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vista x64 only shows 3.2GB

Forum Motherboards & Memory : Memory - vista x64 only shows 3.2GB

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o3vegeta   11-22-2007 at 05:55:51 PM

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

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yamla   11-22-2007 at 06:31:40 PM
- 0 +

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.

Reply to yamla
niz   11-22-2007 at 06:32:09 PM
- 0 +

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?


Message edited by niz on 11-22-2007 at 06:33:33 PM
Reply to niz
loneeagle   11-22-2007 at 06:42:54 PM
- 0 +

Here the patch.

http://support.microsoft.com/kb/929777/en-us

1) I would first remove sticks to get less than 4GB.
2) Reboot and install the patch.
3) Restart Windows.
4) Shutdown.
5) Install RAM.
6) Reboot.

Reply to loneeagle
o3vegeta   11-22-2007 at 06:49:18 PM
- 0 +

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

Reply to o3vegeta
yamla   11-22-2007 at 07:03:59 PM
- 0 +

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.

Reply to yamla
loneeagle   11-22-2007 at 07:05:17 PM
- 0 +

Yes, I have this MB too. :) Look at all possible places. Can't remember where too. :(

Reply to loneeagle
o3vegeta   11-22-2007 at 07:29:50 PM
- 0 +

ok, installed the patch and enabled the remapping.

i have full 4GB now :)

thank you all very much :hello:

Reply to o3vegeta
loneeagle   11-22-2007 at 08:01:40 PM
- 0 +

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!

Reply to loneeagle
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