Why HP advises against the use of virtualization (AMD - V)

I have the HP dm1, which is kind of a netbook. It comes with 64-bit AMD e-450 (a low-power CPU clocked at 1.6 Ghz dual core). Windows 7 starter edition is installed by default. I did a dualboot with Linux 64-bit Kubuntu. the two operating system seem to work well.

In any case I do some tests in virtualbox and a 64-bit image requires this funciton (AMD - V) .with virtualisaiton this virtual machine can access CPU directly (rather than through software).

However, I noticed in the bios HP recommends to avoid using it unless you use the software drive (i.e. the Oracle virtualbox). I wonder why HP advises against the use of this function? This is for security reasons? Is this because windows 7 starter edition can not handle? Or it may degrade faster hardware? or is it because of the possible extra power drain (although I have not noticed this).

I ask because I have no such warning in BIOS of my office mashcine.

With AMD - V active for some reason probably does increase the risk of a virus by getting direct access to the CPU. The warning is for people who wander in the BIOS and tinkering without really knowing what they are doing, to prevent consumption machines.

Tags: Notebooks

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