User Guide

Software Functional Overview
FIC MD02 Service Manual 3-11
3.3.14 PMU08 GPIO pin assignment
GPIO
number
Signal
Name
Default I/O Notes Remar
k
GPIO B6 PM_SLP_S
10
1 I Suspend Plane A control for
ICH4
0: POS, STR and STD
suspend state.
1: not suspend state.
GPIO B5 N.C. -- -- No used
GPIO B4 N.C. -- -- No used
GPIO B1 N.C. 1 O No used
GPIO B0 N.C. -- -- No use
GPIO A7 N.C -- -- No use
GPIO A6 PCMRI0 1 I PC Card Ring event
0: Ring
1: No Ring
GPIO A0 LID0 1 I LCD Open/Close Status
0: LCD Close
1: LCD Open
GPIO C1 NC -- -- No Use
GPIO B7 PM_RI0 1 O Wake Up event request
0: Wake SMI(SCI)
1: There is no demand.
GPIO B2 N.C. -- - No Use
GPIO B0 N.C. -- -- No Use
GPIO A5 PRSTMSK0 1 O PCI Reset Mask
0: Reset Mask
1: Reset Enable
GPIO A4 PCMUTE0 1 O Mute PC Speaker
GPIO A1 N.C. -- -- No use
GPIO C2 CHGLED Charge Battery indicator :
1 : charging Battery
0 : Stop charging Battery
GPIO C3 N.C. -- -- No Use
GPIO C0 N.C. -- -- No Use
3.4 ACPI
General Requirements
The BIOS must meet the following general Power Management requirements:
Refers to the portion of the firmware that is compatible with the ACPI 1.0b specifications.
Support for Power ON(S0 state), Suspend-to-RAM (S3 state) , Suspend-to-Disk mode (S4
state) and Soft OFF(S5 state).
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