Octagon XE-900, Справочное руководство

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Video features ..................................................................................................................................................... 69
Connecting a monitor.......................................................................................................................................... 69
Connecting an LVDS flat panel display ............................................................................................................. 71
Connecting the LVDS flat panel to the XE–900 SBC .................................................................................... 71
Chapter 10: Ethernet ......................................................................................................................................... 73
Description .......................................................................................................................................................... 73
Chapter 11: PC/104 and PC/104-Plus expansion .......................................................................................... 74
Description .......................................................................................................................................................... 74
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12V PC/104 -Plus devices ............................................................................................................................... 74
Chapter 12: USB ................................................................................................................................................. 76
Description .......................................................................................................................................................... 76
Overview: Section 3 – System management ................................................................................................. 77
Chapter 13: Watchdog timer and hardware reset ...................................................................................... 78
Description .......................................................................................................................................................... 78
Booting, power down, and strobing the watchdog timer ............................................................................... 78
Watchdog function definitions using enhanced INT 17h handler .................................................................... 79
Enable watchdog ............................................................................................................................................. 79
Strobe watchdog .............................................................................................................................................. 80
Disable watchdog ............................................................................................................................................. 80
Hardware reset ................................................................................................................................................... 81
Chapter 14: Serial EEPROM ............................................................................................................................ 82
Description .......................................................................................................................................................... 82
Enhanced INT 17h function definitions ............................................................................................................. 82
Serial EEPROM .................................................................................................................................................. 82
Read a single word from the serial EEPROM ................................................................................................ 82
Write a single word to the serial EEPROM ................................................................................................... 83
Read multiple words from the serial EEPROM ............................................................................................. 83
Write multiple words to the serial EEPROM ................................................................................................ 84
Return serial EEPROM size ........................................................................................................................... 85
Chapter 15: System switches, user switches, BIOS update, system functions, CPU fan, Integrated
Conductive Cooling System (ICCS), temperature sensors, power management and LEDs .............. 86
System switches .................................................................................................................................................. 86
System switch .................................................................................................................................................. 86
Video switch ..................................................................................................................................................... 86
User switches ................................................................................................................................................... 87
INT17 calls to read user switches ...................................................................................................................... 87
BIOS programming using REFLASH.EXE ....................................................................................................... 87
INT17 calls to read BIOS version ................................................................................................................... 88
System functions ................................................................................................................................................. 88
Return CPU Type ............................................................................................................................................ 89
CPU fan ............................................................................................................................................................... 89
Integrated Conductive Cooling System (ICCS) ................................................................................................. 90
Temperature sensors .......................................................................................................................................... 92
Power management ............................................................................................................................................ 92
ACPI 2.0 ........................................................................................................................................................... 92
PCI power management .................................................................................................................................. 92
LEDs .................................................................................................................................................................... 92
Chapter 16: Troubleshooting ........................................................................................................................... 93
No system LED activity ...................................................................................................................................... 93
No CRT or flat panel video ................................................................................................................................. 93
Video is present but is distorted ......................................................................................................................... 93
No serial console activity .................................................................................................................................... 94
Garbled serial console screen activity ................................................................................................................ 94
System generates a BIOS message but locks up when booting ........................................................................ 95
System will not boot from CompactFlash .......................................................................................................... 95
System locks up on power-up; may or may not respond to reset switch .......................................................... 95
System locks up after power-down/power-up .................................................................................................... 95
LED signaling of “beep” counts .......................................................................................................................... 95
Technical assistance ......................................................................................................................................... 100