Re: DMA on PC motherboards

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Article #1232

#1232

From: Chris Granitz
Date: Sat, 12 Dec 1992 00:07

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1419 bytes

In article <Bz45v7.3zx@srgenprp.sr.hp.com> darrylo@sr.hp.com writes:
>Ed Hall (edhall@rand.org) wrote:
>
>> In article <Bz3yB0.MC8@srgenprp.sr.hp.com> you write:
>> >     I don't know if using cheap motherboards is the problem, but I

.....Stuff about memory refresh problem. 

>> You can increase the BUSOFF time on the 1542 to reduce the chance of
>> refresh starvation when you have more than one of them.
>
>     Yup, that's the fix that I used.  In my case, though, it wasn't
>     -- Darryl Okahata
>	Internet: darrylo@sr.hp.com

     Does anyone know if this type of problem (DMA use and memory refresh
problems) can be fixed using the "Hidden Refresh" option available on some
boards with AMI BIOS. I have Hidden Refresh turned ON (refresh is hidden from
the CPU) for my OPTi 386-40 motherboard. Do you think that if one were to
turn this option OFF, the DMA/Refresh problems would disappear ?

     --Chris Granitz  chrisg@verdi

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Message-ID: <57316@olivea.atc.olivetti.com>

Path: arc1-ca.pugleaf.net!sparky!uunet!olivea!chrisg

References: <4065@randvax.rand.org> <Bz45v7.3zx@srgenprp.sr.hp.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!olivea!chrisg
From: chrisg@strobe.ATC.Olivetti.Com (Chris Granitz)
Newsgroups: comp.periphs,comp.sys.ibm.pc.hardware,comp.os.linux
Subject: Re: DMA on PC motherboards
Message-ID: <57316@olivea.atc.olivetti.com>
Date: 12 Dec 92 00:07:50 GMT
References: <4065@randvax.rand.org> <Bz45v7.3zx@srgenprp.sr.hp.com>
Sender: news@olivea.atc.olivetti.com
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Organization: Olivetti ATC; Cupertino CA, USA
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