Software Functional Overview
z Device PM control during Stand By mode
Device Power
Controlled by
Description
CPU Hardware Controlled by SUS_STAT1# pin
L2 CACHE Hardware Controlled by BIOS
SIS645 Hardware Controlled by SUS_STAT1# pin
SIS961 Working
DRAM Hardware Self Refresh
Clock Synthesizer Hardware Controlled by SUSA# pin
CDROM Software CDROM support power down command
HDD Software HDD support power down command
FDD Software FDD support power down command
KBC Working
VGA/VRAM Software Controlled by NVIDIA
PCMCIA Software Controlled by Driver enter Dx status
Super I/O Software Controlled by SIS961
AUDIO Software Controlled by SIS961
Audio AMP Software Controlled by BIOS
LCD Backlight Hardware Controlled by VGA chip
Serial Port Software Controlled by PMU08 GPIO[B3] pin
IR Module Software IR module support power down command
LAN Software LAN support power down command
Internal Modem Software Modem support power down command
z Device PM control during STR mode
Device Power Down
Controlled by
Description
CPU Hardware Controlled by SUSB# pin
L2 CACHE Hardware Power off
SIS961 Hardware Controlled by SUSB# pin
DRAM Software Self Refresh
Clock Synthesizer Hardware Controlled by SUSB# pin
CDROM Hardware Power off
HDD Hardware Power off
FDD Hardware Power off
KBC Software Controlled by M38869M8 power down
command
PMU08 Sofeware Controlled by PMU08 power down command
VGA/VRAM Software Controlled by NVIDIA
PCMCIA Software Controlled by SUSB# pin
Super I/O Hardware Controlled by SIS961
FIC M295 / M296 Service Manual 3-23
