29 Apr
2004
29 Apr
'04
11:11 p.m.
I worked with many systems back in the middle to late 80s when the 386 was in vogue. I
don't recall any of them using an older 287 math coprocessor though. Here is a link to
a page full of mbs and DTK did indeed make a discrete chip 386 motherboard back then. The
co-processor was a 387 though.
http://www.redhill.net.au/b-92.html
best regards, Steve Thatcher
-----Original Message-----
From: SHAUN RIPLEY <vax3900(a)yahoo.com>
Sent: Apr 30, 2004 6:15 AM
To: cctalk(a)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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30 Apr
30 Apr
12:33 a.m.
My oldest 386 motherboard so far is
http://www.geocities.com/MSCPSCSI/PHOTOS/dscn2978.jpg
It uses CHIPS 82A203, 82A204 and 82C206 chip set.
--- Steve Thatcher <melamy(a)earthlink.net> wrote:
I worked with many systems back in the middle to
late 80s when the 386 was in vogue. I don't recall
any of them using an older 287 math coprocessor
though. Here is a link to a page full of mbs and DTK
did indeed make a discrete chip 386 motherboard back
then. The co-processor was a 387 though.
http://www.redhill.net.au/b-92.html
best regards, Steve Thatcher
-----Original Message-----
From: SHAUN RIPLEY <vax3900(a)yahoo.com>
Sent: Apr 30, 2004 6:15 AM
To: cctalk(a)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
__________________________________
Do you Yahoo!?
Win a $20,000 Career Makeover at Yahoo! HotJobs
http://hotjobs.sweepstakes.yahoo.com/careermakeover
__________________________________
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2:14 a.m.
On Fri, 30 Apr 2004, SHAUN RIPLEY wrote:
My oldest 386 motherboard so far is
http://www.geocities.com/MSCPSCSI/PHOTOS/dscn2978.jpg
It uses CHIPS 82A203, 82A204 and 82C206 chip set.
AFAIK, that's Chips & Technology, but I could be mistaken.
Is the slot that's parallel with slot 8 a memory expansion connector? If
so, have you ever seen one that would fit it? I've seen those connectors
on 386 and 486 boards before, but I've never seen anything that would fit
them.
g.
2:21 a.m.
--- Gene Buckle <geneb(a)deltasoft.com> wrote:
Is the slot that's parallel with slot 8 a memory
expansion connector? If
so, have you ever seen one that would fit it? I've
seen those connectors
on 386 and 486 boards before, but I've never seen
anything that would fit
I have not seen one yet.
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2:30 a.m.
Someone can correct me if I am wrong, but didn't Compaq make the first
386 to get to market? While I generally don't collect anything past the
original IBM PC, I made an exception in that case since it was the first
PC 386 compatible and came out IIRC because IBM was dragging their feet.
The machine is too buried to check out the motherboard, but I don't
think it used a chipset and was built with discrete parts.
SHAUN RIPLEY wrote:
My oldest 386 motherboard so far is
http://www.geocities.com/MSCPSCSI/PHOTOS/dscn2978.jpg
It uses CHIPS 82A203, 82A204 and 82C206 chip set.
--- Steve Thatcher <melamy(a)earthlink.net> wrote:
> I worked with many systems back in the middle to
> late 80s when the 386 was in vogue. I don't recall
> any of them using an older 287 math coprocessor
> though. Here is a link to a page full of mbs and DTK
> did indeed make a discrete chip 386 motherboard back
> then. The co-processor was a 387 though.
>
> http://www.redhill.net.au/b-92.html
>
> best regards, Steve Thatcher
>
> -----Original Message-----
> From: SHAUN RIPLEY <vax3900(a)yahoo.com>
> Sent: Apr 30, 2004 6:15 AM
> To: cctalk(a)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
1 May
1 May
12:21 a.m.
On Fri, 30 Apr 2004 07:11:57 -0400 (GMT-04:00)
Steve Thatcher <melamy(a)earthlink.net> wrote:
I worked with many systems back in the middle to late
80s when the 386 was in vogue. I don't recall any of them using an older 287 math
coprocessor though. Here is a link to a page full of mbs and DTK did indeed make a
discrete chip 386 motherboard back then. The co-processor was a 387 though.
http://www.redhill.net.au/b-92.html
best regards, Steve Thatcher
I have a 386 motherboard of that vintage, a DTK board. It's a 'full AT'
footprint motherboard, and has a socketed 80387 installed, but also has an unpopulated 40
pin DIP socket. My friend had a 386 motherboard in use back in that timeframe that he ran
an 80287 in.
I just took a number of digital photographs of the board I have and have thrown them up on
some webspace I have:
http://albenfor.gomen.org/386_at/
The board I have, which is one I got in a box lot at the auction of a defunct Indianapolis
computer store, is a DTK Fast ET 20 (according to the board's markings). It is all
discrete logic and Intel 82xx series parts, with one row of MMI gate arrays. See the
photos for more details.
It also has one of those proprietary daughter boards to allow it to be populated with more
than the 4 megs of RAM the sockets allow for.
I haven't ever powered it up but maybe I should hunt for a full-AT case and give it a
try sometime.
-----Original Message-----
From: SHAUN RIPLEY <vax3900(a)yahoo.com>
Sent: Apr 30, 2004 6:15 AM
To: cctalk(a)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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Win a $20,000 Career Makeover at Yahoo! HotJobs
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