From: cosham@yoyo.cc.monash.edu.au (Mark Cosham) Subject: Re: SUMMARY: Linux performance: WOW! (was: OUCH!) Date: Fri, 2 Jul 1993 04:35:43 GMT
In <C-AMB.93Jun30155732@solitude.math.utah.edu> c-amb@math.utah.edu (Mark B. Alston) writes:
>In article <20sq1e$q98@klaava.Helsinki.FI> torvalds@klaava.Helsinki.FI (Linus Torvalds) writes:
>And on a more specific note... I have 20 MB of memory available. If
>I put the 1 MB simms in the first bank and the 4 MB simms in the
>second, my bios recongnizes that I have 20 MB of mem available.
>However if I flip it around and put the 4 MB simms in the first bank
>the second bank isn't found at all. The bios (and linux) report that
>I have only 16 MB of mem. So, if the above memory usage is possible,
>would it be possible to force the first 4 MB to be a dedicated ram
>drive or cache so that I could use all 20 MB? Or in lieu of this
>could I make it "hidden" so that linux could use the high 16 MB and
>ignore the lower 4 MB? In this way I could use all 20 MB for those
>rare visits to dos world.
Hi. You probably have a BIOS that does not support the 4MB simms first,
and the 1Mb simms second. I know that my AMI bios doesn't support all
combinations - look up your motherboard manual, as it should tell you
what it supports.
Mark Cosham
> Mark Alston "U.S. out of North America"
> c-amb@math.utah.edu -anonymous
> PGP Public key available via finger
--
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Mark Cosham Monash University, Melbourne, Victoria, Australia
cosham@yoyo.cc.monash.edu.au