Compal JHT01 Service Manual page 37

CMD DATA
0x80-0xFF
4Bh
0
1
2
3
4Ch
0
1
2
4Dh
00h-FFh
00h-FFh
4Eh
00h-FFh
4Fh
1Bh
1Ch
20h
2Dh
2Fh
30h
33h
34h
35h
40h
41h
12.3.2 Command set 50h-5Fh for OEM defined through Port60/64, Port62/66
and Port68/6C
Command Set (from system's point of view) via 60/64, 62/66 and 68/6C.
CMD DATA
50h
51h
Description
Enabled S2D function
Write the data to device through SMBus
interface (00h->Success, FEh->Fail)
Slave address of device
Lo byte address if device is EEPROM,
otherwise is command or register.
Hi byte address if device is EEPROM,
otherwise is zero.
data byte for write
Read data from devices through SMBus
get Device slave address
Lo byte address if device is EEPROM
otherwise is command or register
Hi byte address if device is EEPROM,
otherwise is zero
Write byte into EEPROM (00h->Success, FEh-
>Fail)
EEPROM address
Data byte for write byte
Read byte from EEPROM (00h->Success, FEh-
>Fail)
EEPROM address
For R591 utility (00h->Success, FEh->Fail)
Get common ram value
Ger expansion I/O register
Get EC name space ram value
Get queue information from SMBus
Get project and customer ram value
Get BP ram value
Get fan 1 table information
If FAN_NUM ≥ 2
Get fan 2 table information
If FAN_NUM ≥ 3
Get fan 3 table information
Get debug data version
Get battery information
Description
Get Docking status.
A0h = No dock
A6h = simple docked
Get revision number of EC-FW
BIOS Rev. 3 bytes
Byte0:
Bit0-Bit2 = major number (0-7)
Bit3-Bit7 = type of EC-FW
e.g. 0 = A, 1=B and so on.
JHT01 Service Manual
return
None
One byte
One byte
One byte
One byte
One byte
One byte
One byte
One byte
One byte
One byte
256 bytes
6 bytes
256 bytes
256 bytes
32 bytes
One byte
19 bytes
return
One byte
Three bytes
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