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 ECNs 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.

PCI Express Base Specification Revision 5.0, Version 0.9

The review period for the PCI Express Base Specification Revision 5.0, Version 0.9 will end at 5 p.m. (PT) on Monday, February 11, 2019. Any feedback should be sent to administration@pcisig.com.

_HPX and PCIe Completion Timeout Related _OSC Enhancements ECR

The review period for the _HPX and PCIe Completion Timeout Related _OSC Enhancements ECR will end at 5 p.m. (PT) on Monday, February 11, 2019. Any feedback should be sent to administration@pcisig.com.

Downstream Port Containment Related Enhancements ECR

The review period for the Downstream Port Containment Related Enhancements ECR will end at 5 p.m. (PT) on Monday, January 14, 2019. Any feedback should be sent to administration@pcisig.com.

PCI Express M.2 Specification Revision 4.0, Version 0.3

The review period for the PCI Express M.2 Specification Revision 4.0, Version 0.3 will end at 5 p.m. (PT) on Thursday, January 10, 2019. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture Configuration Space Test Specification Revision 4.0, Version 0.7​

The review period for the PCI Express Architecture Configuration Space Test Specification Revision 4.0, Version 0.7 will end at 5 p.m. (PT) on Wednesday, January 2, 2019. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture Link Layer and Transaction Layer Test Specification Revision 4.0, Version 0.7​

The review period for the PCI Express Architecture Link Layer and Transaction Layer Test Specification Revision 4.0, Version 0.7 will end at 5 p.m. (PT) on Wednesday, January 2, 2019. Any feedback should be sent to administration@pcisig.com.

PCI Express Architecture PHY Test Specification Revision 4.0, Version 0.7​

The review period for the PCI Express Architecture PHY Test Specification Revision 4.0, Version 0.7 will end at 5 p.m. (PT) on Wednesday, January 2, 2019. Any feedback should be sent to administration@pcisig.com.