4 GiB RAM Blues

Henry Dubb henry.dubb at gmail.com
Sun May 9 17:49:41 UTC 2010


On Sun, May 9, 2010 at 12:35 PM, Amichai Rotman <amichai at iglu.org.il> wrote:

> Hi All,
>
> I recently upgraded my RAM from 2x1GiB to 2x2GiB of RAM.
>
> How do I make sure (K)ubuntu recognizes the whole amount?
>

from Mint KDE edition.

If you have more than 3.5GB of RAM, install the linux-generic-pae kernel for
your memory to be fully detected and used by the system.

>
> My Setup:
>
> An HP DX2300 Desktop running Kubuntu 8.04.3 LTS.
>
> I'd like to upgrade to 10.04 LTS, so I have tried both 32Bit and 64 Bit
> versions of the Kubuntu 10.04.
>
> 32Bit: Once loaded, I opened a Konsole window and typed 'top'  - gave my
> ~3500 total Kb total memory
> 64Bit: Same test gave my ~3200 Kb total memory...
>
> I don't get it.... How can the 64Bit show less?
>
> I told the computer store guy I'll check if it works on my machine and give
> it back in case it doesn't.
>
> BTW, the motherboard supports 667MHz maximum and the new DIMMs are 800MHz,
> but it does show a total of 4096MB running @ 667MHz.
>
> Can anyone help me make sure (K)ubuntu uses 4GiB RAM?
>
> Thanks!
>
> .:====================================================:.
>
> Amichai Rotman
>
> Registered Linux User#: 201192 [http://counter.li.org/]
> Registered Ubuntu User #12851 [http://ubuntucounter.geekosophical.net]
>
>
> ------------------------------------------------------------------------------------------------------------
> .:====================================================:.
>
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