Why doesnt all my memory show up?

twolves90

twolves90

New Member
Hello

I have 3 GBs of RAM in my rig, but only 2.93 shows...why is this? Did I possibly put the sticks in the wrong order?

I have 2 1GBs
and 2 512MBs
 
there may be some fault in them (all have it just like when you get a 160GB hd it only has 149GB) and your video driver may take some of it
 
Hi,

What kinda video card do you have? If it is on-board, then it could be that some of your memory goes to your card.

Zangetsu
 
It could just be the the normal amount of unaccessable RAM. The max amount a 32bit system can address is around the 3GB mark.
 
Windows XP supports 2GB per app thats running but 3GB is the total it will access. I've herd that windows shows memory in a strange way forgot what the reason is now but at 3 GB you have overspent on over kill more ram than your aps need does not speed it up only having less than required slows things down.
 
Yes 3GB will help in vista, but if you use the 32bit version you will probably have the same problem.
 
Actually 32 bit has the limitation of only being to address 3.25GB properly, 64 bit however I believe has a theoretical maximum of 128GB. Your BIOS may read 4GB however as this can handle 64 bit.
 
If you had a system that could actually take 128GB of RAM, then you would have the same problem as with 4GB. You would still have to fit the memory mapped IO somewhere. So it would be 128GB-0.75GB

128GB or 37 bit is a Windows limit (for now). The current CPUs can address more. Theoretical, 64 bit gives access to 2^64 = 16 exabyte
 
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