[ltp] R40 Memory Upgrade
William Harrington
linux-thinkpad@linux-thinkpad.org
Fri, 15 Jul 2005 13:14:04 -0500
On Fri, 15 Jul 2005 19:52:39 +0200
Frederic Gaus <mailinglists@necroshine.de> wrote:
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> Hi folks!
>
> I recently bought a pc2700 1gb ram for my thinpad r40. I already have a
> 512 MB pc2100 inside, but I thought they would be compatible.
>
> But starting with both chips inside, my machine only uses 1gb (in fact,
> "free" writes 904932 Byte of total memory, why?). Further on, the
> pcmcia-socket0 could not be initialized.
>
> Using only one chip (never mind which one) everything works perfectly.
> What do you think? Should I use "advanced memory detection" function
> offered by my bios? It says, modern operating systems won't need it.
>
> Thanks for your help
>
> Frederic
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You will need highmem support in the kernel for physical ram above 1GB.
Sincerely,
William