Kontron MSM800BEV V101 BIOS - Manual (Page 32)

Geode LX800 / LX900 / Special Peripherals, Configurations, Software
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Function: READ INFO 3 FROM EEPROM (ReadCounter –low 2 Byte of 3 byte counter)
Number: EAh
Description: Reads the information Bytes out of the serial EEprom.
AH 78h DLAG Int15 function
Input values:
AL EAh Function request
AX Number of boot errors
BX Number of setup entries
CX Number of low battery errors
Output values:
DX Number of power-on starts
Function: WATCHDOG
Number: EBh
Description:
Enables strobes and disables the Watchdog. After power-up, the Watchdog is
always disabled. Once the Watchdog has been enabled, the user application must
perform a strobe at least every 800ms, otherwise the watchdog performs a
hardware reset
AH 78h DLAG Int15 function
AL EBh Function request
BL 00h Disable
BL 01h Enable
BL FFh Strobe
01h-FFh enable watchdog / retrigger
Input values:
BH 00h = BL number of sec. / 01h = BL number of min.
Output value: AL 01h Watchdog timer time-out occurred
Function: Read Temperature of THE CPU
Number: ECh
Description: Reads the temperature from the LM75 or CPU-thermal sensor
AH 78h DLAG Int15 function
Input values:
AL ECh Function request
BL 00h value OK, otherwise error
CL ADM1023 TempBit 7 = 01h neg./*1C Output values:
DX CPU Temp (from the ADM1023) Bit 10= 01h neg./*0125C
6.1.2 Int15 Emulator Driver for Windows
Int15 Hardware
Resources:
1. EEPROM: 2K size
000h-3FFh: reserved
400h-7FFh: available for user data
2. Temperature sensor
3. Watchdog hardware
Access to these resources under DOS can be provided by the INT 15h function, see Section 5.1.
Access under Windows 98, ME, 2000 and XP can be provided by the "Int15dl"-WDM driver; under Windows-NT with the
"Int15dl"-NT driver.
At the moment this driver supports all Kontron Compact Computer boards with PIIX4 and ICH4 chipsets (eg. MSM855,
MSEBX855, MSMP5SEV, MSMP3SEV, MSEP800, etc.). The driver can be found on the Product CD or in the download
area of the support center.