A-16 Connector Pin Assignments
PCI Expansion Bus Connector Pin Assignments
The ISA/PCI-Bus backboard connectors J10B1, J10C1, and J10C2 are given in
Table Appendix A-14.
Table Appendix A-14 PCI Expansion Slot Pin Assignments
Pin Signal Pin Signal
A1 GND B1 –12V
A2 +12V B2 No connection
A3 No connection B3 GND
A4 No connection B4 No connection
A5 VCC B5 VCC
A6 –PCINT3 B6 VCC
A7 –PCINT1 B7 –PCIINT2
A8 VCC B8 –PCIINT4
A9 Reserved B9 No connection
A10 VCC B10 Reserved
A11 Reserved B11 No connection
A12 GND B12 GND
A13 GND B13 GND
A14 Reserved B14 Reserved
A15 –SPCIRST B15 GND
A16 VCC B16 PCLKE
A17 –AGNT B17 GND
A18 GND B18 –REQA
A19 Reserved B19 VCC
A20 AD30 B20 AD31
A21 +3.3V B21 AD29
A22 AD28 B22 GND
A23 AD26 B23 AS27
A24 GND B24 AD25
A25 AD24 B25 +3.3V
A26 AD22(IDSEL) B26 –CBE3
A27 +3.3V B27 AD23
A28 AD22 B28 GND