🚀 go-pugleaf

In article <826885960snz@longley.demon.co.uk>,
David Longley  <David@longley.demon.co.uk> wrote:
>In article <3148d4ab.3672227@news.demon.co.uk>
>           mark@markbz.demon.co.uk "M. Rogers." writes:
>
>> >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.
>> 
>> 
>My mistake - the first four are 70ns.
>
>I tried changing for 4 x 4MB at 70ns, but the cache problem (bad CRCs on unzip)
>remained....
>-- 
>David Longley

You may have done this...but just making sure....  Did you remove both the
80ns and 100ns when you switched in the 70ns?  To me the 100ns seems way slow.
 The 80's should be ok.  Depends on your wait state settings in your bios
though.  Try running it slower with the slower simms maybe.....

Aaron