GoTo ConnectorCONNECTORGoTo Main

CompactPCI (technical)

This section does not currently contain so much in depth information as I would like.

Since CompactPCI is based on PCI you should first refer to the PCI standard. This only explains the extensions CompactPCI specifies.

For a copy of the full CompactPCI standard, contact:

PCI Industrial Computer Manufacturers Group (PICMG)
c/o Roger Communications
301 Edgewater place
Suite 220
Wakewater
MA01880
Phone: 1-617-224-1100
Fax: 1-617-224-1239

Overview:

A CompactPCI system is composed of up to eight CompactPCI card locations:

The connector has 7 columns with 47 rows. They are divided into groups:

The following signals must be terminated:

The following signals must be terminated if used:

The following signals do no require a stub termination:

The System Slot board must pullup the following signals (even if not used):

Connector:

1 GND 5V -12V TRST# 12V 5V GND
2 GND TCK 5V TMS DO TDI GND
3 GND INTA# INTB# INTC# 5V INTD# GND
4 GND BRSV GND V(I/O) INTP INTS GND
5 GND BRSV BRSV RST GND GNT# GND
6 GND REQ# GND 3.3V CLK AD(31) GND
7 GND AD(30) AD(29) AD(28) GND AD(27) GND
8 GND AD(26) GND V(I/O) AD(25) AD(24) GND
9 GND C/BE(3)# IDSEL AD(23) GND AD(22) GND
10 GND AD(21) GND 3.3V AD(20) AD(19) GND
11 GND AD(18) AS(17) AD(16) GND C/BE(2)# GND
12 KEY KEY KEY KEY KEY KEY KEY
13 KEY KEY KEY KEY KEY KEY KEY
14 KEY KEY KEY KEY KEY KEY KEY
15 GND 3.3V FRAME# IRDY# GND TRDY# GND
16 GND DEVSEL# GND V(I/O) STOP# LOCK# GND
17 GND 3.3V SDONE SBO# GND PERR# GND
18 GND SERR# GND 3.3V PAR C/BE(1)# GND
19 GND 3.3V AD(15) AD(14) GND AD(13) GND
20 GND AD(12) GND V(I/O) AD(11) AD(10) GND
21 GND 3.3V AD(9) AD(8) M66EN C/BE(0)# GND
22 GND AD(7) GND 3.3V AD(6) AD(5) GND
23 GND 3.3V AD(4) AD(3) 5V AD(2) GND
24 GND AD(1) 5V V(I/O) AD(0) ACK64# GND
25 GND 5V REQ64# BRSV 3.3V 5V GND
26 GND CLK1 GND REQ1# GNT1# REQ2# GND
27 GND CLK2 CLK3 SYSEN# GNT2# REQ3# GND
28 GND CLK4 GND GNT3# REQ4# GNT4# GND
29 GND V(I/O) BRSV C/BE(7 ) GND C/BE(6)# GND
30 GND C/BE(5)# GND V(I/O) C/BE(4)# PAR64 GND
31 GND AD(63) AD(62) AD(61) GND AD(60) GND
32 GND AD(59) GND V(I/O) AD(58) AD(57) GND
33 GND AD(56) AD(55) AD(54) GND AD(53) GND
34 GND AD(52) GND V(I/O) AD(51) AD(50) GND
35 GND AD(49) AD(48) AD(47) GND AD(46) GND
36 GND AD(45) GND V(I/O) AD(44) AD(43) GND
37 GND AD(42) AD(41) AD(40) GND AD(39) GND
38 GND AD(38) GND V(I/O) AD(37) AD(36) GND
39 GND AD(35) AD(34) AD(33) GND AD(32) GND
40 GND BRSV GND FAL# REQ5# GNT5# GND
41 GND BRSV BRSV DEG# GND BRSV GND
42 GND BRSV GND PRST# REQ6# GNT6# GND
43 GND USR USR USR USR USR GND
44 GND USR USR USR USR USR GND
45 GND USR USR USR USR USR GND
46 GND USR USR USR USR USR GND
47 GND USR USR USR USR USR GND
Z A B C D E F

Signal Descriptions:

PRST

Push Button Reset.

DEG

Power Supply Status DEG

FAL

Power Supply Status FAL

SYSEN

System Slot Identification

Contributor: Joakim Ögren, Mark Sokos
Source: CompactPCI specifications v1.0 at CompactPCI's homepage
Mark Sokos PCI page
"Inside the PCI Local Bus" by Guy W. Kendall, Byte, February 1994 v 19 p. 177-180
"The Indispensible PC Hardware Book" by Hans-Peter Messmer, ISBN 0-201-8769-3
Info: CompactPCI - An Open Industrial Computer Standard article by Joseph S. Pavlat

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13