Address Translation Services

PCI-SIG I/O Virtualization (IOV) Specifications, in conjunction with system virtualization technologies, allow multiple operating systems running simultaneously within a single computer to natively share PCI Express^® devices. The Address Translation Services (ATS) specification provides a set of transactions for PCI Express components to exchange and use translated addresses in support of native I/O Virtualization.

Members-only Download

Address Translation Services 1.1 Specification

• Download the Address Translation Services 1.1 specification (473k PDF) 

Address Translation Services 1.0 Specification

• Download the Address Translation Services 1.0 specification (352k PDF) 

 Members and Non-Members Download:

• Download the Address Translation Services 1.0 Specification Errata (108k PDF)
• Download the PASID Translation ECN (235k PDF) to the Address Translation Services 1.1 specification [Duplicate - Download also available on the PCI Express 3.0 Specifications & ECNs web page]
• Download the companion Process Address Space ID ECN (216k PDF) to the PCI Express Base 3.0 Specification [Duplicate - Download also available on the PCI Express 3.0 Specifications & ECNs web page]