FIC A360 Reference and, Reference And Service Manual, Page: 72 / 187

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