Re: Grub.conf and maximum memory

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Date: Fri, 2 Jul 2004 20:19:19 -0500

ohaya <ohaya@cox.net> wrote:

> Hi,
>
> I currently have 128MB in my Linux machine, and I just got another 256MB
> stick. I ran a memory test on the new stick, and it appears to have
> problems above 128MB (it's low-density, and the PC recognizes the full
> 256MB with just this new stick, so I know it's the correct memory type).
>
> While I'm waiting to get a replacement, I was wondering if I could tell
> Linux to only use 256MB (128MB from old stick + 128MB from new stick)?
>
> I've done some searching, and it seems like I can do this by adding
> "mem=256" to the "kernel" line in /boot/grub/grub.conf.
>
> What I'm wondering is: If I do that, and if it causes a problem and
> prevents the machine from booting, how can I boot into Linux to re-edit
> grub.conf to get rid of the 'mem=256'?
>
> Thanks,
> Jim

Could you have accidentally put the new stick in the second slot of bank
one? IIRC mismatched sticks in the same bank can cause errors like you
are describing. Did you run the mem test with ONLY the new stick
installed?

ARS

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