FC4 -- really slow

[Craig Cruden]

Intel Pentium 4 with Southbridge (ICH5/ICH5R)
[motherboards] ignore everything after around 3.5
megabytes (I think it works out to 3766? on this
motherboard) because that area is used by the chipsets
involved.  I had previously had "the other operating
system :P" installed on this computer when I first
realized it.  The OS ignored that area of memory (i.e.
I would display memory available and it was not 4GB --
which prompted me to go back and read about why).  

Is this really a broken BIOS [which has been updated
to the most recent release] or something that anaconda
should know about with these Intel chipsets?


--- Alan Cox <alan at redhat.com> wrote:
> On Fri, Apr 15, 2005 at 03:42:45PM -0700, Craig
> Cruden wrote:
> > >If you boot with mem=1024M is it suddenely much
> > faster ?
> > 
> > Yes, it boots much faster -- what does this mean
> > (other than I have a lot of useless memory :P )
> 
> Generally it means your BIOS is broken. You'll
> probably find that
> mem=xxxxk where xxxx is about 32Mb less than amount
> expected will be the
> cut off but can you boot it and post your /proc/mtrr
> 
> 
> 


		
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