Athena II User Manual High Integration SBC with Ethernet and Data Acquisition Rev 1.09: April 2011 Revision Date Comment 1.01-1.08 9/20/10 Minor edits 1.09 5/6/11 Minor edits Copyright 2011 FOR TECHNICAL SUPPORT Diamond Systems Corporation PLEASE CONTACT: 555 Ellis Street Mountain View, CA 94043 USA [email protected] Tel 1-650-810-2500 Fax 1-650-810-2525 www.diamondsystems.com TABLE OF CONTENTS 1. IMPORTANT SAFE HANDLING INFORMATION .............................................................................................................. 6 2. INTRODUCTION ............................................................................................................................................................ 8 3. FUNCTIONAL OVERVIEW ............................................................................................................................................ 10 3.1 FUNCTIONAL BLOCK DIAGRAM .......................................................................................................................................... 10 3.2 FUNCTIONAL OVERVIEW ................................................................................................................................................... 11 3.2.1 Processor ............................................................................................................................................................ 11 3.2.2 Southbridge ........................................................................................................................................................ 11 3.2.3 Memory .............................................................................................................................................................. 11 3.2.4 Video Features ................................................................................................................................................... 11 3.2.5 Audio .................................................................................................................................................................. 11 3.2.6 Ethernet ............................................................................................................................................................. 11 3.2.7 Data Acquisition ................................................................................................................................................. 12 3.2.8 Standard Peripherals .......................................................................................................................................... 12 3.2.9 Bus Interfaces ..................................................................................................................................................... 13 3.2.10 Power Supply ...................................................................................................................................................... 13 3.2.11 Battery Backup ................................................................................................................................................... 13 3.2.12 Watchdog Timer ................................................................................................................................................ 13 4. BOARD DESCRIPTION ................................................................................................................................................. 14 4.1 CONNECTOR SUMMARY ................................................................................................................................................... 15 4.1.1 Jumper Summary ............................................................................................................................................... 15 5. CONNECTORS ............................................................................................................................................................. 16 5.1 PC/104 ISA BUS (J1, J2) ................................................................................................................................................ 16 5.2 MAIN I/O (J3) ............................................................................................................................................................... 17 5.3 ETHERNET (J4) ............................................................................................................................................................... 20 5.4 USB (J5, J21) ............................................................................................................................................................... 20 5.5 WATCHDOG TIMER (J6) ................................................................................................................................................... 21 5.6 USB0 (J7) .................................................................................................................................................................... 22 5.7 IDE (J8) ....................................................................................................................................................................... 22 5.8 EXTERNAL BATTERY (J9) ................................................................................................................................................... 24 5.9 INPUT POWER (J11) ........................................................................................................................................................ 24 5.10 EXTERNAL AUXILIARY POWER, OUTPUT (J12) ...................................................................................................................... 25 5.11 DATA ACQUISITION, DIGITAL I/O (J14) .............................................................................................................................. 26 5.12 SPEAKER (J15) ............................................................................................................................................................... 27 5.13 AUTO-CALIBRATION REFERENCE VOLTAGE (J17) .................................................................................................................. 28 5.14 LCD PANEL, LVDS INTERFACE (J24) .................................................................................................................................. 29 5.15 VGA (J25) .................................................................................................................................................................... 30 5.16 CPU FAN (J27) .............................................................................................................................................................. 31 5.17 LCD BACKLIGHT (J28) ..................................................................................................................................................... 31 5.18 CD INPUT (J30) ............................................................................................................................................................. 32 6. BOARD CONFIGURATION ........................................................................................................................................... 33 6.1 SYSTEM CONFIGURATION (J10) ......................................................................................................................................... 33 6.1.1 Serial Port and A/D IRQ Settings ........................................................................................................................ 34 6.1.2 Erasing CMOS RAM Settings .............................................................................................................................. 35 6.1.3 ATX Power Control Settings ............................................................................................................................... 35 6.2 DAC CONFIGURATION (J13) ............................................................................................................................................. 36 6.2.1 Single-Ended/Differential Input Settings ............................................................................................................ 36 Athena II User Manual Rev 1.09 www.diamondsystems.com Page 2 6.2.2 Unipolar/Bipolar Input Settings ......................................................................................................................... 37 6.2.3 Analog Output Configuration Settings ............................................................................................................... 37 6.3 RS-485 MODE SELECTION (J18) ....................................................................................................................................... 38 7. SYSTEM OPERATION .................................................................................................................................................. 39 7.1 SYSTEM RESOURCES ........................................................................................................................................................ 39 7.2 CONSOLE REDIRECTION TO A SERIAL PORT ........................................................................................................................... 39 7.3 WATCHDOG TIMER ........................................................................................................................................................