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Feb 27th, 2007
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Newly installed RAM does not work

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Hi,

I have Dell Preceision 690 with 2gb RAM. I bought additonal 1gbX2 ram from Dell which are supposed to be compatible to this machine. When I install new RAM, system shows total of only 3gb instead of 4gb ram. In Bios set up also installed memory is shown as 3gb where as in BIOS, under size column I am able to see new RAMs as Rank 2.
Any suggestions what could possibly wrong here?

Thanks,
S
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shrikantm4u is offline Offline
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Feb 27th, 2007
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Re: Newly installed RAM does not work

does bios show all 4 gigs of ram?
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Monte is offline Offline
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Feb 27th, 2007
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Re: Newly installed RAM does not work

On bios screen, on the top line Installed Memory is shown as 3gb and under tabular view, Size column lists 4gb including new 2 1gbs.
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shrikantm4u is offline Offline
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Feb 27th, 2007
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Re: Newly installed RAM does not work

Sounds like a memory hole problem. Check BIOS settings. I would call Dell Customer Support and ask them because it's different on every motherboard.
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Monte is offline Offline
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Feb 27th, 2007
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Re: Newly installed RAM does not work

I talked to Dell and they could not suggest anything on this part. so I thought I could check on this forum.
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shrikantm4u is offline Offline
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Mar 6th, 2007
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Re: Newly installed RAM does not work

Windows XP will not show more than 3.something gigs of ram due to architecture limitations.
You need to use Vista or *nix/BSD for true support of 4Gb although I believe there is a reg tweak to allow XP to see all 4 gig.
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szukalski is offline Offline
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Mar 6th, 2007
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Re: Newly installed RAM does not work

windows server (but not so much datacenter and enterprise) also have issues adressing large amounts of ram
Last edited by jbennet; Mar 6th, 2007 at 8:23 am.
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This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
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