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Hyper-V (2008) Microsoft: x86-64 with Intel VT-x or AMD-V: x86-64, x86 (up to 8 physical CPUs) Windows Server 2008 w/Hyper-V role, Microsoft Hyper-V Server Supported drivers for Windows 2000, Windows 2003, Windows 2008, Windows XP, Windows Vista, FreeBSD, Linux (SUSE 10 released, more announced) Proprietary: Hyper-V (2012) Microsoft
x86 virtualization is the use of hardware-assisted virtualization capabilities on an x86/x86-64 CPU.. In the late 1990s x86 virtualization was achieved by complex software techniques, necessary to compensate for the processor's lack of hardware-assisted virtualization capabilities while attaining reasonable performance.
Hyper-V uses the VT-x on Intel or AMD-V on AMD x86 virtualization. Since Hyper-V is a native hypervisor , as long as it is installed, third-party software cannot use VT-x or AMD-V. For instance, the Intel HAXM Android device emulator (used by Android Studio or Microsoft Visual Studio ) cannot run while Hyper-V is installed.
System requirements for Windows Virtual PC: [35] [36] Computer running Windows 7 (all editions except Starter) 15 GB of hard disk space per virtual Windows environment; Optional: if the processor supports hardware-assisted virtualization technology such as AMD-V or Intel-VT, it will be used. Before March 19, 2010, such a processor was mandatory.
Windows Server 2008 R2 SP1 with Hyper-V requires a hotfix to support AMD AVX (Opteron 6200 and 4200 series) processors, KB2568088; Windows XP and Windows Server 2003 do not support AVX in both kernel drivers and user applications.
In 2005 and 2006, Intel and AMD (working independently) created new processor extensions to the x86 architecture called Intel VT-x and AMD-V, respectively. On the Itanium architecture, hardware-assisted virtualization is known as VT-i. The first generation of x86 processors to support these extensions were released in late 2005 early 2006:
Shared Level 3 Cache, 128-bit floating point units, AMD-V Nested Paging virtualization, and HyperTransport 3.0 are introduced. Barcelona was the first design which implemented it. AMD Family 11h – combined elements of K8 and K10 designs for Turion X2 Ultra / Puma mobile platform. AMD Fusion Family 12h – based on the 10h/K10 design.
The Athlon 64 X2 is the first native dual-core desktop central processing unit (CPU) designed by Advanced Micro Devices (AMD). It was designed from scratch as native dual-core by using an already multi-CPU enabled Athlon 64, joining it with another functional core on one die, and connecting both via a shared dual-channel memory controller/north bridge and additional control logic.