MSI IM-GS45-M - Manual (Page 59)

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