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5
General Purpose I/O Spec.
D
ICH2
GPIO Pin
Type
Function
GPIO 0
I
Non Connect
GPIO 1
I
Non Connect
GPIO 2~4
I
Not Implemented
GPIO 5
I
Non Connect
GPIO 6
I
AC97 Enabled/Disabled
GPIO 7
I
None
C
GPIO 8
I
LAN Wake Up
GPIO 9
I
AC'97 Serial Data In
GPIO 10
I
Non Connect
GPIO 11
I
Non Connect
GPIO 12
I
External SMI
GPIO 13
I
LPC PME
GPIO 14~15
I
Not Implemented
GPIO 16
O
Non Connect
GPIO 17
O
Non Connect
GPIO 18
O
Not Implemented
B
GPIO 19
O
Not Implemented
GPIO 20
O
Not Implemented
GPIO 21
O
Audio 6 channel control
GPIO 22
O
Non
GPIO 23
OD
BIOS Locked/Unlocked
GPIO 24
O
Non
GPIO 25
O
Non
GPIO 26
O
Non
GPIO 27
I/O
Non
A
GPIO 28
I/O
non
GPIO 29~31
I/O
Not Implemented
5
4
3
FWH
GPIO Pin
Type Function
GPI 0
I
GPI 1
I
GPI 2
I
GPI 3
I
DLED-Super I/O
GPIO Pin
Type Function
GP32
I/OD
GP24
I/OD
GP34
I/OD
GP33
I/OD
4
3
2
DEVICE
PCI Slot 1
ATA IDE 1 Detect
ATA IDE 2 Detect
PCI Slot 2
Reserved
Reserved
PCI Slot 3
DLED1
DLED2
PCI Audio
DLED3
DLED4
PCI Lan
2
1
ICH INT Pin
IDSEL
INTA#
AD16
INTB#
INTC#
INTD#
INTB#
AD17
INTC#
INTD#
INTA#
INTC#
AD18
INTD#
INTA#
INTB#
INTD#/INTE#
AD23
INTA#
INTB#
INTC#
INTC#/INTF#
AD22
INTD#
INTA#
INTB#
Title
Rev
Micro-Star
MS-6507
1.0
Document Number
GPIO Spec.
Last Revision Date:
Monday, September 24, 2001
Sheet
3
of
36
1
D
C
B
A
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