8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MSI
General SPEC
ICH4
GPIO 0
GPIO 1
GPIO 5
GPIO 6
GPIO 7
GPIO 8
GPIO 9
GPIO 10
GPIO 2
GPIO 11
GPIO 12
GPIO 13
GPIO 14~15
GPIO 16
GPIO 17
GPIO 21
GPIO 22
GPIO 23
GPIO 24
GPIO 25
GPIO 26
GPIO 27
GPIO 28
GPIO 29~31
I
O
OD
I/O
SMB_ALERT (multifuntion pin)
GNT#B (multifuntion pin)
Not Implemented
FunctionTypeGPIO Pin
Not Implemented
Not Implemented
Not Implemented
Not Implemented
GPIO 3
GPIO 4
Secondary IDE ATA66/100 detection (SD_DET)
Primary IDE ATA66/100 detection (PD_DET)
Pull Up to 3.3VSBY through 4.7K ohms (SIO_PME)
REQ#A (multifunction pin)
REQ#B (multifunction pin)
GNT#A (multifunction pin)
GPIO 19
GPIO 20
O
Pull Up to 3.3V through 8.2K ohms (BIOS protect)
Pull up through 8.2K ohms (PIRQE#)
Pull up through 8.2K ohms (PIRQF#)
Pull up through 8.2K ohms (PIRQH#)
Pull up through 8.2K ohms (PIRQG#)
FWH
IGPI 0
GPI 1
GPI 2
GPI 3 P1 customer defined
GPIO Pin Type Function
GPI 4
Pull down through 8.2K ohms (unused)
PCI Slot 1
PCI Slot 2
PCI Slot 3
DEVICE ICH INT Pin IDSEL
INTA#
INTB#
INTC#
INTD#
AD16
AD17
AD18
AD29
PCI Config.
PCI LAN
PCICLK0
CLOCK
PCICLK1
PCICLK2
LAN_PCLK
CLK GEN PIN OUT
11 (PCI4)
12 (PCI5)
17 (PCI9)
10 (PCI3/FS4)
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
I/O
I/O
I/O
I/O
Pull down through 10K ohms (unused)
Pull down through 10K ohms (unused)
EXTSMI# with Pull up 10K ohms to VCC3_SB
Pull down through 10K ohms (unused)
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
GPIO 32
GPIO 33
GPIO 34
GPIO 35
GPIO 36
GPIO 37
GPIO 38
GPIO 39
GPIO 40
GPIO 41
GPIO 42
GPIO 43
GPIO 44~47
I/O
I/O
Not Implemented
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
No Connected
* GPIO18 will toggle at 1Hz frequency.
GPIO 18*
I
I
I
I
Pull down through 8.2K ohms (unused)
Pull down through 8.2K ohms (unused)
P1 customer defined
INTB#
INTC#
INTD#
INTA#
INTC#
INTD#
INTA#
INTB#
INTG#
INTF#
*ICH4 reserved PCI address line AD22 for the PCI-to-ISA Bridge's IDSEL input.
DIMM Config.
DEVICE ADDRESS CLOCK
DIMM 1 1010000B DCLK0/DCLK0#
DIMM 2 1010001B
DCLK1/DCLK1#
DCLK2/DCLK2#
DCLK3/DCLK3#
DCLK4/DCLK4#
DCLK5/DCLK5#
MS-6526
300
GeneralSPEC
MICRO-STAR INT'L CO.,LTD.
429Monday, May 13, 2002
Title
Size Document Number Rev
Date: Sheet of
