
19 Appendix A
2. Pin Definition
3. PCI Routing table
CN1
PIN Name
1PS-ON
2GND
3 5VSB
CN2
PIN Name
1 5VSB
2GND
3GND
4-5V
5+5V
6 +3.3V
7 -12V
8 +12V
CN3
PIN Name
1 +12V
2GND
3+5V
KB~1/2/3
PIN Name
1 KBCLK
2 KBDAT
3NC
4 KBGND
5 KBVCC
ATX1
PIN Name PIN Name
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3GND13 GND
4 +5V 14 PS-ON
5GND15 GND
6 +5V 16 GND
7GND17 GND
8NC18 -5V
9 5VSB 19 +5V
10 +12V 20 +5V
PCI Slot IDSEL PCI Interrupt Pin Route
INT A INT B INT C INT D
PPCI1 AD31 INT B INT C INT D INT A
PPCI2 AD30 INT C INT D INT A INT B
PPCI3 AD29 INT D INT A INT B INT C
PPCI4 AD28 INT A INT B INT C INT D
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