MSI IMGS45M User Guide - Page 59

Resource List, Ich9 Gpio

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Resource List MS-9871 ICH9 GPIO GPIO Type Function GPIO6 I PCB version identify Power Description 3.3V PCB VER GPIO7 GPIO6 0A 0 0 10 0 1 GPIO7 I GPIO8 O GPIO13 I PCB version identify USB port power enable pin 1: enable USB port power 0: disable USB port power LPC_PME# 3.3V 3VSB 3VSB PCB VER GPIO7 GPIO6 0A 0 0 10 0 1 Set to 1 at S0,S3 Set to 0 at S4,S5 For SIO PME# GPIO27 O Audio Amp volume control Gain0 3.3V GPIO28 O Audio Amp volume control Gain1 3.3V 4-7

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4-7
MS-9871
R
ESOURCE
L
IST
ICH9 GPIO
GPIO
Type
Function
Power
Description
GPIO6
I
PCB version
identify
3.3V
0
1
0
0
PCB VER
GPIO7 GPIO6
10
0A
GPIO7
I
PCB version
identify
3.3V
0
1
0
0
PCB VER
GPIO7 GPIO6
10
0A
GPIO8
O
USB port power
enable pin
1: enable USB
port power
0: disable USB
port power
3VSB
Set to 1 at S0,S3
Set to 0 at S4,S5
GPIO13
I
LPC_PME#
3VSB
For SIO PME#
GPIO27
O
Audio Amp
volume control
Gain0
3.3V
GPIO28
O
Audio Amp
volume control
Gain1
3.3V