DOS-73 board and software for sale

Kevin O'Gorman kevin at kosman.UUCP
Mon Jun 19 15:56:44 AEST 1989


I have been using a DOS-73 board for about 3 years now to do MS-DOS
development on my UNIX-PC.  I now have a 286 on order, due in 5 days,
so I will not be needing this any more.

Asking price is pretty flexible -- see below.  You can surely have this
for $500(US).

It has given good and faithful service during this time, so I'm hoping
to find it a good home.  All docs and original software disks included.

This is a fairly fast co-processor for the AT&T UNIX PC, with 500KB
(non-expandable) ram on-board, and MS-DOS 3.1 (probably also not
upgradable), but does NOT include "backup" and "restore".

PRN is faked into the UNIX printer, spooled or not at your option.

There is a real COM1 port on the back of the board.  So you can run
real communications software, or a serial printer, or whatnot.

This board was designed by a team that included a friend of mine, while
AT&T still had hopes for the UNIX PC product.  It was indended to answer
the complaint that people could not run LOTUS 1-2-3 on their desktop if
they went with the AT&T solution.  So it runs LOTUS (some version or other;
as it happens I never got around to using LOTUS).

The board interfaces to the UNIX PC screen as if there were a Hercules
graphics card (monochrome) in an IBM.

I will take the best offer.  I hardly expect more than $500 (about half
the original cost) so I will take that like a flash.  Feel free to enter
the auction with any price at all.  I promise to accept your offer unless
I get a better offer within 14 days, except that $500 takes it immediately.
Of course, offers under $500 pay the freight -- about $20.00 if I send it
Federal Express.  So go ahead and offer me $1.00 if you think you might
maybe like to have a ~$21 MS-DOS machine.  Honestly, if that's the best
I get, I will ship it for that, and let my tax accountant figure out the
bleeding investment credit recapture.

If you're in California, I'm sorry, but I've gotta collect sales tax.
I'm a licensed business and I'm actually law-abiding no matter what the
current trends are.  Sales tax does not apply to the shipping charge,
so a buck is only $1.06.  Hmm, forget that, I'll be a sport and if the
tax is less than .50 I'll eat it (yes it's legal).

Beware, having this board might just addict you to comp.sys.ibm.pc, as I
have been finding out to my horror.  Somehow, while I just had the co-
processor I never subscribed.  Now that I'm expecting the "real thing"
I have been, and have been discovering that there's a lot of neat stuff
out there for these machines, and quite a bit of it runs on the board.

Speak to me -- I would like to unload.



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