27 Oct
2004
27 Oct
'04
10:01 a.m.
At 05:43 PM 10/27/04 -0400, you wrote:
I concur with Joe, there never was a series I. The
mds800 was the first
development system (not counting the Intellec 8). What Siemens
did though
was contract with Intel to produce a "Siemens" development system which was
of course just a different color Series II machine. They were off white and
carried the Siemens logo.
I've never heard of a Siemans system. The white MDSs that I've seen all
have the standard Intel markings and labels. (I've got one sitting about 3
feet from me as I type.)
Joe
-----Original Message-----
From: "Joe R." <rigdonj(a)cfl.rr.com>
AFIK all of the MDS2xxs (including the blue ones) are series II machines.
I've never heard of anything that Intel designated as a Series I. Most of
the Series II machines have blue cases but some of them have white cases.
The white ones are thought to be later machines but no one knows for sure.
Just to further confuse the issue, ANY of the MDS2xxs can be upgraded to
series III by adding a 8086 Resident Processor Card. I believe the MDS800s
can also be upgraded to Series III the same way.
Joe
27 Oct
27 Oct
10:15 a.m.
I lived in Munich, Germany for a year and a half back in 1983 while I was
working for Applied Microsystems. I developed a couple of the EM series
emulators and ran into a number of remarked Intel systems that said Siemens
on the outside.
I've never heard of a Siemans system. The white
MDSs that I've seen all
have the standard Intel markings and labels. (I've got one sitting about 3
feet from me as I type.)
Joe
10:30 a.m.
I seem to remember that Intel had some sort of marketing agreement with
Siemens. There were several Intel products that had Siemens logos on
them sold in Europe. Unfortunately, I don't remember the specifics.
Steve Thatcher wrote:
I lived in Munich, Germany for a year and a half back
in 1983 while I
was working for Applied Microsystems. I developed a couple of the EM
series emulators and ran into a number of remarked Intel systems that
said Siemens on the outside.
I've never heard of a Siemans system. The
white MDSs that I've seen
all
have the standard Intel markings and labels. (I've got one sitting
about 3
feet from me as I type.)
Joe
30 Oct
30 Oct
12:07 a.m.
Siemens and Intel worked together on Multibus-II products in the mid 80s'
At 06:30 PM 10/27/2004 -0400, Dave Mabry wrote:
I seem to remember that Intel had some sort of
marketing agreement with
Siemens. There were several Intel products that had Siemens logos on
them sold in Europe. Unfortunately, I don't remember the specifics.
Steve Thatcher wrote:
Michael Thompson
E-Mail: M_Thompson(a)IDS.net
I lived in Munich, Germany for a year and a half
back in 1983 while I
was working for Applied Microsystems. I developed a couple of the EM
series emulators and ran into a number of remarked Intel systems that
said Siemens on the outside.
I've never heard of a Siemans system. The
white MDSs that I've seen
all
have the standard Intel markings and labels. (I've got one sitting
about 3
feet from me as I type.)
Joe
31 Oct
31 Oct
12:53 p.m.
At 08:07 AM 10/30/04 -0400, you wrote:
Siemens and Intel worked together on Multibus-II
products in the mid 80s'
I don't know if Intel worked together with any of them but at one time
there were over 200 companies producing Multibus cards. In this area, I
find a LOT of Harris cards.
Joe
At 06:30 PM 10/27/2004 -0400, Dave Mabry wrote:
I seem to remember that Intel had some sort of
marketing agreement with
Siemens. There were several Intel products that had Siemens logos on
them sold in Europe. Unfortunately, I don't remember the specifics.
Steve Thatcher wrote:
Michael Thompson
E-Mail: M_Thompson(a)IDS.net
I lived in Munich, Germany for a year and a half
back in 1983 while I
was working for Applied Microsystems. I developed a couple of the EM
series emulators and ran into a number of remarked Intel systems that
said Siemens on the outside.
I've never heard of a Siemans system. The
white MDSs that I've seen
all
have the standard Intel markings and labels. (I've got one sitting
about 3
feet from me as I type.)
Joe
28 Oct
28 Oct
9:39 p.m.
I have a white MDS 800 System. It was sold in Germany by Siemens and they
relabelled it to SME 800 ("Siemens Microcomputer Entwicklungssystem").
It has an external 8"-double drive and a dumb terminal. Inside it is all
Intel. The only thing they changed internal: The glued "Siemens"-labels
over the original Intel-logos on the PCBs.
You can see it:
http://computermuseum-stuttgart.de/dev/sme800
We are running ISIS-II inclusive KERMIT on it. One time Christian Corti
succeeded to boot a CP/M 2.?. But in the meantime this disk was damaged.
I found a very old CP/M source, dated "11/21/75" in the net, written in
PL/M and was able to translate it with the original PL/M-compiler
written in FORTRAN (dated: JAN 1975) on our SUN 4/260.
What is needed: To adapt the original BIOS for single density disks to
the double density drives on our system and to make bootable floppies.
Cheers
Klemens
On Wed, 27 Oct 2004, Steve Thatcher wrote:
I lived in Munich, Germany for a year and a half back
in 1983 while I was
working for Applied Microsystems. I developed a couple of the EM series
emulators and ran into a number of remarked Intel systems that said Siemens
on the outside.
--
klemens krause
Stuttgarter KompetenzZentrum fyr Minimal- & Retrocomputing.
http://computermuseum.informatik.uni-stuttgart.de
I've never heard of a Siemans system. The
white MDSs that I've seen all
have the standard Intel markings and labels. (I've got one sitting about 3
feet from me as I type.)
Joe
30 Oct
30 Oct
2:20 a.m.
That's interesting. I've never even heard of a white MDS-800 before. Was
it painted white originally or was it painted over an orginal blue one?
I think you need a lot more than rewriting the BIOS to handle DD disks.
Intels DD controller has a 3000 series bit-slice CPU and some other odd
circuitry to handle DD.
Joe
At 11:39 AM 10/29/04 +0200, you wrote:
I have a white MDS 800 System. It was sold in Germany
by Siemens and they
relabelled it to SME 800 ("Siemens Microcomputer Entwicklungssystem").
It has an external 8"-double drive and a dumb terminal. Inside it is all
Intel. The only thing they changed internal: The glued "Siemens"-labels
over the original Intel-logos on the PCBs.
You can see it:
http://computermuseum-stuttgart.de/dev/sme800
We are running ISIS-II inclusive KERMIT on it. One time Christian Corti
succeeded to boot a CP/M 2.?. But in the meantime this disk was damaged.
I found a very old CP/M source, dated "11/21/75" in the net, written in
PL/M and was able to translate it with the original PL/M-compiler
written in FORTRAN (dated: JAN 1975) on our SUN 4/260.
What is needed: To adapt the original BIOS for single density disks to
the double density drives on our system and to make bootable floppies.
Cheers
Klemens
On Wed, 27 Oct 2004, Steve Thatcher wrote:
> I lived in Munich, Germany for a year and a half back in 1983 while I was
> working for Applied Microsystems. I developed a couple of the EM series
> emulators and ran into a number of remarked Intel systems that said
Siemens
on the
outside.
--
klemens krause
Stuttgarter KompetenzZentrum fyr Minimal- & Retrocomputing.
http://computermuseum.informatik.uni-stuttgart.de
I've never heard of a Siemans system. The
white MDSs that I've seen all
have the standard Intel markings and labels. (I've got one sitting about 3
feet from me as I type.)
Joe
29 Oct
29 Oct
8:41 p.m.
On Sat, 30 Oct 2004, Joe R. wrote:
That's interesting. I've never even heard of
a white MDS-800 before. Was
it painted white originally or was it painted over an orginal blue one?
I've got a white one. It's a model 225. I'll get the exact model number
and post it here if it's on any value.
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
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30 Oct
30 Oct
3:07 a.m.
Yeah, that white MDS-800 is the first I've seen as well. Very cool, I
think.
As for the BIOS in CP/M, it is actually not much different between the
SD and the DD controller boardset. They take the exact same command
set, as I remember. The only real difference is the range of sector
numbers, as there are merely more sectors on the DD diskettes. The
sectors themselves are the same size. They used different I/O ranges
for the control ports, but that was about it.
The original DRI CP/M-80, right out of the box from Digital Research,
would boot on an MDS-800 with the SD controller boards. That is the way
an OEM would get it and they would rewrite the BIOS for their hardware.
Kildall wrote the original CP/M for that exact system, the MDS-800
with Single Density controllers (the SBC-201).
I did a lot of rewriting on my version of the BIOS in order to handle
the internal SD drive on a Series II as a fifth drive (the first four
were the ones that the SBC-202 DD controller could handle). The CP/M
that I bought from Intel supported having BOTH the SD and the DD
controllers in the system at the same time, but Intel never supported
CP/M and the internal drive on the Series II.
Dave
Joe R. wrote:
That's interesting. I've never even heard of
a white MDS-800 before. Was
it painted white originally or was it painted over an orginal blue one?
I think you need a lot more than rewriting the BIOS to handle DD disks.
Intels DD controller has a 3000 series bit-slice CPU and some other odd
circuitry to handle DD.
Joe
At 11:39 AM 10/29/04 +0200, you wrote:
I have a white MDS 800 System. It was sold in
Germany by Siemens and they
relabelled it to SME 800 ("Siemens Microcomputer Entwicklungssystem").
It has an external 8"-double drive and a dumb terminal. Inside it is all
Intel. The only thing they changed internal: The glued "Siemens"-labels
over the original Intel-logos on the PCBs.
You can see it:
http://computermuseum-stuttgart.de/dev/sme800
We are running ISIS-II inclusive KERMIT on it. One time Christian Corti
succeeded to boot a CP/M 2.?. But in the meantime this disk was damaged.
I found a very old CP/M source, dated "11/21/75" in the net, written in
PL/M and was able to translate it with the original PL/M-compiler
written in FORTRAN (dated: JAN 1975) on our SUN 4/260.
What is needed: To adapt the original BIOS for single density disks to
the double density drives on our system and to make bootable floppies.
Cheers
Klemens
On Wed, 27 Oct 2004, Steve Thatcher wrote:
>I lived in Munich, Germany for a year and a half back in 1983 while I was
>working for Applied Microsystems. I developed a couple of the EM series
>emulators and ran into a number of remarked Intel systems that said
Siemens
on the
outside.
--
klemens krause
Stuttgarter KompetenzZentrum fyr Minimal- & Retrocomputing.
http://computermuseum.informatik.uni-stuttgart.de
I've never heard of a Siemans system. The
white MDSs that I've seen all
have the standard Intel markings and labels. (I've got one sitting about 3
feet from me as I type.)
Joe
29 Oct
29 Oct
8:46 p.m.
On Sat, 30 Oct 2004, Dave Mabry wrote:
Yeah, that white MDS-800 is the first I've seen as
well. Very cool, I
think.
Oh wait, duh, sorry. I didn't realize Joe was referring to the MDS-800.
I've never seen a white one either, and that would indeed be interesting.
Somewhere along the line I wasn't paying attention when I read Klemens'
message :(
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
30 Oct
30 Oct
5 a.m.
New subject: White MDS-800 Re: new find: an Intel MDS 800
I just looked at it again and realized that it has a SAB 8080 CPU in it!
SAB 8080 CPUs are scarce (here in the US anyway). I wonder how one ended up
in this machine. Perhaps Siemens built more of it than we thought. It would
be interesting to check the manufacturer's brands on some of the other parts.
Joe
At 01:46 AM 10/30/04 -0700, you wrote:
On Sat, 30 Oct 2004, Dave Mabry wrote:
Festival
Yeah, that white MDS-800 is the first I've
seen as well. Very cool, I
think.
Oh wait, duh, sorry. I didn't realize Joe was referring to the MDS-800.
I've never seen a white one either, and that would indeed be interesting.
Somewhere along the line I wasn't paying attention when I read Klemens'
message :(
--
Sellam Ismail Vintage Computer
---------------------------------------------------------------------------
---
International Man of Intrigue and Danger
http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers
]
[ and academia at www.VintageTech.com || at
http://marketplace.vintage.org ]
7140
days inactive
7144
days old
10 comments
6 participants
participants (6)
-
dmabry＠mich.com -
krause＠informatik.uni-stuttgart.de -
m_thompson＠ids.net -
melamy＠earthlink.net -
rigdonj＠cfl.rr.com -
vcf＠siconic.com