15 vt82c686b gpo pin assignment, Software functional overview – FIC A360 User Manual

Page 72

Advertising
background image

Software Functional Overview


FIC A360 Service Manual

3-15

3.3.15 VT82C686B GPO pin assignment

Pin Name

Function Name Connected Device

Description

GPO[0] N.C.

GPO[1] SUSA#

VT8603,

PMU07,

Clock Generator

This pin will output Low to
power down devices during
Standby, STR, STD and
SOFF

GPO[2]

SUSB#

Low = Suspend to RAM

GPO[3]

SUS_STA1#

VT8603

Low = Suspend Status 1.

GPO[4] CPU_STP# Clock

Generator,

SpeedStep Controller

Low = CPU clock Stop.

GPO[5]

PCI_STP#

Colck Generator

Low = PCI clock Stop.

GPO[7]

SLP#

VT8603

This pin will output Low to
power down devices during
Standby, STR, STD and
SOFF

GPO[8]

GCLSMENA#

PCA9559

Low = Disable PCA 9559
Write Protect feature

GPO[9] BIOSWEN# BIOS

ROM

Low = Enable Write BIOS
ROM

GPO[10] GPI[10]

Refer

GPI[10]

GPO[11] GPI[11]

Refer

GPI[11]

GPO[12] PMUCS1#

(PCS0#)

PMU07

Low = Select PMU07 Chip

GPO[13] PMUCS0#

(MCCS#)

PMU07

Low = Select PMU07 Chip

GPO[14] IRTX#

SIR

Infrared

Transmit.

GPO[15] IRRX#

SIR

Infrared

Receive.

GPO[16]

FAN_HI/LO

FAN

High = FAN work on high
speed

Low = FAN work on low
speed

GPO[17]

FANON#

FAN

Low = Turn on FAN

GPO[18]

PCMUTE#

Speaker

Low = PC sound off

GPO[19] PCI_SERIRQ CardBus

Controller

Serial Interrupt Request

GPO[20]

FETON

PHS Connector

Enable PHS power

GPO[21]

BLEN

LCD Panel

Low = Turn off LCD Backlight

GPO[22]

DRAMENA

Select SMBus Device

00:DRAM Slot1 01:DRAM
Slot2

GPO[23] DRAMENB

10:NC 11:Clock
Generator

GPO[24]

USBOC1#

USB

Connector

1

Low = USB Port 1 Over
Current Detect

GPO[25]

USBOC0#

USB

Connector

0

Low = USB Port 0 Over
Current Detect

Advertising