RE: missing memory

From: Kautzmann Gerd ([email protected])
Date: Mon May 13 2002 - 17:33:21 CEST


with kind regards / mit freundlichen Grüssen

Gerd Kautzmann

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*  Gerd Kautzmann
*  Software Entwicklung
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> -----Original Message-----
> From: Stephen Isard [mailto:[email protected]]
> Sent: Monday, May 13, 2002 2:17 PM
> To: [email protected]
> Subject: missing memory
> 
> 
> I have put mulinux on a Twinhead Slimnote DX2 notebook computer for a
> colleague, but had to use the "low memory" installation method.  The
> machine's bios claims that it has 7808kB of memory.  I think that
> usually counts as 8MB, since the "kB" are 1024 bytes and
> 7808*1024=7995392, which is very close to 8000000 bytes.  
What happened to the original 640 RAM Memory and the other memory space
under 1MB that was used for ISA I/O ?
At the other side there are some  chipset saround that have UMA memory they
uses some memory space for graphic ( framebuffers ) . 
> However, when
> I run the "free" command or look at /proc/meminfo in linux, 
> they report
> a total of only  6716kB (6877184 bytes).  So I seem to be missing more
> than a megabyte under linux, which is probably why I needed the "low
> memory" tactics to load mu. (I can't boot tomsrtbt at all.) Can anyone
> suggest why this might be happening, and whether there is 
> anything I can
> do to reclaim the missing memory?
> 
> Thanks,
> 
> Stephen Isard
> 
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