Badgerballs
Contributor
Contributor

4GB RAM needs 64bit OS

I am have installed 4GB RAM into my Vostro and just discovered it is 600 MBish short because 32bit Vista Business cannot address it. I have to upgrade to Vista 64. No problem but will I experience any known issues using WinXP, Server2003/2008 or linux with VM Workstation 6?. The question is I suppose do I live with less RAM or head into unknown territory.

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devzero
Expert
Expert

I am have installed 4GB RAM into my Vostro and just discovered it is 600 MBish short because 32bit Vista Business cannot address it. I

It´s not only a matter of OS but also a matter of Chipset/Bios.

Many of the Chipset which support 4GB only let you use an smaller amount. For example, i915G gives you only ~3,25GB maximum, even if you have 4GB plugged in physically