vista x64 only shows 3.2GB

o3vegeta

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Nov 21, 2006
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hello,

i have a P5WDH- deluxe and in the bios it detects my full 4GB but allocates 800MB to other recources and said that only 3.2 is usable.

everest also says that the 4 banks are in use and it shows 1024MB on each bank.

as you see from the title i use vista ultimate x64

can someone please help as this drives me crazy.

i do not find other threads with this problem so sorry if i didn't found one.

i also tried google but it only gives me the x86 related 4GB problems(which i know does not work) but this is the reason i use vista 64 so i could use the full 4 GB
 

yamla

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Nov 10, 2006
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You need to enable memory remapping in your BIOS. In some BIOS's, you need to go to the advanced settings, sometimes via CTRL-F1. What motherboard do you have?

Note that you will want to make sure you have installed the vista-64 patch BEFORE changing your BIOS settings. I forget which one you are looking for but it's the one that prevents blue-screening when you have 4 GB or more of RAM in Vista-64.
 

niz

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Where are you getting the amount of memory figure from?
Is it saying there is 3.2gb free, or do you mean you actually have about 2.7GB free in vista?
 

o3vegeta

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in vista i have 3.2GB available.
i have a asus P5WDH
my bios said that it allocates 800MB to other recources and i dont find this memory remapping.
i will also try the patch
 

yamla

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Look again, that motherboard definitely has a function to enable memory remapping. Take a look in Advanced - Chipset or something. If you can't find it, search Google. Vista64 won't show all 4 GB until you enable this and it is definitely there.
 

LoneEagle

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You can also try to reduce your Virtual Memory (Swap File) to something like 512MB. It's what I did and working fine. No need to slowdown your experience by using the HD! :) 4GB is really great!
 

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