Compal NBLB2 - Battery Type; Adaptor Loading Protection (TBD); EC-FW Power Management Support; Power States

NBLB2 Service Manual
41
 In ACPI mode, system should save to Disk (S2D) or beeping (Low
condition) depends on OS setting.
12.8.2 Battery type
 ACPI1.0b and PC2001 Compliant, with PC2001 spec “A mobile system
must use a Smart Battery or an ACPI control method battery”, our currently
design is ACPI control method battery.
 Li-ion Battery: 4 cell or 6 cell or 8 cell or 9 cell or 12 cell
 Ni-MH Battery: 4 cell or 6 cell or 8 cell or 9 cell or 12 cell
 Compatible with Intel‟s SMBus and Philip‟s I2C bus protocol.
12.8.3 Adaptor loading Protection (TBD)
When the power consumption of system over support by AC adaptor, EC
will notify system to do throttling. The protected point is different by CPU
type and speed. Below table was detail description.
AC adaptor status
Protect point
Action
AC adaptor exist
Voltage<=1.2734V
( average 2.5 minute )
Voltage>=1.41489V
Recovery
Clock throttling 12.5% .
The max level is 50%
AC adaptor not exist
12.9 EC-FW Power management support
EC will support S1(sleep mode), S3(standby mode) and S4(suspend to
disk) mode to save the power consumption.
12.9.1 Power states
 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.
12.9.2 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
Trigg
er
event
S0
status
S1,S2
,S3
status
S4
status
S5
status
SCI
event
SWI
event
DTS temperature
update
-
-
-
-
SCI
-
-
-
10h
-
Decrease
brightness event
SMI
-
-
A1h
SCI
-
-
-
11h
-