Compal JHL90 - EC-FW Power Management Support

JHL90 Service Manual
• System should Save to Disk (S2D) or beeping (Low condition) depend on OS
setting.
12.9.2 Battery type
• The KB-BIOS will support for smart battery pack by SMBus protocol.
• 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: 11.1V/7200mAH (9 cells: 3S3P & 6 cells 3S2P)
• Compatible with Intel’s SMBus and Philip’s I2C bus protocol.
12.9.3 Adaptor loading Protection
• 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 ≥ 1.22V (average
2.5 minute)
Clock throttling 12.5%.
The max level is 50%
AC adaptor not
exist
12.10 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.
12.10.1 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.
12.10.2 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
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