[vbox-dev] Can vbox run host bios?

Frank Mehnert Frank.Mehnert at Sun.COM
Sun Nov 30 21:05:29 GMT 2008


next time please open a new thread when you start a new subject. Don't
press 'Reply' in you mailing application.

Regarding your question:

On Sunday 30 November 2008, Huihong Luo wrote:
> I was wondering if vbox can use host bios directly? rather than the vbox
> specific version. 
> Is there any reason why host bios wouldn't work? if it's fully emulated, I
> guess it might work, right? 
> I am trying to migrate some physical machines to vbox vms, if host bios can
> be used, vm will be auto activated from most oem-ed machines.

This is theoretically possible but not that the VBox BIOS contains some
hooks making it easier to communicate with the VM. And using the host's
BIOS would not make much sense since the VM has different devices: All
guest devices are virtual devices provided by the VMM to the guest and
they have not much in common with the real devices. As the BIOS is quite
device-specific, a special BIOS is required to operate properly on the
virtual VBox devices.

Kind regards,

Dr.-Ing. Frank Mehnert    Sun Microsystems    http://www.sun.com/
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