Re: RAM speed, External Cache & i486-DX266 CPU

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#679

From: M. Rogers.
Date: Fri, 15 Mar 1996 00:00

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>In article <826745441snz@longley.demon.co.uk>, David Longley
><David@longley.demon.co.uk> writes
>>I have a curious problem which I need a definitive technical solution to.
>>
>>Motherboard:  VL (one slot, est ISA)
>>CPU        :  i486-66DX2
>>Cache      :  256K
>>RAM        :  4 x 80ns + 4 x 100ns parity
>>BIOS       :  AMIBIOS 1991
>>
>>Problem..
>>
>>Unzipping files produces CRC errors on a number of the contents. The file
>>checks out OK on other systems, and the problem disappears when I disable
>>both EXTERNAL CACHE and TURBO CACHE in the BIOS.
>>
>>There are a few other odd problems which seem to have gone with the cache
>>disabled.
>>
The ram speed is probably too slow for a 486.  Try some 70ns simms
(borrow whatever) and see if that cures it.

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From: mark@markbz.demon.co.uk (M. Rogers.)
Subject: Re: RAM speed, External Cache & i486-DX266 CPU
Date: 1996/03/15
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