Version 1.0 Published June 2020 Copyright©2020 ASRock INC. All rights reserved. Copyright Notice: No part of this documentation may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc. Products and corporate names appearing in this documentation may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe. Disclaimer: Specifications and information contained in this documentation are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may appear in this documentation. With respect to the contents of this documentation, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the documentation or product.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. CALIFORNIA, USA ONLY The Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance controlled in Perchlorate Best Management Practices (BMP) regulations passed by the California Legislature. When you discard the Lithium battery in California, USA, please follow the related regulations in advance. “Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/ perchlorate”
ASRock Website: http://www.asrock.com AUSTRALIA ONLY Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage caused by our goods. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply)
The terms HDMI® and HDMI High-Definition Multimedia Interface, and the HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. CE Warning This device complies with directive 2014/53/EU issued by the Commision of the European Community. This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
Operations in the 5.15-5.35GHz band are restricted to indoor usage only.
Radio transmit power per transceiver type
Function Frequency Maximum Output Power (EIRP) 2400-2483.5 MHz 18.5 + / -1.5 dbm 5150-5250 MHz 21.5 + / -1.5 dbm 18.5 + / -1.5 dbm (no TPC) WiFi 5250-5350 MHz 21.5 + / -1.5 dbm (TPC) 25.5 + / -1.5 dbm (no TPC) 5470-5725 MHz 28.5 + / -1.5 dbm (TPC) Bluetooth 2400-2483.5 MHz 8.5 + / -1.5 dbm Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specifications 2
1.3 Motherboard Layout 7
1.4 I/O Panel 9
1.5 WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas 11
Chapter 2 Installation 13
2.1 Installing the CPU 14
2.2 Installing the CPU Fan and Heatsink 16
2.3 Installing Memory Modules (DIMM) 24
2.4 Expansion Slot (PCI Express Slot) 26
2.5 Jumpers Setup 27
2.6 Onboard Headers and Connectors 28
2.7 M.2_SSD (NGFF) Module Installation Guide (M2_1) 32
Chapter 3 Software and Utilities Operation 35
3.1 Installing Drivers 35
3.2 ASRock Motherboard Utility (A-Tuning) 36
3.2.1 Installing ASRock Motherboard Utility (A-Tuning) 36
3.2.2 Using ASRock Motherboard Utility (A-Tuning) 36
3.3 ASRock Live Update & APP Shop 39
3.3.1 UI Overview 39
3.3.2 Apps 40 3.3.3 BIOS & Drivers 43
3.3.4 Setting 44
3.4 ASRock Polychrome SYNC 45
Chapter 4 UEFI SETUP UTILITY 48
4.1 Introduction 48
4.1.1 UEFI Menu Bar 48
4.1.2 Navigation Keys 49
4.2 Main Screen 50
4.3 OC Tweaker Screen 51
4.4 Advanced Screen 55
4.4.1 CPU Configuration 56
4.4.2 Onboard Devices Configuration 57
4.4.3 Storage Configuration 59
4.4.4 ACPI Configuration 60
4.4.5 Trusted Computing 61
4.4.6 AMD PBS 62
4.4.7 AMD CBS 63
4.5 Tools 64
4.6 Hardware Health Event Monitoring Screen 65
4.7 Security Screen 67
4.8 Boot Screen 68
4.9 Exit Screen 71 1.1 Contents Package setup. BIOS the of guide configuration the contains 4 Chapter utilities. and software the of guide operation the 3contains Chapter guides. installation step-by-step and motherboard the of introduction the 2contains 1and Chapter documentation, this In endurance. and quality to commitment ASRock’s to conforming design robust with performance excellent It delivers control. quality stringent consistently ASRock’s under produced motherboard reliable a motherboard, B550M-ITX/ac ASRock you purchasing for Thank Introduction 1 Chapter • • • • • • 2 x ASRock WiFi 2.4/5 GHz Antennas Antennas GHz 2.4/5 WiFi 2 xASRock ATA (SATA) (Optional) 2 xSerial Cables Data Shield Panel 1 xI/O CD Support B550M-ITX/ac ASRock Guide Installation Quick B550M-ITX/ac ASRock Factor) Form (Mini-ITX Motherboard B550M-ITX/ac ASRock this motherboard, please visit our website for specific information about the model model the about information specific for website our visit please motherboard, this to related support technical require Ifyou notice. further without website ASRock’s on available be will version updated the occur, documentation this of modifications any Incase notice. without change to subject be will documentation this of content the updated, be might software BIOS the and specifications motherboard the Because website as well. ASRock website website ASRock well. as website ASRock’s on list support CPU and cards VGA latest the You find may using. are you http://www.asrock.com (Optional) . B550M-ITX/ac 1
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Gen AMD AM4 Ryzen™ / future AMD Ryzen™ rd (OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory* Max. capacity of system memory: 64GB Supports Extreme Memory Profile (XMP) memory modules 15μ Gold Contact in DIMM Slots AMD B550 Dual Channel Memory DDR4 Technology DIMM2 x DDR4 Slots AMD Ryzen series (Matisse) CPUs support 4600+ DDR4 (OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4333(OC)/ 4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800 (OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/ 2400/2133 ECC & non-ECC, un-buffered memory* AMDRyzen series APUs (Renoir) support 4733+(OC) DDR4 /4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/ 4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000 (OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466 Mini-ITX Form Factor Solid Capacitor design Supports 3 Processors (3000 and 4000 Series Processors)* Digi design Power Phase8 Power design • • • • • • • • • • • • • * Please refer to Memory Support List on ASRock’s website for more information. (http://www.asrock.com/) * Please refer to page UDIMM 23 DDR4 for maximum frequency support. * Not compatible* Not with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G. Chipset Memory CPU Platform 1.2 Specifications 1.2 2
English Audio Graphics Slot Expansion
installed. memory system 32GB requires 16GB memory shared Max * The CPU by vary may support * Actual disks boot as SSD NVMe ** Supports slots x8/x8 extend to cards riser PCIe * Supports (Renoir) APUs series Ryzen AMD (Matisse) CPUs series Ryzen AMD • • • • • • • • • • • • • • • • Supports Surge Protection Protection Surge Supports Codec) Audio ALC887 7.1 (Realtek Audio HD CH PlayReady® Microsoft Supports 1.4 Ports DisplayPort and 2.1 HDMI with playback (UHD) HD Ultra 4K Supports Ports 1.4 DisplayPort and 2.1 HDMI with 2.3 HDCP Supports 2.1 HDMI with Range) Dynamic (High HDR Supports required) is monitor HDMI (Compliant Port 2.1 HDMI Audio) with Rate Bit (High HBR (12bpc), Color xvYCC and Deep Sync, Lip Auto Supports (5120x2880)@120Hz 5K to up resolution max. with 1.4 Input DisplayPort Supports @60Hz (4096x2160) x2K 4K to up resolution max. with 2.1 HDMI Supports controllers display independent by ports 1.4 DisplayPort and HDMI support output: graphics Dual 16GB. to up supports memory Shared Max 2GB. default memory Shared 5.0 Shader Pixel 12, DirectX APU* Series Integrated AMD Radeon AMD Integrated I/O) (on rear the 802.11ac module WiFi- bundled the E) with (Key Socket M.2 1 xVertical x16 x16 3.0 (PCIE1: mode)** Slot Express 1 xPCI x16 x16 (PCIE1: mode)** Slot 4.0 Express 1 xPCI TM Vega Series Graphics in Ryzen Ryzen in Graphics Vega Series B550M-ITX/ac 3
English RAID 1 and RAID NCQ, AHCI 10), and Hot Plug 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 6.0 moduleSATA3 Gb/s and M.2 PCI Express module up to (withGen4x4 (with Matisse) Gb/s) (64 Gb/s) or Gen3x4 (32 Renoir)* LED1 x RGB Header 1 x Addressable LED Header 1 x CPU Fan Connector (4-pin) 2 x Antenna Ports 1 x PS/2 Mouse/Keyboard Port 1 x HDMI Port 1 x DisplayPort 1.4 2.02 x USB Ports (Supports ESD Protection) 3.23 x USB Gen1 Ports Type-A (Supports ESD Protection) 3.21 x USB Gen1 Type-C Port (Supports ESD Protection) 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Line in Speaker / Front / Microphone 6.0 Connectors,4 x SATA3 Gb/s support RAID (RAID 0, PCIE x1 Gigabit LAN Mb/s 10/100/1000 Realtek RTL8111H Supports Wake-On-LAN Supports Lightning/ESD Protection Supports Energy Efficient Ethernet 802.3az Supports PXE Intel® WiFi 802.11ac Module 802.11a/b/g/n/ac IEEE Supports Supports Dual-Band (2.4/5 GHz) Supports high speed wireless connections up to 433Mbps Supports Bluetooth 4.2+ High speed class II • • • • • • • • • • • • • • • • • • • • • • • • • * The Fan CPU Connector supports the CPU fan of maximum fan power. 1A (12W) * Supports NVMe SSD as boot disks * Supports ASRock Kit U.2 * Supports in 36W total LED up to Strip 12V/3A, * Supports in total 15W LED up to Strip 5V/3A, Connector Storage Rear Panel I/O Wireless Wireless LAN LAN 4
English * For detailed product information, please visit our website: our visit please information, product detailed *For tions Certifica OS Monitor Hardware Feature BIOS
- or 4-pin fan is in use. in is fan 4-pin or 3-pin if detect auto can CHA_FAN2/WP and * CHA_FAN1/WP power. (24W) fan 2A maximum of fan cooler water the supports Fan Pump Chassis/Water * The • • • • • • • • • • • • • • • • • • • • ErP/EuP ready (ErP/EuP ready power supply is required) is supply power ready (ErP/EuP ready ErP/EuP CE FCC, 64-bit 10 Windows® Microsoft® Voltage monitoring: +12V,Voltage monitoring: +5V, +3.3V, Vcore CPU Fans Pump CPU, Chassis/Water Control: Multi-Speed Fan Fans Pump CPU, Chassis/Water ture): tempera CPU by speed fan chassis (Auto adjust Fan Quiet Fans Pump CPU, Chassis/Water Tachometer: Fan Fans Pump CPU, Chassis/Water Sensing: Temperature Voltage Multi-adjustment +1.8VSB, VPPM, VDDP DRAM, CPU, VDDCR_SOC, CPU support 2.3 SMBIOS jumperfree Supports events up wake ACPI 5.1 compliance Play” and “Plug Supports support GUI with BIOS Legal UEFI AMI Protection) ESD (Supports ports) Gen1 2USB 3.2 (Supports Header Gen1 1 xUSB 3.2 Protection) ESD (Supports ports) 2USB 2.0 (Supports Header 1 xUSB 2.0 Connector Audio 1 xFront Panel 12V Power1 x8pin Connector Power ATX Connector pin 1 x24 Control) Speed Fan (4-pin) (Smart Connectors Fan Pump 2 xChassis/Water
http://www.asrock.com B550M-ITX/ac - 5
English at your own risk and expense. are not We responsible for possible damage caused by overclocking. Please realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, applying Untied OverclockingTechnology, or using third-party overclocking tools. Overclocking may affect your system’s stability, or even cause damage tothe components and devices of your system. should It be done 6
English 16
1.3 Motherboard Layout 1.3 Motherboard
/Mous HD_AUDIO1 e B: T: US HDMI1
MI IN 15 C
USB3_3 Keyboard T: US B:
USB3_TC_1
Bottom: B 3.
USB USB M PS2 B 3.
2_WIFI1
2 Gen1
1 AT
DP 1
FRON
T 1 2 Gen1
2
USB2
B: X Center:
12V USB1 T:
US 2. B
0 1 SPEAKER1 LIN IN E
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14
RJ-45 LA N 1 BA T1 B550 AM CPU_F PCIE Ro 1 AN1 HS D 1 ADDR_LED
2 1
M4 TA SOCKE 1 1 RGB_LED 3 1 /WP CHA_F M2_1 B550M-ITX/a c 4 AN1
DDR4_A1 (64 bit , 288-pin module ) 5
DDR4_B1 (64 bit , 288-pin module )
PANEL1 CHA_F PLED PWRBT N SATA3_2_4 SATA3_1_3 CLRCMOS 1 1
AN2/WP USB3_4_5
HDLED RESET 1 B550M-ITX/ac
1 AT XPWR1 1
USB_3_4 12 9 11 13 10 8 7 6 7
English Chassis Speaker Header (SPEAKER1) Header Speaker Chassis PanelFront Audio Header (HD_AUDIO1) Connector Power ATX 12V (ATX12V1) SATA3 Connectors (SATA3_2_4) 3.2USB Gen1 Header (USB3_4_5) System Panel Header (PANEL1) 2.0USB Header (USB_3_4) Clear CMOS Jumper (CLRCMOS1) Chassis/Water Pump Fan Connector (CHA_FAN2/WP) RGB LEDRGB Header (RGB_LED1) Chassis/Water Pump Fan Connector (CHA_FAN1/WP) 2 x 288-pin DIMM DDR4 Slots (DDR4_A1, DDR4_B1) ConnectorATX Power (ATXPWR1) ConnectorsSATA3 (SATA3_1_3) Description CPU FanConnector (CPU_FAN1) Addressable LED Header (ADDR_LED1) 8 9 3 4 5 6 7 1 2 14 11 16 10 15 13 12 No. 8
English ** There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications. LED port LAN the for below table the to refer Please port. LAN each on LEDs two are ** There headset.. and speaker USB the Type connecting for optimal are (+5VDUAL).USB_12 The Power DUAL consume ports USB other the (+5VSB) while power auxiliary consume USB_12 the that note * Please 1.4 I/O Panel On Blinking Off Status / LinkActivity LED No. ACT/LINK LED 6 5 4 3 2 1 LAN Port LAN SPEED LED LAN RJ-45 Port** RJ-45 LAN (USB_12)* Ports USB 2.0 Description Microphone (Pink)*** Microphone Ports Antenna (Lime)*** Front Speaker Blue)*** (Light In Line 12 11 Link Activity Data Link No Description 10 No. 12 10 11 9 8 7 9 1 HDMI Port HDMI 1.4 DisplayPort (USB3_1_2) Type-A Port Gen1 USB 3.2 Port Mouse/Keyboard PS/2 (USB3_TC_1) Port Type-C Gen1 USB 3.2 (USB3_3) Type-A Port Gen1 USB 3.2 Description Green Orange Off Status Speed LED 2 1Gbps connection connection 100Mbps connection 10Mbps Description 8 7 4 3 6 B550M-ITX/ac 5 9
English : Function Rear Speaker Out SpeakerFront Out Central /Subwoofer Speaker Out Side Speaker Out Function of the Audio Ports in 7.1-channel Configuration 7.1-channel in Ports Audio the of Function Lime (Rear panel) Pink (Rear panel) Lime panel) (Front Port Light Blue (Rear panel) *** 10
English environment. the to according vary may speed transmission * The forPCs. consumption low power extraordinary ensures and Technology Energy Low includes also 4.2 BT devices. mobile the into functionality of class new awhole adds that technology Ready Smart features standard v4.2 +BT. WiFi Bluetooth support to adapter (WLAN) network area local wireless easy-to-use an is module +BT WiFi v4.2. Bluetooth and standards connectivity ac a/b/g/n/ 802.11 WiFi for support offers that panel) I/O rear onthe (pre-installed module BT + v4.2 a/b/g/n/ac 802.11 WiFi exclusive an with comes motherboard This WiFi-802.11ac Module +BT 1.5 WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas
B550M-ITX/ac
11
English -
that come
*You may need to adjust*You the direction of the antenna for a stronger signal. Step 3 Set the WiFi 2.4/5 GHz Antenna as shown in the illustration. Step 1 Prepare the WiFi 2.4/5 GHzAntennas with the package. Step 2 Connect the two WiFi 2.4/5 GHz Antennas to the antenna connectors. the Turn antenna clock wise until it is securely connected. WiFi Antennas InstallationWiFi Antennas Guide 12
English Chapter 2 Installation 2 Chapter or change any motherboard settings. motherboard any change or components motherboard install you before precautions following the of note Take Precautions Pre-installation it. into fits motherboard the that ensure to chassis your of configuration the study motherboard, the install you Before motherboard. factor form Mini-ITX is a This • • • • • tighten the screws! Doing so may damage the motherboard. the damage may so Doing screws! the tighten over- not do please chassis, the to motherboard the secure to screws placing When components. the with comes that bag the in or pad anti-static onagrounded them place components, any uninstall you Whenever ICs. the touch not do and edges the by components Hold components. the handle you before object grounded asafety touch or strap wrist agrounded use to remember Also onacarpet. directly motherboard your place NEVER components, motherboard’s the to electricity static from damage avoid to order In components. motherboard to damages and you to injuries physical cause may so do to Failure motherboard. the removing or installing before cord power the unplug to sure Make B550M-ITX/ac 13
English Unplug all power cables before installing the CPU. 2 1 2.1 Installing the CPU the Installing 2.1 14
English 3 B550M-ITX/ac 15
English Pleaseturn off the power or remove the power cord before changinga CPU or heatsink. 2 1 Installing the CPU Box Cooler SR1 Cooler Box CPU the Installing between the CPU and the heatsink to improve heat dissipation. Make sure that the CPU and the heatsink are securely fastened andin good contact with each other. 2.2 Installing the CPU Fan and Heatsink and Fan CPU the 2.2 Installing After you install the CPU into this motherboard, it is necessary to install a larger heatsink and cooling fan to dissipate also heat. You need to spray thermal grease 16
English 3 4
C P U _ F A N 1 B550M-ITX/ac 17
English 2 1 Installing the AM4 Box Cooler SR2 Cooler Box AM4 the Installing 18
English 3 B550M-ITX/ac 19
English
1
N
A
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P C 4 *The diagrams shown here arefor reference only. The headers might be in a different position on your motherboard. 20
English your motherboard. motherboard. your on position different ina be might headers The only. reference for are here shown diagrams *The Installing the AM4 Box Cooler SR3 2 1 B550M-ITX/ac 21
English 3 4 22
English 5 6 on your motherboard. motherboard. onyour position different ina be might headers The only. reference for are here shown diagrams *The +12V
RG B _ L E D 2
C P U _ F A N 1 B550M-ITX/ac
C P U _ FA N 1 23
English 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 3200 (Mhz) (Mhz) Frequency Frequency Frequency Frequency - - - - SR SR B1 SR SR B1 DR DR DR DR slot; otherwise, this motherboard and DIMM may be damaged. brand, speed, size and chip-type) DIMM DDR4 pairs. installed.module For dual channel configuration, you always need to install identical(the same isIt unable to activate Dual Channel Memory Technology with only one memory isIt not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
1. 2. 3. - - - - SR SR A1 UDIMM Memory Slot SR SR A1 UDIMM Memory Slot DR DR DR DR Ryzen Series APUs (Renoir): (Renoir): Ryzen APUs Series AMD non-XMP MemoryAMD non-XMP Support Frequency Ryzen Series (Matisse): CPUs and supports Dual Channel Memory Technology. 2.3 Installing Memory Modules (DIMM) Memory Modules 2.3 Installing This motherboardprovides two 288-pin (DoubleDDR4 Data DIMM4) Rate slots, 24
English 1 2 3 orientation. incorrect at slot the into DIMM the force you if DIMM the and motherboard the to damage permanent cause will It orientation. correct one in fits only DIMM The B550M-ITX/ac 25
English
PCIE1 Gen3x16 Gen4x16 Before installing an expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start installation.the For a better thermal environment, please connect a chassis fan to the motherboard’s chassis fan connector (CHA_FAN1/WP or CHA_FAN2/WP) when using multiple graphics cards. Ryzen Series APUs (Renoir) Ryzen Series CPUs (Matisse) PCIE1 (PCIe is 4.0 slot) used x16 for PCI Express lane x16 width graphics cards. Configurations Slot PCIe PCIe slots: 2.4 Expansion Slot (PCI Express Slot) There is 1 PCI Express slot on the motherboard. 26
English “Open”. “Open”. is jumper the pins, onthe placed is cap jumper no If “Short”. is jumper the pins, the on placed is cap jumper the When setup. are how jumpers shows illustration The Setup Jumpers 2.5 before you do the clear-CMOS action. clear-CMOS the do you before shutdown it then and first, system the up boot must you BIOS, the updating finish you just when CMOS the clear to need you If CMOS. the clearing after cap jumper the remove to remember Please for 3seconds. onCLRCMOS1 pins the short to cap ajumper use then cord, power the unplug and computer the off turn please setup, default to parameters system the reset To and clear parameters. setup system and time, date, password, system as such information setup system includes CMOS in data The CMOS. in data the clear to you allows CLRCMOS1 (see p.7, No. 12) (CLRCMOS1) Jumper CMOS Clear 2-pin Jumper Open: Default CMOS Clear Short:
B550M-ITX/ac 27
English Please connect the chassis speaker to this header. the positive and negative pins before connecting the cables. Connect the power button, reset button and system status indicator on the chassis to this header according to the pin assignments Note below. # D D ESET HDLED+ GN HDLED- GN R 1 1
V +5 - # + D DUMMY DUMMY
GN
SPEAKER PLED PLED
PWRBTN The front panel design may differ by chassis. A front panel module mainly consists of power button, reset button, power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly. Connect to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is reading or writing data. PLED (System Power LED): Connect to the power status indicator on the chassis front panel. The LED is on when the system is operating. The LED keeps blinking when the system S1/S3is in sleep state. The LED is off when the system is in S4 sleep state or powered(S5). off HDLED (Hard Drive Activity LED): PWRBTN (Power Button): Connect to the power button on the chassis front panel. may configure You the way to turn off your system using the power button. RESET (Reset Button): Connect to the reset button on the chassis front panel. Press the reset button to restart the computer if the computer freezes and fails to perform a normal restart. these headers and connectors. Placing jumper caps over the headers and connectors motherboard. causewill the permanent to damage Onboard headers and connectors are NOT jumpers. Do NOTplace jumper caps over No. 14) No. No. 10) No. p.7, p.7, Chassis Speaker Header Speaker Chassis (4-pin SPEAKER1) (see (see (see System Panel Header System (9-pin PANEL1) 2.6 Onboard Headers and Connectors and Headers Onboard 2.6 28
English (see p.7, No. 15) HD_AUDIO1) (9-pin Header Audio Front Panel (see p.7, No. 9) (19-pin USB3_4_5) Header Gen1 USB 3.2 (see p.7, No. 11) USB_3_4) (9-pin Headers USB 2.0 p.7,see No. 8) (SATA3_2_4: p.7,see No. 7) (SATA3_1_3: ATA3 Connectors Serial 2. 1.
If you use an AC’97 audio panel, please install it to the front panel audio header by by header audio panel front the to it install please panel, audio AC’97 an use If you chassis the on wire panel the but Sensing, Jack supports Audio Definition High connect them for the AC’97 audio panel. audio AC’97 the for them connect to You need only. don’t panel audio HD the for are OUT_RET and MIC_RET D. (GND). (GND) Ground to Ground Connect C. OUT2_L. to (LIN) Audio_L and OUT2_R to (RIN) Audio_R Connect B. MIC2_L. to (MIC) Mic_IN Connect A. the steps below: system. your install to manual chassis and manual our in instructions the follow Please correctly. function to HDA support must and adjust “Recordingand adjust Volume”. panel Control Realtek Tab the in “FrontMic” the to go mic, front the ToE. activate MIC2_DETECT
OUT_DETECT IntA_PB_SSRX+ IntA_PB_SSTX+ IntA_PB_SSRX- AGND_A IntA_PB_SSTX- USB_PW IntA_PB_D+ DUMMY IntA_PB_D- N/A GN Dummy V P- P+ GN GN SATA3_4 SATA3_3 bus DG R D D 1 1 1 IntA_P IntA_P IntA_P IntA_P IntA_P GN GN IntA_P V P+ P- U bus
ND D D SB_PW
MIC2-L MIC2-R OUT OUT AGND_A A_SSTX- A_SSRX- A_SSTX+ A_SSRX+ A_D- A_D+ SATA3_2 SATA3_1 R L
R to the front audio panel. panel. audio front the to devices audio connecting is for header This ports. two support can header Gen1 USB 3.2 This motherboard. this on header is one There ports. two support can header USB 2.0 This motherboard. this on header is one There rate. transfer Gb/s data 6.0 to up with devices storage for internal cables data SATA support connectors SATA3 four These
B550M-ITX/ac 29
English
- -
chassis
card. Do not plug the PCIe power cable to this connector. 13. This motherboard provides a 8-pin ATX 12V power use connector. a To 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. *Warning: Please make sure that the power cable connected is the for CPU and not the graphics This motherboardpro vides a 4-Pin CPU fan (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3. This motherboardpro vides a 24-pin ATX power useconnector. a 20-pin To pleaseATX power supply, plug it along Pin 1 and Pin This motherboard provides two 4-Pin water cooling chassis fan connector. If you plan to connect a 3-Pin water cooler fan, please connect it to Pin 1-3. L D GN 13 24 N_SPEED A GND 4 3 2 1 D OL FAN_VOLTAGE AN_SPEED_CONTROL GN FAN_VOLTAGE CHA_FAN_SPEED F
CPU_F N_SPEED_CONTRO FAN_VOLTAGE 1 14 58 12 FA 4 3 2 1 CHA_FAN_SPEED 1 2 3 4 AN_SPEED_CONTR F
. 4) . 13) No. 1) No. No No p.7, p.7, p.7, ATX 12V Power Power ATX 12V Connector (8-pin ATX12V1) 16) No. p.7, (see (see p.7, No. 6) No. p.7, (see ATX Power ConnectorATX Power (24-pin ATXPWR1) CPU Fan Connector (4-pin CPU_FAN1) (see (see (see CHA_FAN2/WP) (4-pin (see Chassis Pump Water Fan Connectors CHA_FAN1/WP) (4-pin 30
English (see p.7, No. 2) ADDR_LED (3-pin Header LED Addressable (see p.7, No. 3) RGB_LED1) (4-pin Header RGB LED 1 ) 1 12V 1 VOUT GR DO_ADDR B GN D header. onthis instructions further for 46 page to refer * Please damaged. be may cable the otherwise, orientation; wrong the in cable LED Addressable Caution: effects. lighting LED various from choose to users allows which Addressable connect to used is header This header. onthis instructions further for 45 page to refer * Please damaged. be may cable the otherwise, tion; orienta wrong the in cable LED RGB the install Never Caution: effects. lighting LED ous vari from choose to users allows which cable extension RGB LED connect to used is RGB header
Never install the the install Never LED extension cable cable extension LED B550M-ITX/ac
- - 31
English M.2 PCI Step 2 Depending on the PCB type and length of your M.2_SSD (NGFF) module, find the correspondingnut location to be used. Step 1 PrepareM.2_SSDa (NGFF) module and the screw. M.2 6.0 module SATA3 Gb/s and 1 A 8cm Type 2280 No. Nut LocationNut PCB Length Module Type Socket (M2_1) supports M Key type 2280 Express module up to (with Gen4x4 (with Matisse) Gb/s) (64 Renoir). Gb/s) or Gen3x4 (32 M.2_SSD the Installing Module (NGFF) 2.7 M.2_SSD (NGFF) Module Installation Guide (M2_1) Guide Installation Module M.2_SSD2.7 (NGFF) The M.2, also known as theNext GenerationForm Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and TheHyper mSATA. M.2 32
English NUT A 2 A
1 NUT 1 2 20 o
1 orientation. in one fits only module SSD (NGFF) M.2 the that aware be Please slot. M.2 the into module SSD (NGFF) M.2 the insert gently and Align 4 Step module. SSD aM.2 install you before heatsink M.2 the of side bottom on the films protective the remove *Please heatsink. M.2 the remove to screws the loosen please module, SSD (NGFF) aM.2 installing Before 3 Step as this might damage the module. the damage might this as screw the overtighten not do Please place. into module the secure to ascrewdriver with screw the Tighten 5 Step
B550M-ITX/ac 33
English WDS240G1G0B-00RC30 XP941-512G (MZHPU512HCGL) SD6PP4M-128G SD6PP4M-256G TM4PS4128GMC105 TM4PS4256GMC105 TM8PS4128GMC105 TM8PS4256GMC105 TS256GMTS400 TS512GMTS600 TS512GMTS800 VLM100-120G-2280B-RD VLM100-240G-2280RGB VSM100-240G-2280 VLM100-240G-2280B-RD WDS100T1B0B-00AS40 P/N AXNS330E-32GM-B AXNS381E-128GM-B AXNS381E-256GM-B ASU800NS38-256GT-C ASU800NS38-512GT-C CT120M500SSD4 CT240M500SSD4 SSDSCKGW080A401/80G Intel SM2280S3 PX-G256M6e PX-G512M6e SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 PCIe PCIe PCIe x4 PCIe PCIe SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 SATA3 Interface SATA3 http://www.asrock.com V-Color V-Color V-Color WD WD Team Team Team Transcend Transcend Transcend V-Color Kingston Plextor Plextor Samsung SanDisk SanDisk Team ADATA ADATA ADATA ADATA Crucial Crucial Intel Vendor ADATA For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: M.2_SSD Module Support (NGFF) List 34
English Click on a specific item then follow the installation wizard to install it. install to wizard installation the follow then item onaspecific Click supports. motherboard the that software application the shows Menu Utilities The Menu Utilities properly. work can install you drivers the Therefore, drivers. required those install to bottom click Please page. driver CD support the on listed and be auto-detected will system your to compatible drivers The Drivers Menu menu. the display to CD Support the in “ASRSETUP.EXE” file onthe click double and locate automatically, appear not does Menu Main the If computer. your in “AUTORUN” if Menu enabled is Main the displays automatically CD The drive. CD-ROM your into CD the CD, insert support the using To begin CD Support The Running features. motherboard’s the enhance that utilities useful and drivers necessary contains motherboard the with comes that CD Support The 3.1 Installing Drivers Operation Utilities and Software 3 Chapter Install All or follow the order from top to to top from order the follow or B550M-ITX/ac 35
English - ASRock Mother
ASRock Motherboard Utility “ icon, can be downloaded from ASRock Live “ on your desktop. Double-click the main menu will pop up. ASRock Motherboard Utility (A-Tuning) Operation Mode, System OC Tweaker, Tuning Info, and Settings. FAN-Tastic ModeOperation Choose an operation mode for your computer. There are five sections in ASRock Motherboard Utility (A-Tuning) main menu: board Utility (A-Tuning) “ (A-Tuning) (A-Tuning) Utility Motherboard ASRock 3.2.2 Using 3.2.1 Installing ASRock Motherboard Utility (A-Tuning) Utility Motherboard ASRock Installing 3.2.1 ASRock Motherboard Utility (A-Tuning) Update & APP After Shop. the installation, you will find the icon “ 3.2 ASRock Motherboard Utility (A-Tuning) Utility Motherboard 3.2 ASRock ASRock Motherboard Utility isASRock’s (A-Tuning) multi purpose software suite with a new interface, more newfeatures and improved utilities. 36
English *The System Browser tab may not appear for certain models. certain for appear not may tab Browser System *The system. the about information View System Info system. the overclocking for Configurations Tweaker OC
B550M-ITX/ac 37
English Configure ASRock ASRockMotherboard Utility Click "Auto (A-Tuning). to select run at Windows Startup" if you want ASRock Motherboard Utility to (A-Tuning) be launched when you start up the Windows operating system. Settings FAN-Tastic Tuning FAN-Tastic Configure up to five different fan speeds using the graph. The fans will automatically shift to the next speed level when the assigned temperature is met. 38
English 3.3.1 Overview UI Shop. &APP Update Live ASRock the from apps download to Internet the to connected be to *You need utility. Double-click clicks. afew with simply date to up motherboard your keep and system your optimize can you Shop, &APP Update Live ASRock With utilities. support and apps various install easily and computer. quickly can ASRock You your for applications software downloading and purchasing for store an online is APPShop & Update Live ASRock The ASRock3.3 Live Update &APP Shop to visit the website of the selected news and know more. know and news selected the of website the visit to News Hot tasks. job-related perform to users allows and category selected currently Panel Information information. relative the displays below panel information the selected when Panel Category : The hot news section displays the various latest news. Click on the image image the on Click news. latest various the displays section news hot : The : The category panel contains several category tabs or buttons that that or buttons tabs category several contains panel category : The on your desktop to access ASRock Live Update & APP Shop Shop &APP Update Live ASRock access to desktop onyour : The information panel in the center displays data about the the about data displays center the in panel information : The Information Panel Information Category Panel Category Hot News Hot B550M-ITX/ac 39
English
- The red icon displays theprice or "Free" if the app is free of charge. - The green "Installed" icon means the app is installed on your computer. Step 1 Find the app you want to install. Step 2 Click on the app icon to see more details about the selected app. apps are shown on the right. Please scroll up and down to see more apps listed. can checkYou the price of the app and whether you have already intalled it or not. The most recommended app appears on the left side of the screen. The other various Installing an App 3.3.2 Apps When tabthe is selected, "Apps" you will see all the available apps on screen for you to download. 40
English *The trash icon may not appear for certain apps. certain for appear not may icon trash *The icon can trash onthe click simply it, To uninstall corner. right upper the on appears icon "Installed" green the find can you completes, installation When 4 Step icon red onthe click app, the install to want you If 3 Step
.
to start downloading. start to B550M-ITX/ac 41
English
to start upgrading.
Step 2 Click on the yellow icon Step 1 Click on the app icon to see more details. appears below the installed app icon. Upgrading an App can onlyYou upgrade the apps you have already installed. When there is an available new version for your app, you will find the markVersion" of "New 42
English 3.3.3 BIOS3.3.3 &Drivers Click Update to start the update process. update the start to Update Click 3 Step update. to want you items more or one select to Click 2 Step on Click update. before information item the check Please 1 Step soon. all them update Please drivers. or BIOS for the updates critical or recommended of alist see will you selected, is tab &Drivers" "BIOS the When Installing BIOS or Drivers
to see more details. more see to B550M-ITX/ac 43
English on Windows startup. 3.3.4 Setting In the "Setting"page, you can change the language, select the server location, and determine if you want to automatically run the ASRock Live Update & APP Shop 44
English Connect your RGB LED strip to the the to strip RGB LED your Connect Strip LED the Connecting Wave more. Music, and Cycling, Strobe, Breathing, Static, including patterns, and schemes lighting various customize can you strip, LED the connecting by Simply system. lighting colorful stylish own their build to tastes sophisticated with viduals indi unique for designed specifically utility control alighting is SYNC Polychrome ASRock 3.4 ASRock Polychrome SYNC 2. 1.
2. 1. motherboard components. to damages cause may so do to Failure supply. power the from cord power the unplug and system your off power please cable, LED RGB your removing or installing Before damaged. be may cable the otherwise, orientation; wrong the in cable LED RGB the install Never
maximum power rating of 3A (12V) and length within 2meters. within 3A(12V) length of and rating power maximum a with (12V/G/R/B), strip LED RGB 5050 standard supports header LED RGB The package. the with come not do strip LED RGB the that note Please
B550M-ITX/ac RGB LED Header RGB LED 1 12V RGB_LED1 ( GR RGB_LED B 1 1)
1 motherboard. on the 2 V
G
R
B B550M-ITX/ac -
45
English on
1 D GN DO_ADDR VOUT 1 ADDR_LED1 Addressable LED Header (ADDR_LED1)
strip to the B550M-ITX/ac
GND), with a maximum power rating of and 3A (5V) length within 2 meters. Please note that the RGB LED strips do not come with the package. TheRGB LED header supports WS2812B addressableRGB LED strip(5V/Data/ Addressable LED RGB
unplug the power cord from the power supply. Failure to do so may cause damages to components. motherboard 1. 2. Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged. Before installing or removing your RGB LED cable, please power off your system and
1. 2. the motherboard. Connecting Strip RGB Addressable the LED Connect your 46
English the motherboard the of regions LED for all effects RGB LED Sync switch RGB LED the Toggle on/off ASRock PolychromeASRock Utility SYNC PC style your way! your style PC your coloring start and Shop &APP Update Live ASRock the from utility this Download Utility. SYNC Polychrome ASRock the through color RGB LED the adjust Now can you from the drop-down menu. drop-down the from effect light aRGB LED Select preference. your customize to tab the Drag B550M-ITX/ac 47
English after SETUP UTILITY SETUP to configure your by pressing right SETUP UTILITY SETUP ETUP UTILITY ETUP For advanced system configurations Useful tools Displays current hardware status securityFor settings For configuring boot settings and bootpriority Exit the current screen or the UEFI Setup Utility For setting system time/date information For overclocking configurations Because theUEFI software is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen. Boot Exit H/W Monitor Security OC Tweaker Advanced Tool Main This section explains how to use the UEFI system. may run You the UEFI S after you power on the otherwise,computer, (POST) Power-On-Self-Test the will continue with its test routines. If you wish to enter the UEFI 4.1 Introduction4.1 4.1.1 UEFI Menu Bar Menu UEFI 4.1.1 The top of the screen has a menu bar with thefollowing selections: and then back on. POST, restartPOST, the system by pressing
English Please check the following table for the descriptions of each navigation key. navigation each of descriptions forthe table following the check Please item. required your click to mouse the use You also can screen. sub the into get to
English , the Main screen will appear and SETUP UTILITY SETUP 4.2 Main Screen Whenyou enter the UEFI display the system overview. 50
English Use item this to adjust Frequency. CCX1 CCX1 Frequency (MHz) Use item this to adjust Frequency. CCX0 CCX0 Frequency (MHz) CCD0 active. remain sleep) (e.g. cc6 cores for idle features Power saving frequency. core CPU custom a with combined be (mV), voltage core CPU Should custom a Specifies CPU Voltage CPU Core (Per CCX) capability. CPU's onthe depending is result Final selection. onuser based set be will voltage and multiplier the [Manual], to set is item this If CPU Frequency and Voltage(VID) Change features. overclocking up set can you screen, Tweaker OC the In OCTweaker4.3 Screen match what you see on your screen. your on see you what match exactly not may they and only, purpose reference for are descriptions and screens setup UEFI following the updated, being constantly is software UEFI the Because B550M-ITX/ac 51
English the appropriate frequency automatically. Setting DRAM Frequency can adjust DRAM DRAM adjust can Frequency Setting DRAM frequency automatically. the appropriate Timing. 2.50V Voltage Voltage. 2.50V the for voltage the Configure Load XMP Setting XMP Load specifications. standard beyond perform the memory and Load overclock to settings XMP DRAM Frequency will selected, detect is the the memory motherboard assign inserted module(s) and [Auto] If CLD0 VDDGCLD0 Control IOD Voltage the Infinity of portion the data for voltage represents VDDG Setup IOD AMD Overclocking (VDD_SOC). VDDG approach can Voltage the CPU SoC/Uncore from derived is It Fabric. exceed VDD_SOC. not but DRAM Information approach but not exceed your DRAM Voltage. DRAM exceed your not but approach Control Voltage VDDGCLD0 CCD the Infinity of portion the data for voltage VDDG Setup CCD represents AMD Overclocking (VDD_SOC). VDDG approach can Voltage the CPU SoC/Uncore from derived is It Fabric. exceed VDD_SOC. not but overclocking. VDD_SOC also determines the GPU voltage on processors with integrated integrated with processors on VDD_SOC also the GPU voltage determines overclocking. this voltage. force to be needs to enabled OC Mode” “SoC/Uncore graphics. Control VDDPCLD0 Voltage is it and (PHY), signaling bus the DDR4 for a voltage is VDDP Setup AMD Overclocking in mV can voltage VDDP a result, As (VDDIO_Mem). Voltage DRAM your from derived Use this item to adjust CCX0 Frequency. adjust to this item Use (MHz) Frequency CCX1 CCX1 Frequency. adjust to this item Use SoC/Uncore OC Voltage(VID) Fabric Infinity memory and (VDD_SOC) support in mV to voltage Specify the SoC/Uncore CCD1 (MHz) Frequency CCX0 52
English Chipset 1.05VChipset Voltage the for +1.8V voltage the Configure +1.8 Voltage Configurethe voltage forthe VDDP. VDDP Configurethe voltage forthe VPPM. VPPM systemthe is under heavy loading.U Calibration Load-Line helpsCPU VDDCR_SOC prevent voltage VDDCR_SOC droop when Calibration Load-Line VDDCR_SOC level. supply VDDCR_SOC VID-requested the for voltage the Configure refulator. voltage external the by processor forthe voltage Input CPU Vcore Voltage Calibration Voltage andLoad-line Settings External Configuration Timing DRAM MCLK can negate or overcome penalty. this are penalties Latency ifFCLKand incurred MCLK are mismatched, but sufficiently high Manual: FCLKmust less than be or to equal MCLK for performance best inmost cases. AMD Overclocking Infinity Setup Set Fabricfrequency (FCLK). Auto: FCLK= MCLK. Infinity Fabric andDividers Frequency VDDCR_SOC Voltage VDDCR_SOC heavy loading. CalibrationCPU Load-Line helps prevent CPUvoltage droop system the when is under CPU Calibration Load-Line Type a profile name and press enter to save your settings as user default. user as settings your save to enter and press name Type aprofile Save User Default voltage. 1.05V chipset the for voltage the Configure the DRAM for voltage the Configure VoltageDRAM . . B550M-ITX/ac 53
English Save User UEFI Setup Profile to Disk Setup Profile UEFI User Save Load previously saved user defaults. Save current UEFI settings as an user default profile to disk. to Disk Setup Profile UEFI Load User Load previously saved user defaults from the disk. Load User Default 54
English resolution will be set to 1024 x768 directly. to set be will resolution the selected, is [Disable] When 1024 x768. to set be will resolution the then resolution, HD Full support not does monitor the If resolution. HD Full supports monitor the if x1080 1920 to set be will resolution the [Auto] selected, When is Full UEFI HD utility. setup UEFI the entering when page default the Select PageActive Entry on UEFI Configuration T Configuration, ACPI Configuration, Storage Configuration, Devices Onboard Configuration, CPU items: following the for configurations the set may you section, this In Screen Advanced 4.4 Setting wrong values in this section may cause the system to malfunction. to system the cause may section this in values wrong Setting rusted Computing , Computing rusted AMD PBS and AMD CBS. AMD and PBS AMD
B550M-ITX/ac 55
English
etric multithreading. To re-enable SMT, a SMT, re-enable To etric multithreading. Use this to enable or disable AMD CPU fTPM. disable or enable this to Use SMT Mode This item can be used to disable symm needed cycle is selecting [Auto]. after power disabled. is SMT where systems on supported not S3 is Warning: AMD fTPM Switch Use this to enable or disable NX mode. disable or enable this to Use SVM Mode the utilize Architecture)can Machine a VMM (Virtual set this [Enabled], is to When is [Enabled]. value default The AMD-V. by provided capabilities hardware additional [Disabled]. and [Enabled] options: Coniguration PSS Support PSS _PCT objects. and _PSS, ACPI_PPC, of the generation disable or enable this to Use NX Mode 4.4.1 CPU Configuration CPU 4.4.1 56
English to boot up when the power recovers. power the when up boot to start will system the If On]selected, [Power is recovers. power the when off remain will power the selected, is If Off] [Power failure. power a after state power the Select AC/Power on Restore Loss audio. HD panel front Enable/disable Panel Front installed. is card asound when it disable automatically and audio HD onboard enable to Auto to Set audio. HD onboard Enable/disable Audio Hd Gnb buffer. frame UMA the of size the set to you allows item This UMA Frame Size buffer devices. PCIe SR-IOVhas capable system the if Support) IO Virtualization SR-IOV Root the (Single Enable/disable Support SR-IOV the state. S5 ACPI in LED the Turn on/off Turn LED in Onboard S5 On 4.4.2 Onboard Devices Configuration (Only for processor with integrated graphics) B550M-ITX/ac 57
English BT On/Off Enable/disable the bluetooth. PS2 Y-Cable Enable the PS2 or set Y-Cable this option to Auto. WAN Radio WAN Configure the WiFi module's connectivity. 58
English Enable/disable the SATA the function. HotPlug Enable/disable SATA Plug Hot unit. alogical into drives disk multiple Combine RAID: performance. improve that features new Supports AHCI: Mode SATA Storage4.4.3 Configuration B550M-ITX/ac 59
English PCIE Devices Power On Power Devices PCIE Allow the system to be waked up by a PCIE device and enable wake on LAN. On AlarmRTC Power Allow the system to be waked up by the real time clock alarm. Set it to By OS to let it be handled by your operating system. Configure deep sleep modefor power saving when the computer is We down.shut recommend disabling Deep Sleep for better system compatibility and stability. Support KeyboardPS/2 Wakeup S4/S5 Allow the system to be waked up by a PS/2 Keyboard in S4/S5. Suspend to RAM to Suspend isIt recommended to select S3 power auto saving.for ACPI Deep Sleep 4.4.4 ACPI Configuration ACPI 4.4.4 60
English 4.4.5 Trusted Computing 4.4.5 Enable or disable BIOS support for security device. for security support BIOS disable or Enable Device Support Security B550M-ITX/ac 61
English The AMDPBS menu accesses AMD specific features. 4.4.6 AMD PBS 62
English The AMD CBS menu accesses AMD specific features. specific AMD accesses menu CBS AMD The CBS AMD 4.4.7 B550M-ITX/ac 63
English
cannot be recovered. Instant Flash Save UEFI files in yourUSB storage device and run Instant Flash to update your UEFI. SSD Secure Erase Tool Secure Erase SSD All the SSD's listed that supportsSecure Erase function. NVME Sanitization Tool After you Sanitize SSD, all user data will be permanently destroyed on the SSD and Easy RAID Installer Easy RAID Installer helps you to copy the RAID driver from the support CD to your storage USB device. After copying the drivers please change mode to the SATA RAID, then you can start installing the operating system in RAID mode. 4.5 Tools 64
English 4.6 Hardware Health Event Monitoring Screen Event Monitoring Health Hardware 4.6 FAN Configuration 1. Fan forCPU source temperature afan Select CPU FAN1 Temp Source temperature. foreach speed fan arespective assign and temperatures 5CPU set to Customize 1, choose or Fan for CPU mode afan Select CPU FAN1 Setting voltage. and speed fan temperature, motherboard temperature, CPU the of parameters the including system, your on hardware the of status the monitor to you allows section This Select a fan temperature source for source temperature afan Select FanChassis Temp 1 Source temperature. foreach speed fan arespective assign and temperatures 5CPU set to Customize 1, choose or Fan for Chassis mode afan Select FanChassis Setting 1 DC or mode PWM Select Fan Mode Chassis Control 1 mode for Chassis Fan 1. Fan for Chassis mode Chassis Fan 1 Fan Chassis . B550M-ITX/ac 65
English r Pump mode. mode Chassis for Fan 2. respective fan speed for each temperature. FanTuning Detect the lowest fan speed in the system. may Iy take 3-5 minutes to complete. Chassis Fan 2 Temp Source 2 Temp Chassis Fan Select a fan temperature source for Chassis Fan 2. Fan-Tastic Select a fan mode Fan, for or choose Customize to set 5 CPU temperatures and assign a Chassis Fan 2 ControlChassis Mode Fan Select PWM mode or DC 2 SettingChassis Fan Select a fan mode for Chassis Fan 2, or choose Customize to set CPU 5 temperatures and assign a respective fan speed for each temperature. CHA_FAN2/WP Switch Select CHA_FAN2 or Wate 66
English Enable to support Secure Boot. Secure support to Enable Boot Secure password. the remove to enter press and blank it Leave Utility. Setup UEFI the in settings the change to unable are Users account. user forthe password the change or Set Password User password. the remove to enter press and blank it Leave Utility. Setup UEFI the in settings the change to authority has administrator the Only account. administrator forthe password the change or Set Password Supervisor password. user the clear You also may system. forthe password supervisor/user the change or set may you section this In Screen Security 4.7 B550M-ITX/ac 67
English from an storage USB device. Setup Timeout Prompt Configure numberthe of seconds to waitfor the setup hot key. Boot Fast Fast Boot minimizes your computer's boot time. In fast mode you may not boot Boot Onboard From LAN Allow the system to be waked up by the onboard LAN. 4.8 Boot Screen This section displays the available devices on your systemfor you to configure the boot settings and the boot priority. 68
English Enable to display the boot logo or disable to show normal POST messages. POST normal show to disable or logo boot the display to Enable Logo Full Screen up. boots system the when off onor turned be should Lock Num whether Select Num-Lock Bootup ROM. option UEFI and legacy both execute not to launch not Do ROM only. Select option legacy support that those run to only Legacy ROM only. Select option UEFI support that those run to only UEFI Select Storage Policy Launch OpROM ROM. option UEFI and legacy both execute not to launch not Do ROM only. Select option legacy support that those run to only Legacy ROM only. Select option UEFI support that those run to only UEFI Select PXELaunch Policy OpROM test. aWHCK you’re running unless disable not do Please Module. Support Compatibility the launch to Enable CSM Module)CSM (Compatibility Support B550M-ITX/ac 69
English AddOn ROM Display Enable AddOn Display ROM to see the AddOn messages ROM or configure theAddOn ifROM enabled you've Full Screen Logo. Disable for faster boot speed. 70
English 4.9 Exit Screen 4.9 Exit When you select this option the following message, “Discard changes?” will pop pop will changes?” “Discard message, following the option this select you When Changes Discard any changes. U SETUP UEFI the [OK] exit to Select out. pop will setup?” exit and changes “Discard message, following the option this select you When Exit and Changes Discard U SETUP UEFI the exit and [OK] changes save to Select out. pop will setup?” exit and changes configuration “Save message, following the option this select you When Save Changes andExit for this operation. for this used be can key F9 The questions. setup the forall values Default BIOS UEFI Load UEFILoad Defaults BIOS changes. all [OK] discard to Select out. TILITY . TILITY without saving saving without B550M-ITX/ac 71
English Contact Information
If you need to contact ASRock or want to know more about ASRock, you’re welcome to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer for further information. For technical questions, please submit a support request form at http://www.asrock.com/support/tsd.asp
ASRock Incorporation 2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District,
Taipei City 112, Taiwan (R.O.C.)
ASRock EUROPE B.V. Bijsterhuizen 11-11
6546 AR Nijmegen
The Netherlands
Phone: +31-24-345-44-33
Fax: +31-24-345-44-38
ASRock America, Inc. 13848 Magnolia Ave, Chino, CA91710
U.S.A.
Phone: +1-909-590-8308
Fax: +1-909-590-1026
DECLARATION OF CONFORMITY Per FCC Part 2 Section 2.1077(a)
Responsible Party Name: ASRock Incorporation
Address: 13848 Magnolia Ave, Chino, CA91710
Phone/FaxNo: +1-909-590-8308/+1-909-590-1026 hereby declares that the product
Product Name : Motherboard
Model Number : B550M-ITX/ac
Conforms to the following speci cations:
FCC Part 15, Subpart B, Unintentional Radiators
Supplementary Information:
is device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) is device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Representative Person’s Name: James
Signature :
Date : May 12, 2017
EU Declaration of Conformity
For the following equipment: Motherboard (Product Name) B550M-ITX/ac / ASRock (Model Designation / Trade Name) ASRock Incorporation (Manufacturer Name) 2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District, Taipei City 112, Taiwan (R.O.C.) (Manufacturer Address)
(EMC —Directive 2014/30/EU (from April 20th, 2016 ڛ EN 55024:2010/A1:2015 ڛ EN 55022:2010/AC:2011 Class B ☐ EN 61000-3-3:2013 ڛ EN 55032:2012+AC:2013 Class B ڛ EN 61000-3-2:2014 ڛ
RED—Directive 2014/53/EU ڛ EN 301 489-17 V3.1.1 ڛ EN 300 328 V2.1.1 ☐ ☐ EN 301 893 V2.1.1 ☐ EN 301 489-3 V2.1.1 ☐ EN 300 220 V3.1.1 ☐ LVD —Directive 2014/35/EU (from April 20th, 2016) ☐ EN 60950-1 : 2011+ A2: 2013 ☐ EN 60950-1 : 2006/A12: 2011
RoHS — Directive 2011/65/EU ڛ CE marking ڛ
(EU conformity marking)
ASRock EUROPE B.V. (Company Name) Bijsterhuizen 1111 6546 AR Nijmegen The Netherlands (Company Address) Person responsible for making this declaration:
(Name, Surname) A.V.P (Position / Title) June 26, 2020 (Date) P/N: 15G062238000AK V1.0