CP/M for Osborne-1

From: Don Maslin <donm_at_cts.com>
Date: Fri Nov 7 23:04:17 1997

On Fri, 7 Nov 1997, John Ruschmeyer wrote:

> > >I picked up an Osborne-1 last night, but no software. Is anyone willing to
> > >cut me a copy of some 5 1/4" CP/M operating system and utility disks?
> Original tan or later blue/grey?
> Tony, I've got a copy, if nobody else can get you a set.
> I forget, is Don Maslin on this list? If so, he is the one to talk to for
> just about any CP/M system disk.
> > You'll want to ensure you get the correct ones. There are at least two
> > different versions one for 40 columns, and another for 80 columns. I'm
> > pretty sure that the 40 column systems can't be booted with 80 column
> > disks. BTW I'm refering to the number of columns on the display.
> It's actually 52 columns physical, able to pan over a window of up to 128
> columns.
> The original O-1's were single density. Later on, both double density and
> 80-columns were available as upgrades.
> A SD, 52-column disk should boot on anything. I can't speak for any other
> combo because mine has both DD and 80 cols.
> BTW, does anyone know if there were 3rd party 80-columns upgrades? A while
> back, I got a disk from Don Maslin which was supposed to be a 80-col
> boot disk. Although it booted fine on his and several other systems, it
> would never boot mine. I later tried reinstalling the patches on the disk
> to a fresh copy of CP/M- no luck either. It also crashes totally when I
> try to set the baud rate of the "programmable" clock generator referenced in
> the README for the disk.

That would be the one that is listed as the OS1NUEVO in my SYSDISK list.
I don't know the answer to your question, John, but it is certainly
possible. Do you now have a bootable SSDD-80 column disk for your
machine? I'd be interested in a copy to compare.

> Makes me think I have a different upgrade...
> <<<John>>>
                                                 - don

    Don Maslin - Keeper of the Dina-SIG CP/M System Disk Archives
         Chairman, Dina-SIG of the San Diego Computer Society
       Clinging tenaciously to the trailing edge of technology.
         Sysop - Elephant's Graveyard (CP/M) - 619-454-8412
        see old system support at http://www.psyber.com/~tcj
Received on Fri Nov 07 1997 - 23:04:17 GMT

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