Pci Connectors; Pci Bus Pin Assignments - NEC POWERMATE PROFESSIONAL 9000 Service Manual

A-14 Connector Pin Assignments

PCI Connectors

Table A-16 lists pin assignments for the PCI connectors on the system board.
Pin Signal
A1 GND
A2 +12 V
A3 No Connect B3
A4 No Connect B4
A5 Vcc
A6 PCIINT3-
A7 PCIINT1-
A8 Vcc
A9 Reserved
A10 Vcc
A11 Reserved
A12 GND
A13 GND
A14 Reserved
A15 SPCIRST-
A16 Vcc
A17 AGNT-
A18 GND
A19 Reserved
A20 AD30
A21 3.3 V
A22 AD28
A23 AD26
A24 GND
A25 AD24
A26 AD22
(IDSEL)
A27 3.3 V
A28 AD22
A29 AD20
A30 GND
A31 AD18
Table A-16 PCI Bus Pin Assignments
Pin Signal
B1 -12 V
B2 No Connect
GND
No Connect
B5 Vcc
B6 Vcc
B7 PCIINT2-
B8 PCIINT4-
B9 No Connect
B10 Reserved
B11 No Connect
B12 GND
B13 GND
B14 Reserved
B15 GND
B16 PCLKE
B17 GND
B18 REQA-
B19 Vcc
B20 AD31
B21 AD29
B22 GND
B23 AD27
B24 AD25
B25 3.3 V
B26 CBE3-
B27 AD23
B28 GND
B29 AD21
B30 AD19
B31 3.3 V
Pin Signal
A32 AD16
A33 3.3 V
A34 FRAME-
A35 GND
A36 TRDY-
A37 GND
A38 STOP-
A39 3.3 V
A40 SDONE
A41 SBO-
A42 GND
A43 PAR
A44 AD15
A45 3.3 V
A46 AD13
A47 AD11
A48 GND
A49 AD9
A50 KEY
A51 KEY
A52 CBEO-
A53 3.3 V
A54 AD6
A55 AD4
A56 GND
A57 AD2
A58 AD0
A59 Vcc
A60 SREQ64-
A61 Vcc
A62 Vcc
Pin Signal
B32 AD17
B33 CBE2-
B34 GND
B35 IRDY-
B36 3.3 V
B37 DEVSEL-
B38 GND
B39 PLOCK-
B40 PERR-
B41 3.3 V
B42 SERR-
B43 3.3 V
B44 CBE1-
B45 AD14
B46 GND
B47 AD12
B48 AD10
B49 GND
B50 KEY
B51 KEY
B52 AD8
B53 AD7
B54 3.3 V
B55 AD5
B56 AD3
B57 GND
B58 AD1
B59 Vcc
B60 SACK64-
B61 Vcc
B62 Vcc