Ubuntu 9.1 Only Sees 244 MB RAM, while BIOS and Windows Sees 1.5 GB

Posted by nicorellius on Super User See other posts from Super User or by nicorellius
Published on 2010-06-15T00:28:48Z Indexed on 2010/06/15 0:33 UTC
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ubuntu-9.10

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memory

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ram

I have 1.5 GB of RAM installed on an older Dell, Pentium 4. I just installed Ubuntu 9.1 and the system is only seeing 244 MB of RAM, even though there is 1.5 GB on the system. The BIOS sees all of it. I ran a Knoppix disc and it only saw 25 MB upon booting.

I made no particular changes to the installation taht would affect this. I looked through the BIOS and the only setting I could see was the AGP aperture. Not even sure what this is.

Anyone know where I went wrong?

I also tried moving the memory modules around on the board. Booted with the 1 GB stick, still saw 244 MB.

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