Pci Expansion Bus Connector Pin Assignments - NEC DIRECTION L Service Manual

B-14 Connector Pin Assignments

PCI EXPANSION BUS CONNECTOR PIN ASSIGNMENTS

The expansion slots signals, voltages, and grounds are supplied through the bus connectors.
Table B-14 provides the pin assignments for the PCI expansion slots.
Table B-14 PCI Expansion Pin Assignments
Pin Signal
A1 +5V (TRST#)
A2 +12V
A3 +5V (TMS)*
A4 +5V (TDI)
A5 +5V
A6 INTA#
A7 INTC#
A8 +5V
A9 Reserved
A10 +5V (I/O)
A11 Reserved
A12 Ground
A13 Ground
A14 Reserved
A15 RST#
A16 +5V (I/O)
A17 GNT#
A18 Ground
A19 Reserved
A20 AD30
A21 +3.3V
A22 AD28
A23 AD26
A24 Ground
A25 AD24
A26 IDSEL
A27 +3.3V
A28 AD22
A29 AD20
A30 Ground
A31 AD18
Pin Signal
B1 –12V
B2 Ground (TCK)
B3 Ground
B4 no con (TDO)
B5 +5V
B6 +5V
B7 INTB#
B8 INTD#
B9 PRSNT#
B10 Reserved
B11 PRSNT2#
B12 Ground
B13 Ground
B14 Reserved
B15 Ground
B16 CLK
B17 Ground
B18 REQ#
B19 +5V (I/O)
B20 AD31
B21 AD29
B22 Ground
B23 AD27
B24 AD25
B25 +3.3V
B26 C/BE3#
B27 AD23
B28 Ground
B29 AD21
B30 AD19
B31 +3.3V
Pin Signal Pin
A32 AD16 B32
A33 +3.3V B33
A34 FRAME# B34
A35 Ground B35
A36 TRDY# B36
A37 Ground B37
A38 STOP# B38
A39 +3.3V B39
A40 SDONE B40
A41 SBO# B41
A42 Ground B42
A43 PAR B43
A44 AD15 B44
A45 +3.3V B45
A46 AD13 B46
A47 AD11 B47
A48 Ground B48
A49 AD09 B49
A50 Key B50
A51 Key B51
A52 C/BE0# B52
A53 +3.3V B53
A54 +AD06 B54
A55 AD04 B55
A56 Ground B56
A57 AD02 B57
A58 AD00 B58
A59 +5V (I/O) B59
A60 REQ64C3 B60
A61 +5V B61
A62 +5V B62
Signal
AD17
C/BE2#
Ground
IRDY#
+3.3V
DEVSEL#
Ground
LOCK#
PERR#
+3.3V
SERR#
+3.3v
C/BE1#
AD14
Ground
AD12
AD10
Ground
Key
Key
AD08
AD07
+3.3V
AD05
AD03
Ground
AD01
+5V (I/O)
+5v
+5V
+5V