FIC a440 Service Manual
Hardware Functional Overview
FIC A440 Series Service Manual 4-21
Power on/off
Power on
Power off
Power off
Power off
Full on
Full on
Suspend
Power on
STR/STD*
STR/STD
STR/STD
Full on
Full on
Note: As pressed Sleep button over 4 sec, the system will force to power off.
*The mode of STR/STD can be selected via CMOS setup.
4.5.8
Device Power management
Power state of local devices table
PowerState
Component
Doze
Stand By
STR
STD/SOff
CPU
Stop Grant
Stop Clock
Power Off
Power Off
VT8601
ON
Stop Clock
Power Off (except Vcc)
Power Off
VT82C686A ON ON Power Off (except
SUSVcc, RTCVcc )
Power Off (except
SUSVcc, RTCVcc)
DRAM
ON
Self Refresh
Self Refresh
Power Off
L2 CACHE
ON
Power down
Power Off
Power Off
CDROM
ON
Power down
Power Off
Power Off
HDD
ON
Power down
Power Off
Power Off
FDD
ON
Power down
Power Off
Power Off
KBC
ON
ON
Power down
Power Off
PIC 16C62A
ON
ON
Power down
Power down
VGA
ON
Power down
Power down
Power Off
O2 6833 (PCMCIA)
ON
Power down
Power down
Power Off
Sound
ON
Power down
Power Off
Power Off
LCD Backlight
ON
Power down
Power Off
Power Off
Serial (UART1)
ON
Power down
Power down
Power Off
LAN
ON
Power down
Power down
Power Off
Modem
ON
Power down
Power down
Power down
Parallel
ON
Power down
Power Off
Power Off
Device PM control during Stand by mode
Device
Power Down Controlled by
Description
CPU
Hardware
Controlled by SUS_STAT1# pin
VT8601
Hardware
Controlled by SUS_STAT1# pin
VGA Chip
Software
Enter PCI PM D3 state
PCMCIA Controller
Software
Enter PCI PM D3 state
KBC Working
FDD
Software
FDD support power down command
HDD
Software
HDD support power down command
CD-ROM
Software
CD-ROM support power down command
Audio AMP
Software
Controlled by GPO[22] pin
Modem
Software
Enter PCI PM D3hot state
LAN
Software
Enter PCI PM D3hot state