🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.sys.ibm.pc.hardware.chips
Article #688

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

#688
From: Rick L.
Date: Thu, 21 Mar 1996 00:00
41 lines
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
Technical Details
Message-ID: <3150c2e3.0@news.metrolink.net>
Path: arc1-ca.pugleaf.net!unknown!not-for-mail
References: <826745441snz@longley.demon.co.uk> <31489ac7.94776@news.demon.co.uk> <314F6D16.385C@psu.edu>

Show Full Headers
Complete Article Headers
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