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.

Enhanced PCIe Precision Time Measurement (ePTM) ECR

The review period for the Enhanced PCIe Precision Time Measurement (ePTM) ECR will end at 5 p.m. (PT) on Monday, November 26, 2018. Any feedback should be sent to administration@pcisig.com.

1.8V Sideband, Power Loss Notification, USB 2.0, and Higher Power Support ECR

The review period for the 1.8V Sideband, Power Loss Notification, USB 2.0, and Higher Power Support ECR will end at 5 p.m. (PT) on Monday, November 12, 2018. Any feedback should be sent to administration@pcisig.com.

PCI Express M.2 Specification Revision 3.0, Version 1.2

The review period for the PCI Express M.2 Specification Revision 3.0, Version 1.2 will end at 5 p.m. (PT) on Monday, November 12, 2018. Any feedback should be sent to administration@pcisig.com.

Async Hot-Plug Updates ECR

The review period for the Async Hot-Plug ECR will end at 5 p.m. (PT) on Monday, November 12, 2018. Any feedback should be sent to administration@pcisig.com.

OCuLink Implementation ECR Revision 0.1

The review period for the OCuLink Implementation ECR Revision 0.1 will end at 5 p.m. (PT) on Monday, October 29, 2018. Any feedback should be sent to administration@pcisig.com.

Enabling Multiple Base Addresses per PCI Segment Group ECR

The review period for the Enabling Multiple Base Addresses per PCI Segment Group ECR will end at 5 p.m. (PT) on Monday, October 29, 2018. Any feedback should be sent to administration@pcisig.com.