Connector Pin Assignments B-1 5

PCI Expansion Bus Connectors

The expansion slot signals, voltages, and grounds are supplied through the bus

connectors. The following table provides the pin assignments for the PCI

expansion slots.

PCI Expansion Slot Pin Assignments

Pin Signal Pin Signal Pin Signal Pin Signal
A1 Ground
(TRST#) B1 -12V A32 AD16 B32 AD17
A2 +12V B2 Ground (TCK) A33 +3.3V B33 C/BE2#
A3 +5V (TMS) B3 Ground A34 FRAME# B34 Ground
A4 +5V (TDI) B4 no con (TDO) A35 Ground B35 IRDY#
A5 +5V B5 +5V A36 TRDY# B36 +3.3V
A6 INTA# B6 +5V A37 Ground B37 DEVSEL#
A7 INTC# B7 I NTB# A38 STOP# B38 G round
A8 +5V B8 INTD# A39 +3.3V B39 LOCK#
A9 Reserved B9 PRSNT1# A40 SDO NE B40 PERR#
A10 +5V (I/O) B10 Reserved A41 SBO# B41 +3.3V
A11 Reserved B11 PRSNT2# A4 2 Ground B42 SERR#
A12 Ground B12 Ground A43 PAR B43 +3.3V
A13 Ground B13 Ground A44 AD15 B44 C/BE1#
A14 +3.3V aux B14 Reserved A45 +3.3V B45 AD14
A15 RST# B15 Ground A46 AD13 B46 Ground
A16 +5V (I/O) B16 CLK A47 AD11 B47 AD12
A17 GNT# B17 Ground A48 Ground B48 AD10
A18 Ground B18 REQ# A49 AD09 B49 Ground
A19 PME# B19 +5V (I/O) A50 Key B50 Key
A20 AD30 B20 AD31 A51 Key B51 Key
A21 +3.3V B21 AD29 A52 C/BE0# B52 AD08
A22 AD28 B22 Ground A53 +3.3V B53 AD07
A23 AD26 B23 AD27 A54 AD06 B54 +3.3V
A24 Ground B24 AD25 A55 AD04 B55 AD05
A25 AD24 B25 +3.3V A56 G round B56 AD03
A26 IDSEL B26 C/BE3# A57 AD02 B57 Ground
A27 +3.3V B27 AD23 A58 AD00 B58 AD01
A28 AD22 B28 Ground A59 +5V (I/O) B59 +5V (I/O)