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Does anyone know of a way to set the default bios options of a virtual machine in ESX1 (4.1). Every time I create a new VM, I need to go into the bios and set the Num Lock in the bios. I was hoping to make it so that each time I created a VM, regardless of OS, the num lock was on.

Anyone know where ESXi gets the default bios options from and how to modify it?

Thanks in advance, Rich

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3 Answers 3

Reset to default
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Great question...

I have not tested this, but the nvram file is what keeps the bios settings. If you save off a copy of one that you have edited, and place it in your new VM folder, it should work.

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  • Thanks, I'll give that a try. That file looks to be binary. Is there anything else that is stored in there that would be machine specific?
    – dotnetgeek
    Mar 6, 2011 at 1:33
  • Nope, just bios.
    – JakeRobinson
    Mar 7, 2011 at 4:23
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Please take a look at What Files Make Up a Virtual Machine You will find all your answers here.

Also try this tool ( VM Tweaker). Its a .vmx editor and you can change your bios using VM Tweaker plus other cool stuff.

HTH

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  • thanks, I will take a look at VM Tweaker. And assuming I can have a nvram file I can drop in any time I will be good, I was really hoping to find the location of the default nvram file that is probably stored somewhere in the file system of the console.
    – dotnetgeek
    Mar 7, 2011 at 21:15
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We set numlock status in our templates -- windows machine will override BIOS setting based upon setting stored in the registry.

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