Review Zone

PCI Express Specifications and ECRs for Review
PCI-SIG members can influence PCI technology development by submitting engineering change requests (ECRs) as well as reviewing and commenting on draft specifications, ECRs and engineering change notices (ECNs). Members should check the Review Zone regularly for new postings.

Specification and ECRs currently under review are listed below. PLEASE NOTE: THESE ARE DRAFT SPECIFICATIONS ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THESE DRAFT SPECIFICATIONS ARE PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES. For a list of documents with completed review cycles, visit the PCI Express Review Archive

Additional information on the ECR/ECN process can be found in the Procedures Center.

Documents for Review
Submit review feedback on all documents below to administration@pcisig.com by the designated review period deadline.

M.2 Socket-1 Enhancements ECR

The review period for this document will end at 5 p.m. (PT) on Monday, May 25, 2020. Any feedback should be sent to administration@pcisig.com.

High Power M.2 Heat Spreader ECR

The review period for this document will end at 5 p.m. (PT) on Monday, May 25, 2020. Any feedback should be sent to administration@pcisig.com.

PCI Express M.2 Specification Revision 4.0, Version 0.7

The review period for this document will end at 5 p.m. (PT) on Monday, April 27, 2020. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture PHY Test Specification Revision 5.0, Version 0.3

The review period for this document will end at 5 p.m. (PT) on Monday, April 27, 2020. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture Link Layer and Transaction Layer Test Specification Revision 5.0, Version 0.3

The review period for this document will end at 5 p.m. (PT) on Monday, April 27, 2020. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture Configuration Space Test Specification Revision 5.0, Version 0.3

The review period for this document will end at 5 p.m. (PT) on Monday, April 27, 2020. Any feedback should be sent to administration@pcisig.com.

Cin Maximum Increase ECR

The review period for this document will end at 5 p.m. (PT) on Monday, May 4, 2020. Any feedback should be sent to administration@pcisig.com.