Compal JHT01 - Page 35

JHT01 Service Manual
2-19
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 Description return
40h Boot fail restart
0x01-0x7F 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.
None
41h EC state notification
A0h Return core code version number One byte
A1h Return platform id ‘COMPAL’
A2h Return EEPROM Slave address One byte
A3h Return Thermal chip slave address One byte
42h Bank assign for EEPROM None
0x00-0x07 Bank assign for EEPROM, work with 4D/4E
command replace 4B/4C command
None
43h 00h - FFh 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.
One byte
44h None Get project ID 0x31
45h Hook for every projects (Define by project)
01h Check Thermal chip ID is SMSC or not 01 is Yes
00 is Not
A5h Set Wireless LAN and Blue Tooth aren’t
existence
None
A6h Set Wireless LAN is existence, Blue Tooth is
not existence
None
A7h Set Wireless LAN is not existence, Blue Tooth
is existence
None
A8h Set Wireless LAN and Blue Tooth are existence None
A9h Set 3G is not existence None
AAh Set 3G is existence None
ABh Return M/B ID Byte
AEh Return DVD or MP3 key
B0h Select the CPU to CMT None
B1h Select the CPU to Penryn None
C0h When system BIOS want to detect wireless and
bluetoth
None
C1h After system infrom wireless and bluetoth
existence
None
C2h Enable Modem None
C3h Disable Modem None
C4h Set UMA mode None
C5h Set Discrete mode None
46h fan speed read
81h Reading FAN speed from FAN1 One Word
82h Reading FAN speed from FAN2 None
84h Fan RPM control by EC None
default Fan RPM value, and Fan RPM control by OS None