Re: I'm having 4GB RAM, but Linux sees just 3GB???

From: Christian Parpart
Date: Mon May 16 2005 - 13:04:46 EST


On Monday 16 May 2005 7:15 pm, Peter Buckingham wrote:
> Christian Parpart wrote:
> > Has anyone a hint for my WHY this is happening and HOW I could get rid of
> > it?
>
> This is because there is a PCI memory hole of about 1GB of space on the
> x86_64 platform. Basically it overlays the address space of the RAM that
> you have.
>
> You can try to enable memory hoisting (it may be called software memory
> hole in your bios). This will try to remap you RAM above the 4GB
> boundary so that the PCI space and your RAMs address space do not
> conflict. Unfortunately, this does not work particularly well...

Yeah, ("software"/"hardware"/"disabled") has been the other dropdown list in
my BIOS (i remember now;) however, it's been 'disabled' as I touched my host
first, and playing around didn't help *yet". although here, the BIOS
reference book just didn't talk about this area either.

I'll try once again, thx all ;)

Regards,
Christian Parpart.

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