Intel® Server Board SE7320EP2 / Intel® Server Board SE7525RP2
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Intel® Server Board SE7320EP2 / Intel® Server Board SE7525RP2 Technical Product Specification Intel order number D24635-001 Revision 1.0 April 29, 2005 Enterprise Platforms and Services Division - Marketing Revision History Intel® Server Board SE7320EP2 / Intel® Server Board SE7525RP2 Revision History Date Revision Number Modifications 2/01/2005 0.5 Initial release Added BIOS section information, updated HW information to include 4/29/2005 0.95 latest product developments. Disclaimers Information in this document is provided in connection with Intel® products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice. Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. The Intel® Server Board SE7320EP2 / Intel® Server Board SE7525RP2 may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request. Intel, Pentium, Itanium, and Xeon are trademarks or registered trademarks of Intel Corporation. *Other brands and names may be claimed as the property of others. Copyright © Intel Corporation 2005. All rights reserved. ii Revision 1.0 Intel order number D24635-001 Intel® Server Board SE7320EP2 / Intel® Server Board SE7525RP2 Table of Contents Table of Contents 1. Introduction ........................................................................................................................ 11 1.1 Server Board Use Disclaimer ................................................................................ 11 2. Intel® Server Board SE7320EP2 / SE7525RP2 Overview ............................................... 12 2.1 Intel® Server Boards SE7320EP2 and SE7525RP2 Feature Set ......................... 12 3. Functional Architecture ..................................................................................................... 14 3.1 Processor and Memory Subsystem....................................................................... 14 3.1.1 Processor Support ................................................................................................. 14 3.1.2 Memory Subsystem ............................................................................................... 17 3.2 Intel® E7320 / E7525 Chipset ............................................................................... 20 3.2.1 MCH Memory Architecture Overview..................................................................... 21 3.2.2 Memory Controller Hub (MCH) .............................................................................. 22 3.2.3 6300ESB ICH ........................................................................................................ 22 3.3 Super I/O ............................................................................................................... 25 3.3.1 GPIOs .................................................................................................................... 26 3.3.2 Serial Ports ............................................................................................................ 27 3.4 BIOS Flash ............................................................................................................ 27 3.5 SM Bus Block Diagram.......................................................................................... 28 4. Clock Generation and Distribution ................................................................................... 29 5. PCI I/O Subsystem ............................................................................................................. 31 5.1 PCI Subsystem ...................................................................................................... 31 5.1.1 P32-A: 32-bit/33-MHz PCI Subsystem................................................................... 31 5.1.2 P64-B 66-MHz PCI-X Subsystem.......................................................................... 32 5.1.3 PCI Express x8 ...................................................................................................... 33 5.1.4 PCI Express x16 (E7525 MCH support only)......................................................... 33 5.2 Video Controller ..................................................................................................... 34 5.2.1 Video Modes.......................................................................................................... 34 5.2.2 Video Memory Interface......................................................................................... 35 5.2.3 Host Bus Interface ................................................................................................. 35 5.3 Network Interface Controller (NIC) ........................................................................ 36 5.3.1 NIC Connector and Status LEDs ........................................................................... 36 5.4 Interrupt Routing .................................................................................................... 36 5.4.1 Legacy Interrupt Routing ....................................................................................... 36 Revision 1.0 iii Intel order number D24635-001 Table of Contents Intel® Server Board SE7320EP2 / Intel® Server Board SE7525RP2 5.4.2 APIC Interrupt Routing........................................................................................... 37 5.4.3 Serialized IRQ Support .......................................................................................... 38 5.5 PCI Error Handling................................................................................................. 40 6. BIOS..................................................................................................................................... 41 6.1 BIOS Architecture .................................................................................................. 41 6.1.1 BIOS Identification String....................................................................................... 41 6.2 System Initialization ............................................................................................... 42 6.2.1 Processors............................................................................................................. 42 6.2.2 Memory Subsystem ............................................................................................... 45 6.2.3 PCI......................................................................................................................... 51 6.2.4 PCI Express........................................................................................................... 52 6.2.5 Keyboard/Mouse.................................................................................................... 53 6.2.6 Universal Serial Bus (USB).................................................................................... 53 6.2.7 IDE......................................................................................................................... 53 6.2.8 Removable Media Drives....................................................................................... 53 6.2.9 Flash ROM............................................................................................................. 54 6.3 BIOS POST ........................................................................................................... 54 6.3.1 User Interface ........................................................................................................ 54 6.3.2 System Diagnostic Screen..................................................................................... 55 6.3.3 Quiet Boot / OEM Splash Screen .......................................................................... 55 6.3.4 BIOS Boot Popup Menu ........................................................................................ 56 6.4 BIOS Setup Utility .................................................................................................. 56 6.4.1 Localization............................................................................................................ 56 6.4.2 Console Redirection .............................................................................................. 57 6.4.3 Configuration Reset ............................................................................................... 57 6.4.4 Keyboard Commands ............................................................................................ 57 6.4.5 Entering BIOS Setup ............................................................................................. 58 6.5 Security.................................................................................................................