IIRC, the BIOS and video RAM will not have to map into the 4GB address space (in 64-bit). He will have the whole address space for RAM.
Bobby -----Original Message----- From: hardware-boun...@hardwaregroup.com [mailto:hardware-boun...@hardwaregroup.com] On Behalf Of Gary VanderMolen Sent: Thursday, April 29, 2010 8:23 PM To: hardware@hardwaregroup.com Subject: Re: [H] Win7 Ent 32-bit vs 64-bit? Since the OP only has 4.0GB, how will that help him? Gary VanderMolen, Microsoft MVP (Mail) -----Original Message----- Go for 64bit and use all memory.....no reason not to.