8 gig ram

I got new pc has 4 slots on mother board. I have installed 4 by 2 gig memory chips.
However all I got is 2.98GB of ram...

Any explanation?
any thing I have to do with bios?

Thanks in advance...
ethar1Asked:
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wjesterCommented:
What tells you this amount of ram - the BIOS or the O/S??
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ethar1Author Commented:
os
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wjesterCommented:
Check the BIOS when you boot (by pressing F2 or [del] or whatever) and see if it reports the correct amount of RAM. What O/S are you using??
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debuggerauCommented:
Did you get XP or Vista? This is will make a difference...
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michkoCommented:
You didn't list what OS you're running.  From your issue, sounds as though you're running Win XP.  The issue of XP maxing out around 3.0 GB ram has been addressed a few times here.  Essentially XP 32-bit won't see more ram than that - see the below link for a more detailed explanation (and links to additional information):
http://www.experts-exchange.com/OS/Miscellaneous/Q_22903422.html?sfQueryTermInfo=1+3+gb+onli+ram+win+xp

If you are running a 64bit OS, then boot into your bios and see how much ram is visible there.
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ethar1Author Commented:
windows xp ,
asper to dll I can add 8gb
is it os limitation?
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firehazrdCommented:
You need a 64 bit operating system to run more than 3gb of ram

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ethar1Author Commented:
Is there are 64 for windowsxp?
anything else need to be changed if I upgrade to 64bit base?
I means all my software run as supposed?


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firehazrdCommented:
Yea there is a 64 bit windows xp and your software will run...
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ethar1Author Commented:
thnx
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MarkCommented:
Your 32 bit software will run as long as the installer for that program is 32 bit, and not 16 bit. A lot of the older applications came with a 16 bit installer and 16 bit is not supported in XP 64or Vista 64.
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firehazrdCommented:
if it becomes an issue you can run vmware
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