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Sarah Chronicles

Copyright (C)2008-2009 Sarah Chana Mocke. You may republish this material as long as explicit credit is given to the author.

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The Mystery of Hyper-V's Limit Processor Functionality? (Part 3 - Officially)
I found out a bit more from the product group. It seems some legacy operating systems, like Windows NT 4.0, bugcheck if they perform a CPUID and have more than three leafs returned. The checkbox is there to allow us to try and get them working. So I was Read More...
The Mystery of Hyper-V's Limit Processor Functionality? (Part 2 - Final)
In this post I discuss how you can determine: 1. If your operating system is running on a hypervisor, 2. The processor feature differences presented for an operating system running directly on hardware versus a parent partition operating system on a hypervisor, 3. The processor feature differences presented for a child partition operating system running without LPF set versus one that does. Read More...
The Mystery of Hyper-V's Limit Processor Functionality? (Part 1)
Recently I became rather intrigued with Hyper-V's Limit Processor Functionality (LPF) function. One little checkbox became such an obsession that I start wasting hours of my time trying to find out exactly what it does. The dialogue says, "Limit processor Read More...