Added information about SGI Altix Architecture Considerations for Linux Device Drivers for SGI ProPack 4 for Linux Service Pack 2 release (or later), which supersedes this manual, and Linux Device Drivers, third edition, by Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman, February 2005 (ISBN: 0-596-00590-3) in Chapter 1, “Introduction”,

Corrected pgprot_noncached() macro code example in “PCI-X Memory Resource Address” in Chapter 7.