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Article #2117

Re: Q - Parity Error, System Halted

#2117
From: Wayne J. Lewis
Date: Wed, 20 Nov 1996 00:00
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James Navas wrote:
> 
> Since you didn't state what type of mobo you have, nor the processor
> you're using, this is only a guess.
>         But, most more modern mobos don't require parity DRAM, as they error
> check in other ways. In the CMOS BIOS there should be a
> "parity/non-parity" alternative. If you have at least a 486 mobo, just
> turn the "parity" to off and try that. It will definitely eliminate any
> "parity" errors. And if you don't get any memory errors, then leave it
> there.
>         Good luck.
Whenever I experience "Parity Errors", what I usually do is remove the
memory and look closely at it to make sure that they are the same
speed.  I use the last set of digits  on the long string of digits to
determine if it is 70ns (nanosecond),80ns or 60ns.  
I'm not sure if this is true but it seems that memory comes either
Parity or No Parity.  I've noticed that if the contacts on the bottom of
the memory strip is silver, then they are no parity. If it is gold then
it could have parity.  Please don't quote me on this but it is just
something that I noticed.  Feel free to correct me if I am absolutely
wrong.  It happens sometimes.  

Also remember that Himem.sys checks to see if memory is good.  It checks
the parity.  If it finds a problem, it will halt the system. 

Good luck.
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From: "Wayne J. Lewis" <tasco1@thenet.net>
Subject: Re: Q - Parity Error, System Halted
Date: 1996/11/20
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