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From: guyd@austin.ibm.com (Guy Dawson)
Subject: Re: Vesa Local Bus 50 MHz IDE controller / 386bsd?
Originator: guyd@pal500.austin.ibm.com
Sender: news@austin.ibm.com (News id)
Message-ID: <C78BBt.2yrr@austin.ibm.com>
Date: Tue, 18 May 1993 15:35:52 GMT
References: <1stqsdINNk3v@unidoct.Chemietechnik.Uni-Dortmund.DE> <C75L96.B7B@csi.compuserve.com>
Organization: IBM Austin
Lines: 34
In article <C75L96.B7B@csi.compuserve.com>, davel@csi.compuserve.com (Dave Lindeman) writes:
> In article <1stqsdINNk3v@unidoct.Chemietechnik.Uni-Dortmund.DE> sn@plato.chemietechnik.uni-dortmund.de (sn) writes:
> >I'm going to buy a 50 Mhz Vesa Local Bus Motherboard and I'd like
> >to know wether 386bsd will work with a Vesa Local Bus IDE controller.
> >If so, will it be faster, too?
> >If not, is it likely to be supported in the future?
> >
> >I'll also be buyin a ELSA Winner 1000 S3-928 card (Local bus).
> >It has an option to put 1 meg of DRAM onto it to store fonts on
> >the card locally to speed up text operations. Is this going to
> >have any effect under 386bsd / XFree86?
> >
> >Thanks for any answers/personal experiences.
> >
> >-Sven
>
> My advice is: don't. The VL local bus is only "officially"
> rated at 33MHz and a variety of interesting things begin to happen when
> you run cards on it at 50. It tends to overheat the CPU and the failure
> rate of the cards is pretty substantial. I would advise that you either
> wait to see what happens with the Intel local bus (I know, I know, but
> the word is that it is really a decent product) or get a 33MHz board
> instead.
There is also a VESA spec for slots at 40Mhz - same pinouts etc, just a
faster clock. I don't remember if it allows for 1 ( probably ) or 2 slots.
Guy
--
-- -----------------------------------------------------------------------------
Guy Dawson - Hoskyns Group Plc.
guyd@hoskyns.co.uk Tel Hoskyns UK - 71 251 2128
guyd@austin.ibm.com Tel IBM Austin USA - 512 838 3377