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Article #16

Re: Please help diagnose my computer's problem! (Win95/Linux/Dos Extender)

#16
From: David Metcalf
Date: Sun, 22 Oct 1995 03:08
91 lines
4497 bytes
On 20 Oct 1995 22:49:56 -0500, genie@sashimi.wwa.com (Gene Choi)
wrote:

Just my input.  Are you using a cpu fan?  If you are using a fan try
putting sum heat sink compound on it and reinstall.  I know this
sounds strange but I had a problem that heat sink compound fixed!
Other than that try replacing simms.  I personally think one of your
memory simms:(
>
>Hi there folks,
>
>I'm having some serious problems with my computer and wished to get 
>some usenet input as to what could potentially be causing these problems.
>
>PROBLEM:
>Basically the gist of the whole message is that I'm getting
>1) Virtual memory error messages in Win95 (crashing program running).
>This is especially evident when I run the setup program to add/remove
>programs.
>2) DOS programs that use lotsa memory (in DOS 6.2/Win95RealDos) crash
>with memory address errors.  I get this error when I run programs that
>use the DOS Extender (and not).  DOS extender reports memory address 
>errors.
>3) Linux acts flaky.  For example, can boot, and can "ls" but the
>kernel turns stale at random (minutes to hours) and ls causes core
>dumps.  Must be a bad kernel you say?  This can't be because until
>recently I used this same kernel to leave my comp on for days at
>a time with 0 problems.
>
>
>Hardware:
>AMD486/100 with SIS 407e (about 5 monthes old)
>16 megabytes 30 pin simms, 256k cache
>ATI Graphics + 2 megs (2-3 years old)
>Future Domains 1680 SCSI
>Micropolis 1.7gig SCSI
>Plextor 4X SCSI
>Mediavision ProSonic 
>Roland LAPC-1
>(no problems with this setup for at least 5 monthes which is when I had
>a motherboard upgrade)
>
>Indepth:
>I've been experiencing this problem lately.  One thought was Win95.
>But seems not to be the case.  I ran Win95 fine for a month now with
>no problems until recently.
>	One thing I did notice is that SOMETIMES, when I boot my
>computer from a cold start, it takes about 15 minutes before I start
>seeing these virtual memory address crashes in Win95.  For example,
>I'll cold boot (I mean cold to touch) and run Win95's program add
>program, run one of the installed setup program (such as Microsoft
>Money's) and have no problems.  Wait about 15 minutes and run this
>same sequence of events and I'll get a nice window from Win95 saying
>Virtual Memory error of sorts.  Now I do a warm cold boot (i.e. hit
>the reset button after exiting Win95) and restart Win95.  Run setup program
>immediately, and I'll usually get this error right away.
>	In DOS I play lotsa games.  Virtual Pool, Caesar II, etc.
>Caesar crashes randomly with DOS extender messages in DOS, and
>VP just hangs (as do many other games in DOS lately).
>
>My Preliminary conclusion: 
>1) cache error (but tried turning off cache and still have problems)
>2) Processor problem (Did the AMD go berzerk with warmup?)
>Can't really test this one but I did run Norton 7's diagnostic utils
>testing memory/processor/etc with no problems.
>3) main memory problem
>	a) parity problem - syncing?
>		tried turning down wait states from 1/2 to 2/3 3/4 etc.
>		didn't help.
>	b) warmup problem
>		didn't know memory really had a warmup thing.  Don't
>		know how to test for this explicitly.  Norton/Himem
>		doesn't report any problems (even after a hard/soft	
>		boot after Win95 Virtual memory errors).
>
>
>So this is my dilemma.  I'm praying it's not a memory problem
>(memory is so damn expensive!!).  And especially more painful is the
>fact that these memory chips are 30 pinn simms.  Meaning I can't
>easily replace a bank that easily (if at all).  The motherboard
>does support 72 pin simms but before I make this expensive purchase
>I want to make sure I've covered all bases and gotten all good 
>advice.
>
>So in all, ANY HELP IS GREATLY APPRECIATED!!
>
>-Gene
>
>-- 
>Intel Inside, Microsoft Outside...
>(unfortunately)
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Path: arc1-ca.pugleaf.net!ix.netcom.com!netnews
From: DavidMet@ix.netcom.com (David Metcalf)
Newsgroups: comp.sys.ibm.pc.hardware.chips,comp.sys.ibm.pc.hardware.systems,comp.periphs.scsi,comp.sys.ibm.pc.hardware.misc,comp.os.ms-windows.win95.misc
Subject: Re: Please help diagnose my computer's problem! (Win95/Linux/Dos Extender)
Date: Sun, 22 Oct 1995 03:08:52 GMT
Organization: Netcom
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