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Article #688Re: RAM speed, External Cache & i486-DX266 CPU
From: Rick L.
Date: Thu, 21 Mar 1996 00:00
Date: Thu, 21 Mar 1996 00:00
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2342 bytes
In article <314F6D16.385C@psu.edu>, wjg109@psu.edu says... > >futility wrote: >> >> David Longley <David@longley.demon.co.uk> wrote: >> >> >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.. >> > > >I had a similar problem when I upgraded from an Intel 486dx33 >chip to an Intel 486dx4/100. I had flaky problem when I would >do certain things, random system lockups, weird display >problems etc. It would work fine when I disabled my L2 cache. >But when my cache was enabled, my computer was much slower (as >measured by Norton System Information). With the cache enabled >I was just a little above a 486dx33, with it disabled I was >almost 3x faster than a 486dx33. > I called Intel and they told me to disable my L2 cache.... >Everything seems to work ok now, but it bothers me that I have >this cache sitting on my MB not being used. Anybody have any >suggestions? > > 486dx33 -> 486dx4/100 > 256K - 20ns cache (currently disabled) > AMI Bios 1992 > >Maybe I need faster cache or something. Please let me know if >you get your problem fixed. Hey, Just for the hell of it, try enabling your Cache, and disable memory parity. Then run your diagnostic program. (If it boots/runs). ricky@metrolink.net
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10c6a1,1effa44f22d5d254 X-Google-Attributes: gid10c6a1,public X-Google-Thread: 1036bc,1effa44f22d5d254 X-Google-Attributes: gid1036bc,public X-Google-Thread: 1045b9,1effa44f22d5d254 X-Google-Attributes: gid1045b9,public X-Google-Thread: 110292,1effa44f22d5d254 X-Google-Attributes: gid110292,public From: ricky@metrolink.net (Rick L.) Subject: Re: RAM speed, External Cache & i486-DX266 CPU Date: 1996/03/21 Message-ID: <3150c2e3.0@news.metrolink.net> X-Deja-AN: 143408345 references: <826745441snz@longley.demon.co.uk> <31489ac7.94776@news.demon.co.uk> <314F6D16.385C@psu.edu> content-type: Text/Plain; charset=US-ASCII organization: Melbourne, Florida mime-version: 1.0 newsgroups: comp.sys.ibm.pc.hardware.chips,comp.periphs,comp.sys.intel,demon.tech.pc