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- Newsgroups: comp.periphs
- Path: sparky!uunet!cs.utexas.edu!sdd.hp.com!hpscit.sc.hp.com!news.dtc.hp.com!srgenprp!hpsrdmo.sr.hp.com!darrylo
- From: darrylo@hpsrdmo.sr.hp.com (Darryl Okahata)
- Subject: Re: DMA on PC motherboards
- Sender: news@srgenprp.sr.hp.com (placeholder for future)
- Message-ID: <Bz4HAI.BEw@srgenprp.sr.hp.com>
- Date: Sat, 12 Dec 1992 01:25:29 GMT
- Reply-To: darrylo@sr.hp.com
- References: <57316@olivea.atc.olivetti.com>
- Organization: Center for Primal Scream Therapy
- X-Newsreader: TIN [version 1.1 PL8]
- Lines: 21
-
- Chris Granitz (chrisg@strobe.ATC.Olivetti.Com) wrote:
-
- > 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 ?
-
- I believe so. However, there may be restrictions on whether or not
- you can take advantage of hidden refresh, assuming that your motherboard
- even supports it. My motherboard supports it, but only if both memory
- banks are used. As I'm only using one bank (with sixteen MB), I can't
- turn it on, even though my motherboard supports it. I'd have to add
- another 16MB of RAM to turn it on, and I can't afford this.
-
- -- Darryl Okahata
- Internet: darrylo@sr.hp.com
-
- DISCLAIMER: this message is the author's personal opinion and does not
- constitute the support, opinion or policy of Hewlett-Packard or of the
- little green men that have been following him all day.
-