Kontron MSM800BEV V101 BIOS - Manual (Page 35)

Geode LX800 / LX900 / Special Peripherals, Configurations, Software
www.kontron.com 33
Information for Advanced Users
At the first call of the function Open_Int15dl(), the Int15dl driver tries to detect the type of chipset. To disable this
procedure the user must define the following parameters in the "Int15dl.inf" file before installing the driver:
For PIIX4 chipset:
HKR, "Parameters", "chipID", 0x00010001, 0x4
HKR, "Parameters", "pmBase", 0x00010001, 0x1000
HKR, "Parameters", "smbBase", 0x00010001, 0x1040
HKR, "Parameters", "tsaddr", 0x00010001, 0x9E - LM75 sensor address
For ICH4 chipset:
HKR, "Parameters", "chipID", 0x00010001, 0x5
HKR, "Parameters", "pmBase", 0x00010001, 0x1000
HKR, "Parameters", "smbBase", 0x00010001, 0x1880
HKR, "Parameters", "tsaddr", 0x00010001, 0x9C - ADM1023 sensor address
For more information, please contact the Kontron Compact Computers support department.
6.2 LINUX 1
2
C Bus Access
The following information is valid for Knoppix 5.2 (kernel 2.6.19.5).
Note: The I 2 C system may differ when other kernel versions are used.
Kontron Compact Computers LX800 / LX900 products have the following I
2
C devices onboard:
Address Device Driver
0x4c Temperature sensor lm83.ko
0x50 RAM EEPROM eeprom.ko
0x57 RTC backup EEPROM eeprom.ko
not available on the MSB800(L), MPC20 and MPC21
The I 2 C (also called ACCESS.bus on LX800 / LX900 products) adapter is included in the AMD CH5536 companion chip.
The driver is called: scx200_acb.ko
Once the required drivers are loaded, the device nodes will appear in: /sys/class/i2c-adapter/i2c-0/