Software Functional Overview
FIC A360 Service Manual
3-17
Password during POST
P63 LOGOSEL DIP
Switch
P64 N.C.
P65 Pull
High
P66 N.C.
P67 Pull
High
P76 (SDA)
Pull High
P77 (SCL)
Pull High
3.4
Power Management
This section provides the Power Management software function of the notebook.
3.4.1
General Requirements
The BIOS meet the following general Power Management requirements:
•
Compliant with ACPI 1.0B Specification
•
Support for Suspend-to-RAM (S1 state) and Suspend-to-Disk mode
•
Support for Resume on Modem Ring while in S1 / S4 Mode.
•
Power Management must not substantially affect or degrade system performance.
•
Power Management must be OS independent
•
Support resume on Time/Date
3.4.2
System Power Plane
The system components are grouped as the following parties to let the system to control the
On/Off of power under different power management modes.
The power plane is divided as following:
Power
Group
Power Control
Pin
Controlled Devices
+B Nil
IMM,
(9V~20V)
+3VA
Nil
PIC16C62A, VT82C686B (RTC I/F), Internal
Modem, PMU07
+12V
PWRON
PCMCIA Card, AC97 Codec
+5V
PWRON
PCMCIA Slot 5V
+3V PWRON
VGA,
PCMCIA,
PCMCIA Slot 3V, DRAM,
Twister(DRAM I/F), M38867, MAX3243
+5VS
SUSB#
FLASH ROM, HDD, CD-ROM, USB, Internal K/B,
Glide Pad, External P/S2 Mouse, FDD, Audio AMP,
Fan
+3VS
SUSB#
VT82C686B (ISA I/F Power), Clock Generator &
Buffer (W137)
+RTCVCCS Nil VT82C686B
(RTC)