Vista 64 bit to XP Pro 32 bit

If this is the wrong Forum, please re-direct me.

I have been gifted with a Gateway P-173XFX, 64 bit Vista Ultimate, 4GB RAM.

Can I put 32 bit XP Pro on this? I am familiar with older laptops and can understand driver utilities. The following Gateway site offers this BIOS update. It also offers
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http://support.gateway.com/support/drivers/search.asp?st=pn&param=2906087R

9539578.exe - Godzilla BIOS Update Version 94.28
Supports: Windows Vista (32-bit), Windows XP

D20126-001-002.exe - Chipset Driver version: 8.2.0.1014
Supports: Windows Vista (64-bit), Windows Vista (32-bit), Windows XP
Note: This file contains the Windows XP Tablet and Windows Vista (32-bit or 64-bit) chipset driver for the computer models and components listed below.
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Video drivers and webcam downloads are for Vista 64 and 32 bit only.

So, if this isn't going to work, will Ubuntu work?

Any and all comments welcome, Thanks