I just picked up a Tandy 2800HD laptop! Anyone have any clues/leads where
I can find a power supply board and floppy drive for this thing?
A
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Chris,
Another drive made for the C-64 was the Indus GT drive (more
well known among Atari 8-bit users). It's cool looking--
all black with a smoked plexiglass cover and two 7 segment LED's
showing what track the drive was using or the most recent error
code.
And another was something like the "Excelerator Pro", which has
a cheap look and feel to it, though it may well be an OK drive.
--Michael Passer
mwp(a)acm.org
>There were at least two other manufacturers of Commodore drives besides
Commodore
>itself, but memory fails me at the moment...none of them were 100% compatible,
and as
>such left the market rather early on in the game.
I found this in one of my cupboards, don't know where or when I got it.
Micro-systems development Inc. Dallas Texas
Model SD-2
Two TEC 51/4 floppy drives, Model FB501, mounted vertically
Built in AC supply
Rear panel has two 6 contact female DIN sockets and one 24 contact female
connection similar to a Centronics printer, only smaller.
The construction is generally similar to that used on Apple ][ drive cases,
although I suspect this might have something to do with a PET.
Can any one enlighten me?
Regards
Charlie Fox
Charles E. Fox
Chas E. Fox Video Productions
793 Argyle Rd. Windsor N8Y 3J8 Ont. Canada
email foxvideo(a)wincom.net Homepage http://www.wincom.net/foxvideo
That is an MSD SD-2 dual drive. It was sold as a premium drive
for the Commodore 64, and supports either serial or IEEE-488
interfaces. It would work with a PET, as well, via the IEEE-488
interface.
One of its compelling features is its ability to copy a diskette
completely in its firmware with one command, and quickly. If you
would like to sell it, I would be interested :>.
Nice find!
--Michael Passer
mwp(a)acm.org
-----Original Message-----
From: CLASSICCMP-owner(a)u.washington.edu
[mailto:CLASSICCMP-owner@u.washington.edu]On Behalf Of Charles E. Fox
Sent: Wednesday, August 25, 1999 8:12 AM
To: Discussion re-collecting of classic computers
Subject: Strange drive unit
I found this in one of my cupboards, don't know where or when I got it.
Micro-systems development Inc. Dallas Texas
Model SD-2
Two TEC 51/4 floppy drives, Model FB501, mounted vertically
Built in AC supply
Rear panel has two 6 contact female DIN sockets and one 24 contact
female
connection similar to a Centronics printer, only smaller.
The construction is generally similar to that used on Apple ][ drive
cases,
although I suspect this might have something to do with a PET.
Can any one enlighten me?
Regards
Charlie Fox
Charles E. Fox
Chas E. Fox Video Productions
793 Argyle Rd. Windsor N8Y 3J8 Ont. Canada
email foxvideo(a)wincom.net Homepage http://www.wincom.net/foxvideo
Sounds like a MSD-2 Dual floppy for Commodores. pretty cool.
relatively rare. 1541 compatible, but the copy-protected stuff wouldn't
work on them. I think Fast Hack-em had a SD-2 copier, could copy a
non-protected disk pretty quick.
Kelly
In a message dated 8/25/99 8:13:18 AM Central Daylight Time,
foxvideo(a)wincom.net writes:
> I found this in one of my cupboards, don't know where or when I got it.
>
> Micro-systems development Inc. Dallas Texas
>
> Model SD-2
>
> Two TEC 51/4 floppy drives, Model FB501, mounted vertically
>
> Built in AC supply
>
> Rear panel has two 6 contact female DIN sockets and one 24 contact female
> connection similar to a Centronics printer, only smaller.
>
> The construction is generally similar to that used on Apple ][ drive
cases,
> although I suspect this might have something to do with a PET.
>
> Can any one enlighten me?
>
> Regards
> Charlie Fox
>
Anyone out there with suggestion or clues on this oddball?
Tandy 25-1053 1000HX PC.
Interesting 8088 non-isa monoboard with what appears to be mono video
and integral keyboard. The PS is very small, less that 55W and the MB
is mostly cmos save for the cpu and support chips.
I'm trying to decide if I'll gut it for the powersupply and floppy or
find a use for it. One limiting factor is it down't appear to have a
serial port.
If I can find a schematic I may try a hack I've considered. Putting a
8085+mmu in the 8088 socket (it's been done going the other way!) and
changing the rom so I can run cpm-80.
First chance I'll drop by Tandy... knowing them they may have the service
manual for it.
Allison
In a message dated 8/24/99 10:23:30 PM Eastern Daylight Time,
allisonp(a)world.std.com writes:
> Anyone out there with suggestion or clues on this oddball?
>
> Tandy 25-1053 1000HX PC.
>
> Interesting 8088 non-isa monoboard with what appears to be mono video
> and integral keyboard. The PS is very small, less that 55W and the MB
> is mostly cmos save for the cpu and support chips.
>
> I'm trying to decide if I'll gut it for the powersupply and floppy or
> find a use for it. One limiting factor is it down't appear to have a
> serial port.
>
> If I can find a schematic I may try a hack I've considered. Putting a
> 8085+mmu in the 8088 socket (it's been done going the other way!) and
> changing the rom so I can run cpm-80.
>
> First chance I'll drop by Tandy... knowing them they may have the service
> manual for it.
>
> Allison
that is that small apple //c looking pc clone? has dos2.1 in rom IIRC, and a
bit nonstandard card slot(s). i think the 1000ex was similar...
D.B. Young Team OS/2
-->this message printed on recycled disk space
visit the computers of yesteryear at:
http://members.aol.com/suprdave/classiccmp/museum.htm
In a message dated 8/24/99 11:04:42 PM Eastern Daylight Time,
ethan_dicks(a)yahoo.com writes:
> I have this card made by "Memory Products and More". It's 8Mb, *looks*
> like a PCMCIA card but says on the back, "Do not insert this card into
> the PCMCIA card slot." It has 88 pins. Does anyone know what this might
> go into?
>
> Thanks,
that's most likely an ICDRAM card; some of the 360 and 75x series IBM
thinkpads used those for memory expansion and some other mobile products as
well. certainly not classic though.
D.B. Young Team OS/2
-->this message printed on recycled disk space
visit the computers of yesteryear at:
http://members.aol.com/suprdave/classiccmp/museum.htm
I have this card made by "Memory Products and More". It's 8Mb, *looks*
like a PCMCIA card but says on the back, "Do not insert this card into
the PCMCIA card slot." It has 88 pins. Does anyone know what this might
go into?
Thanks,
-ethan
===
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<that is that small apple //c looking pc clone? has dos2.1 in rom IIRC, and
<bit nonstandard card slot(s). i think the 1000ex was similar...
Yep exactly, runs too. Can't say on the EX.
The DOS in rom is a 16kb (27128) with dos command.com, driver, bios and an
autoexec.bat as drive C:. Drive is 3.5" 720k and ram is a whopping 256k,
and its full unless it will take a larger part.
Rather curious beast.
Allison
