My 386 motherboard uses 82C206+82A203+82A204. I know
that 82C206 integrated two 8259s, two 8237s, one
timer(8253? 54?), and one real time. Then what are
82A203 and 82A204 for?
vax, 3900
--- Chandra Bajpai <cbajpai_at_comcast.net> wrote:
> There was a company called CSS...but their
> motherboard looked very
> similar to another company...I think it was Mylex.
>
> This is all pre-Chip&Tech 82C206 Integrated
> Peripheral Control
> (8259/8255/8237 all on one chip)
>
> -Chandra
>
>
> -----Original Message-----
> From: cctalk-bounces_at_classiccmp.org
> [mailto:cctalk-bounces_at_classiccmp.org] On Behalf Of
> SHAUN RIPLEY
> Sent: Friday, April 30, 2004 8:36 AM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: RE: 386 motherboard with discrete logic
> chips only?
>
> The brand on the computer case is either SSS or SD.
> Can't remember clearly.
>
> vax, 3900
>
> --- Chandra Bajpai <cbajpai_at_comcast.net> wrote:
> >
> > I think you are talking about one of the earliest
> > Mylex (or AMI?) 386
> > motherboards. The reason for the 287 was that the
> > 387 coprocessor was
> > not available immediately after the 386
> > introduction. I remember
> > evaluating such a product right after Comdex 1986
> or
> > 1987.
> >
> > -Chandra
> >
> >
> >
> > -----Original Message-----
> > From: cctalk-bounces_at_classiccmp.org
> > [mailto:cctalk-bounces_at_classiccmp.org] On Behalf
> Of
> > SHAUN RIPLEY
> > Sent: Friday, April 30, 2004 6:16 AM
> > To: cctalk_at_classiccmp.org
> > Subject: 386 motherboard with discrete logic chips
> > only?
> >
> > I talked with my friend the other day and he
> claimed
> > that 386 motherboards all used this or that chip
> > sets;
> > But I vaguely remember I might once have such a
> 386.
> > It had a 287 math coprocessor and some memory
> chips
> > on
> > board. What I can remember is that it had many
> logic
> > chips on board but I can't recall whether it had
> > chip
> > sets or not. Unluckly I dumped it years ago...
> Could
> > somebody give me an answer?
> >
> > vax, 3900
> >
> >
> >
> >
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>
>
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Received on Fri Apr 30 2004 - 22:12:14 BST