Compal JHT01 Service Manual page 35

12.3.1 Command set 40h-4Fh for OEM defined through Port60/64, Port62/66
and Port68/6C
• Command Set via port 60/64, 62/66 and 68/6C.
CMD DATA
40h
0x01-0x7F
41h
A0h
A1h
A2h
A3h
42h
0x00-0x07
43h 00h - FFh
44h None
45h
01h
A5h
A6h
A7h
A8h
A9h
AAh
ABh
AEh
B0h
B1h
C0h
C1h
C2h
C3h
C4h
C5h
46h
81h
82h
84h
default
Description
Boot fail restart
Boot fail restart, write in a byte to EC and
enable the timer. This command called by BIOS
and will cause the system reboot after the byte
count down to zero if system still no reset the
counter. It could make sure the system success
boot up.
EC state notification
Return core code version number
Return platform id
Return EEPROM Slave address
Return Thermal chip slave address
Bank assign for EEPROM
Bank assign for EEPROM, work with 4D/4E
command replace 4B/4C command
Get RAM value from EC, Host can use this
command to send address to get OEM RAM
value. The address range are from 00h to FFh.
Get project ID
Hook for every projects (Define by project)
Check Thermal chip ID is SMSC or not
Set Wireless LAN and Blue Tooth aren't
existence
Set Wireless LAN is existence, Blue Tooth is
not existence
Set Wireless LAN is not existence, Blue Tooth
is existence
Set Wireless LAN and Blue Tooth are existence None
Set 3G is not existence
Set 3G is existence
Return M/B ID
Return DVD or MP3 key
Select the CPU to CMT
Select the CPU to Penryn
When system BIOS want to detect wireless and
bluetoth
After system infrom wireless and bluetoth
existence
Enable Modem
Disable Modem
Set UMA mode
Set Discrete mode
fan speed read
Reading FAN speed from FAN1
Reading FAN speed from FAN2
Fan RPM control by EC
Fan RPM value, and Fan RPM control by OS
JHT01 Service Manual
return
None
One byte
'COMPAL'
One byte
One byte
None
None
One byte
0x31
01 is Yes
00 is Not
None
None
None
None
None
Byte
None
None
None
None
None
None
None
None
One Word
None
None
None
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