Windows only seeing 3gb

shr3k · 2 Oct 2008 at 22:18

Hi guys,

I just bought 2x2gb OCZ Reaper ram from ocuk along with an nvidia 9500 1gb card and a logitech g25 steering wheel.

Installed xp 64 bit but it only sees 3gb ram?

CPU-Z is showing the 4gb though. Is this some kind of windows bug and i am actually using 4gb or am i ony, utilising 3gb at the moment.

Once this is sorted i can progress to overclcoking.

Thanks Shr3k

Picture:

Tetras · 2 Oct 2008 at 22:30

Might be a setting in the BIOS that you have overlooked, like PAE. What motherboard is it?

How much memory does CTRL ALT DEL show?

shr3k · 3 Oct 2008 at 09:15

Ctrl alt delete shows 4gb as does most benchmarking programs ect, its only the System Information that shows 3gb, even everest shows 4096mb....

Weird, it seams to use all 4gb when testing so i take it it uses the 4gb, just windows playing up lol

thegwa · 3 Oct 2008 at 11:17

Having recently gone to 4gb of ram myself I'm unsure what operating system to use. I use my computer solely for games...

My spec is:
4gb of Corsair Dominator
Q6600
Asus P5E X38
Radoen 4870

I'm currently using XP but unsure whethor I should move to either Vista64 or XP64...

Bossk128 · 3 Oct 2008 at 14:24

You may want to smear out the license info on your system properties page.

Clowned · 3 Oct 2008 at 15:21

Bossk128 said:
You may want to smear out the license info on your system properties page.

Why whats that number used for?

Bossk128 · 3 Oct 2008 at 16:11

Clowned said:
Why whats that number used for?

I've absolutely no idea, but most pics I've seen smear it out.

TheRedZealot · 3 Oct 2008 at 16:54

Are you using 32bit vista?

mdjmcnally · 3 Oct 2008 at 17:41

It's 64 bit XP Pro.

Likely to be the Graphics card hogging the memory space. There should be a BIOS setting to sort out.

Ch3m1c4L · 4 Oct 2008 at 13:48

it should say "Physical Address Extension" below the CPU/RAM info on that page if you have it turned on. I'd go into BIOS and turn on PAE and then it should display properly

Major_Disaster · 4 Oct 2008 at 13:49

Yeah. Have a poke around in the BIOS for PAE and report back.

shr3k · 5 Oct 2008 at 22:48

Looked in bios havnt got PAE,

Had a little mess arroud with fsb stuck that to 152 and running smoothly at 3.04ghz stable according to prime so will look at o/cing after i sort this problem

bledd · 6 Oct 2008 at 13:19

how much does it say in winver?

start, run,
winver

what board is it? my work pc did the same, until i updated the bios

shr3k · 6 Oct 2008 at 13:30

3,144,944mb in winver

helmutcheese · 6 Oct 2008 at 13:33

TheRedZealot said:
Are you using 32bit vista?

LOL

esK` · 6 Oct 2008 at 13:42

i have to agree with cheese...

LOL

Bizarre · 6 Oct 2008 at 13:55

Tetras said:
What motherboard is it?

^^

Is there a memory remapping option in the bios? If so, try disabling (or enabling) it.

bledd · 6 Oct 2008 at 14:06

bledd. said:
what board is it? my work pc did the same, until i updated the bios

shr3k · 6 Oct 2008 at 15:53

sorry its a asrock 4coredual vsta

Rroff · 6 Oct 2008 at 16:18

You won't find PAE in BIOS - its a windows flag - should be automatic but google how to enable it using msconfig and the boot.ini tab.

You may need to enable memory remapping in the BIOS tho - the exact option and if theres even an option for your motherboard depends on the model.