Thermal Status Report And Fan Control - Compal JHT01 Service Manual

• 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.
Function Description
Brightness level changed
Contrast level changed
CoverLid close
Display toggle
Battery in critical low
Battery in low state
Standby request
Battery pack plugin
Battery pack removed
Suspend To RAM request
Save To DISK request
Docking in
AC plugin
AC removed
Modem ringin
PME signal active

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.
APM Mode
ON S2R S2D
mode mode mode
SMI - -
SMI - -
SMI - -
SMI - -
SMI SMI -
SMI - -
SMI - -
SMI - -
SMI - -
SMI - -
SMI - -
SMI - -
SMI - -
SMI - -
SMI - -
SMI SMI -
ACPI mode
Trigger S0 S1, S2,
event status S3
status
A1h SCI -
A2h SMI -
A6h SCI -
Ach SCI -
B2h SCI SWI
B3h SCI -
B4h - -
B5h SBS -
B6h SBS -
B8h SCI -
B9h - -
Bah SCI SWI
C7h SBS -
C8h SBS -
Cah - SWI
Ceh SCI SWI
JHT01 Service Manual
S4 S5 SCI
status status event
- - 11h
- - 12h
- - 16h
- - 1ch
- - 22h
- - 23h
- - 24h
- - 25h
- - 25h
- - 28h
- - 29h
- - 2ah
- - 37h
- - 38h
- - 3ah
- - 3eh
2-31
SWI
event
-
-
-
-
-
-
-
-
-
-
-
-
-
-
04
02