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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: <C7A2MK.31MM@austin.ibm.com>
Date: Wed, 19 May 1993 14:23:08 GMT
References: <1stqsdINNk3v@unidoct.Chemietechnik.Uni-Dortmund.DE> <C75L96.B7B@csi.compuserve.com> <C78BBt.2yrr@austin.ibm.com> <1tbckgINN7vi@unidoct.Chemietechnik.Uni-Dortmund.DE>
Organization: IBM Austin
Lines: 44
In article <1tbckgINN7vi@unidoct.Chemietechnik.Uni-Dortmund.DE>, sn@plato.chemietechnik.uni-dortmund.de (sn) writes:
> guyd@austin.ibm.com (Guy Dawson) writes:
>
Paranoid mode on
I did NOT write the following paragraph!
> >> 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.
Paranoid mode off!
>
> >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
>
> At 40 Mhz, the VLB only allows one slot.
> Anyways, I've had some people mail me with 50 MHz boards and they were
> having no problems. I don't know if NOBODY has problems, but it looks
> like it can be done. You just have to be lucky and get a motherboard
> and cards that handle the 50 MHz.
I agree!
>
> -Sven
>
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