FIC A360 User Manual

Page of 187
 
Software Functional Overview 
 
3-26 
FIC A360 Service Manual 
command 
Internal Modem 
Software 
Modem support power 
down command 
 
Device Power Control Methodology During S1 Mode 
This section illustrates the control methodology of each device/component and its details 
under Suspend to RAM mode. 
 
Device 
Power Down Controlled 
by 
Description 
CPU 
Hardware 
Controlled by SUSB# pin 
L2 CACHE 
Hardware 
Power off 
VT8603 
Hardware 
Controlled by SUSB# pin 
VT82C686B 
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 M38867 
power down command 
PIC16C62A 
Software 
Controlled by PIC16C62A 
power down command 
PMU07 
Sofeware 
Controlled by PMU07 
power down command 
VGA/VRAM 
Software 
Controlled by VT8603 
PCMCIA 
Software 
Controlled by SUSB# pin 
Super I/O 
Hardware 
Controlled by VT82C686B 
AUDIO 
Hardware 
Controlled by VT82C686B 
Audio AMP 
Hardware 
Controlled by BIOS 
LCD Backlight 
Hardware 
Power off 
Serial Port 
Software 
Controlled by PMU07 
GPIO[B3] pin 
IR Module 
Hardware 
Controlled by SUSB# pin 
LAN 
Hardware 
Controlled by Driver enter 
Dx status 
Internal Modem 
Hardware 
Controlled by Driver enter 
Dx ststus