PCI Express

PCI Express: Performance Scalability for the Next Decade

PCI Express Review Archive

PCI-SIG Member benefits include the ability to influence the direction of PCI I/O Technology, review draft specifications, and participate in the ECR/ECN process. 

This page is an archive of documents that completed their review period. For the final released specifications and ECNs, please visit the PCI Express Specifications page. 

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 3.0 Architecture Platform Init/Config Test Specification Revision 0.7

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

Errata for the PCIe 3.0 Base Specification

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 3.0 Architecture Configuration Space Test Specification Revision 0.7

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 2.0 Mini Card Electromechanical Specification Revision 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 3.0 CEM Specification Revision 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 3.0 Architecture PHY Test Specification Rev 0.5

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 3.0 Platform BIOS Test Specification Rev 0.5

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 3.0 Configuration Test Specification Rev 0.5

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

Errata for the PCI Express Base Specification 2.1

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Card Electromechanical Draft Specification 3.0 Rev 0.7

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Base 3.0 Draft Specification 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Code & ID Assignment Draft Specification 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Base 3.0 Draft Specification 0.71

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Transaction Layer Test Specification 3.0 Draft Version 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture PHY Test Specification 3.0 Draft Version 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Link Layer Test Specification 3.0 Draft Version 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Platform Init/Config Test Consdierations 3.0 Draft Version 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Configuration Space Test Specification 3.0 Draft Version 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Base 3.0 Draft Specification 0.7

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express External Cabling Draft Specification 2.0 Rev 0.5

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Card Electromechanical Draft Specification 3.0 Rev 0.5

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Configuration Space Test Specification Rev 2.0a

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.


PCIe 2.1 Base Draft Specification

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Base 3.0 Draft Specification 0.5

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Card Electromechanical Draft Specification 3.0 Revision 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express External Cabling Specification 2.0 Revision 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Label Specification and Usage Guidelines 1.1

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Base 3.0 Draft Specification 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Transaction Test Specification 2.0 Draft Version 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Link Test Considerations 2.0 Draft Revision 0.9 

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture Configuration Space Test Specification 2.0 Draft Version 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Architecture PHY Test Specification 2.0 Draft Revision 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCIe 225W/300W High Power Card Electromechanical 0.9 Draft Specification

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 225W/300W Graphics Card Electromechanical Specification Revision 0.7 Draft

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 225W/300W Graphics Card Electromechanical Specification Revision 0.5 Draft

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 2.0 Card Electromechanical Specification Revision 0.9
 

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express External Cabling Specification Revision 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 2.0 Card Electromechanical Specification Revision 0.7
 

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

 

PCI Express 2.0 Base Specification Revision 0.9

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.
 

 

PCI Express 225W/300W Graphics Card Electromechanical Specification Revision 0.3 Draft

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 2.0 Card Electromechanical Specification Revision 0.5

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express 2.0 Base Specification Revision 0.7a

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.
 

PCI Express External Cabling Specification Revision 0.7

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

Errata for the PCI Express Base Specification 1.1

PCI Express 2.0 Card Electromechanical Specification Revision 0.3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

PCI Express Wireless Form-Factor .3

THIS IS A DRAFT SPECIFICATION ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THIS DRAFT SPECIFICATION IS PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES.

Draft ECNs:

PCI Class Code and ID Assignment Draft ECN
PCIe Device Labeling under Operating Systems Draft ECN
Class Code & Capability Extraction Draft ECN
Protocol Multiplexing Draft ECN
End-End TLP Prefix Changes for RCs draft ECN
ACPI Additions for ASPM, OBFF, LTR Draft ECN
CEM Support Power Draft ECN
Update DMTF SM CLP Specification References Draft ECN 
UEFI PCI Services Update Draft ECN
UICC Inter-Chip USB Interface Draft ECN
ASPM Optionality Draft ECN
Display-Mini Card (DMC) Definition Draft ECN
Mini-Card PCIe 2.0 Update Draft ECN
Optimized Buffer Flush/Fill Draft ECN
System Board Eye Height Draft ECN
TLP Prefix Draft ECN
TLP Processing Hints Draft ECN
Extended Tag Support Enabled (by default) Draft ECN
Latency Requirement Reporting Draft ECN 
ID-Based Ordering Draft ECN
Dynamic Power Allocation Draft ECN
Resizable BAR Capability Draft ECN
Opaque Processing Hint Draft ECN
Internal Error Reporting Draft ECN
Multicast Draft ECN
Atomic Operations Draft ECN
Alternative Routing-ID Interpretation (ARI) draft ECN
Connector Without Ridge for PCI Express CEM Revision 1.1
PCI Express Access Control Services (ACS) Draft ECN
Power Limit Re-definition Draft ECN
Function Level Reset (FLR) Draft ECN
Completion Timeout Control Capability Draft ECN
Capability Structure Expansion Draft ECN
Jitter Draft ECN
PCI Express Base PCI Bus Power Management Draft ECN