PCI Local Bus Specification
Revision 3.0
June2002JuneDecember5February 3,2004328,2002
PCI LOCAL BUS SPECIFICATION, REV. 3.0 PCI SPECIFICATIONS
VOLUME 1 PCI -SIG
PCI LOCAL BUS SPECIFICATION, REV. 1.13.0
2
REVISION REVISION HISTORY DATE
1.0 Original issue. 6/22/92
2.0 Incorporated connector and add-in card specification. 4/30/93
2.1 Incorporated clarifications and added 66 MHz chapter. 6/1/95
2.2 Incorporated ECNs and improved readability. 12/18/98
2.3 Incorporated ECNs, errata, and deleted 5 volt only keyed
add-in cards.
3/29/02
3.0 Incorporated ECNs, errata, and Rremoved support for the
5.0 volt keyed system board connector. Moved the
Expansion ROM description to the PCI Firmware
Specification.
212/305/
043
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PCI LOCAL BUS SPECIFICATION, REV. 3.0 PCI SPECIFICATIONS
PCI-SIG III
PCI LOCAL BUS SPECIFICATION, REV. 1.13.0
3
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Copyright © 1992, 1993, 1995, 1998, 200432 PCI-SIG Special Interest Group
PCI LOCAL BUS SPECIFICATION, REV. 3.0 PCI SPECIFICATIONS
VOLUME 1 PCI -SIG
PCI LOCAL BUS SPECIFICATION, REV. 1.13.0
4
PCI LOCAL BUS SPECIFICATION, REV. 3.0 REVISION 2.3
13
Preface
Specification Supersedes Earlier Documents
This document contains the formal specifications of the protocol, electrical, and mechanical
features of the PCI Local Bus Specification, Revision 2.33.0, as the production version effective
March 29December 19February 3, 200432. The PCI Local Bus Specification, Revision 2.23,
issued December 18March 29, 19982002, is not superseded by this specification. For
compliance information and schedules, refer to the PCI-SIG home page at
http://www.pcisig.com.
Following publication of the PCI Local Bus Specification, Revision 3.02.3, there may be future
approved errata and/or approved changes to the specification prior to the issuance of
another formal revision. To assure designs meet the latest level requirements, designers of
PCI devices must refer to the PCI-SIG home page at http://www.pcisig.com for any
approved changes.
Incorporation of Engineering Change Notices
(ECNs)
The following ECNs has have been incorporated into this production version of the
specification:
ECN Description
System Board Connector Removed support for the 5 volt keyed system board
PCI connector
MSI-X Enhanced MSI interrupt support
