Compal JHT01 - Thermal Status Report and Fan Control

JHT01 Service Manual
2-31
• Sleep mode
LCD panel back-light off
•
Save to RAM
Keyboard (int./ext.) scanning off
• Save to DISK
No actions except turning off system with AC exist or turn off KBC without AC.
12.10.2 SMI/SCI/SWI/SBS/SPB events
•
The Following list is what events (SMI/SCI/SWI/SBS) will be generated
under different OS.
APM Mode ACPI mode
Function Description ON
mode
S2R
mode
S2D
mode
Trigger
event
S0
status
S1, S2,
S3
status
S4
status
S5
status
SCI
event
SWI
event
Brightness level changed
SMI - - A1h SCI - - - 11h -
Contrast level changed
SMI - - A2h SMI - - - 12h -
CoverLid close
SMI - - A6h SCI - - - 16h -
Display toggle
SMI - - Ach SCI - - - 1ch -
Battery in critical low
SMI SMI - B2h SCI SWI - - 22h -
Battery in low state
SMI - - B3h SCI - - - 23h -
Standby request
SMI - - B4h - - - - 24h -
Battery pack plugin
SMI - - B5h SBS - - - 25h -
Battery pack removed
SMI - - B6h SBS - - - 25h -
Suspend To RAM request
SMI - - B8h SCI - - - 28h -
Save To DISK request
SMI - - B9h - - - - 29h -
Docking in
SMI - - Bah SCI SWI - - 2ah -
AC plugin
SMI - - C7h SBS - - - 37h -
AC removed
SMI - - C8h SBS - - - 38h -
Modem ringin
SMI - - Cah - SWI - - 3ah 04
PME signal active
SMI SMI - Ceh SCI SWI - - 3eh 02
12.11 Thermal Status Report and Fan Control
EC will control fan on/off function according to the CPU temperature (EC will
get temperature from thermal sensor through SMBus). Fan will be off when
temperature below speed 1 speed down temperature, and if temperature over EC
Shutoff temperature five times, EC will auto turn off system to protect CPU. The
following table is detailed settings.