Tom's Hardware > Forum > Windows Vista > Configuration & Customize > Installing ram on 32 bit Vista (home premium)

Installing ram on 32 bit Vista (home premium)

Forum Windows Vista : Configuration & Customize - Installing ram on 32 bit Vista (home premium)

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Pershing121   12-10-2008 at 02:35:46 AM

Is it true it only takes 3.25gb out of 4gb and wont let you utilize the whole ram? Is this also true on windows xp or is it a vista thing?

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notherdude   12-10-2008 at 02:57:21 AM
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Vista and XP both. It's a basic OS limitation on 32 bit. There are workarounds but MS choose not to use them on consumer level OS because of stability issues. The solution is 64 bit.

The exact amount could be anywhere from 2 gig of usable ram up to 3.5 gig, depending.

------------------------------ tehhardpro wrote :


notherdude u have an old hand. Having an old hand doesnt make sence. Cuz its old. get a new one.. seems like ur hand doesnt understand what it is writing. So placve it in ur rig instead of vista human orgnoids will amke more sense
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Pershing121   12-10-2008 at 08:58:06 AM
- 0 +

also, does it matter if I use identical modules to my two already in my system (same exact brand of ram) for it to work dual channel twice (I already have two 1 gig sticks working dual channel and need two more to also work dual channel)?

And, would it matter if I use different speed ram in there as well beside brand?

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pat mcgroin   12-10-2008 at 12:11:41 PM
- 0 +

Make the next two new sticks the same. Your first two are fine.
Dual channel needs matched pairs. Just make sure that the new pair is put in the same color slots. Say for example the 2 old ones in brown and the 2 new in orange.

As for the speed, you can buy faster ones (for the future) but they will run at the speed of the slowest.
Buy with brand quality in mind.

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