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01 May 2011  
Hopalong X

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit

It is not necessary.

Your internal hard drive already has the proper Bios needed to make it work.

Installing a new Bios has a chance of not working properly. It results sometimes in the computer never working again.
So if you are not having a problem it is best to not upgrade the Bios.

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