Compal JHL90 - Page 39

JHL90 Service Manual
CMD DATA Description return
C0h FAN off None
C1h FAN on speed1 None
C2h FAN on speed2 None
C3h Throttling enable None
4Ah Auto into S2R (Delay about 4 Secs) or
S2D and resume by timeout, This
command provided engineer to verify
S2R or S2D and resume function is OK
or not
Resume count (second base), Range is
from 0x02 to 0x7F
Bit7 = 0 - > Enabled S2R function
1 - > Enabled S2D function
0x02-
0x7F
Enabled S2R function None
0x80-
0xFF
Enabled S2D function None
4Bh Write the data to device through SMBus
interface (00h->Success, FEh->Fail)
0 Slave address of device One byte
1 Lo byte address if device is EEPROM,
otherwise is command or register.
One byte
2 Hi byte address if device is EEPROM,
otherwise is zero.
One byte
3 data byte for write One byte
4Ch Read data from devices through SMBus
0 get Device slave address One byte
1 Lo byte address if device is EEPROM
otherwise is command or register
One byte
2 Hi byte address if device is EEPROM,
otherwise is zero
One byte
4Dh Write byte into EEPROM (00h-
>Success, FEh->Fail)
00h-FFh EEPROM address One byte
00h-FFh Data byte for write byte One byte
4Eh Read byte from EEPROM (00h-
>Success, FEh->Fail)
00h-FFh EEPROM address One byte
4Fh For R591 utility (00h->Success, FEh-
>Fail)
1Bh Get common ram value 256 bytes
1Ch Ger expansion I/O register 6 bytes
20h Get EC name space ram value 256 bytes
2Dh Get queue information from SMBus
2Fh Get project and customer ram value 256 bytes
30h Get BP ram value 32 bytes
33h Get fan 1 table information
If FAN_NUM ≥ 2
34h Get fan 2 table information
If FAN_NUM ≥ 3
35h Get fan 3 table information
40h Get debug data version One byte
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