Windows 7 XP Mode Won’t Run on All Intel and AMD chips (May 7, 2009) — Microsoft’s new Windows 7 XP mode is designed to enable users to run both operating systems on the same machine, but some business and consumer users are not able to take advantage of the option.

amdSome processors of Advanced Micro Devices do not support Windows 7 “XP mode” though, like Intel, the vast majority of shipping processors do support XP mode.

Microsoft describes XP mode on its Web site as follows: “As part of the upcoming Windows 7 Release Candidate milestone, Microsoft will release a beta version of Windows XP Mode, which allows users of Windows 7 Professional and above to launch many older Windows XP productivity applications directly from their Windows 7 desktop. The Windows XP Mode stand-alone feature is specifically designed to help small businesses that are using Windows XP applications move to Windows 7. For larger businesses, Microsoft Enterprise Desktop Virtualization (MED-V) MED-V 2.0 builds on top of Windows Virtual PC and provides centralized management of Windows XP Mode. MED-V 2.0 will be available in beta within 90 days of general availability of Windows 7.”

“All CPUs AMD is currently shipping, except Sempron, include AMD-V and therefore support XP mode,” an AMD spokeswoman said Wednesday.

AMD also cited processors that are not necessarily shipping currently. “With the exceptions of Sempron-branded processors and Turion K8 Rev E processors, all notebook processors shipped by AMD include AMD-V and therefore support Windows 7 XP mode,” AMD said.

“With the exceptions of Sempron-branded processors and pre-Rev F Athlon branded processors, all of the desktop processors shipped by AMD include AMD-V and therefore support Windows 7 in XP mode.”

And Opteron processors: “Also, all AMD Opteron processors shipped by AMD from Rev F forward include AMD-V,” according to AMD.

The Circuits Blog post cited Intel processors that do not support XP mode. Intel spokesman Nick Knupffer asserts this won’t be a big issue. “Having VT on these consumer laptops is not going to be an issue–because the consumer versions of Windows 7 do not include Windows XP Mode,” he writes.

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