RE: a few eproms recovered...

From: Didier Derny <>
Date: Wed, 7 Dec 2011 23:44:25 +0100
Message-ID: <000001ccb531$c54218d0$4fc64a70$@org>
The scsi was on an Europe format card connected to the commodore bus via a
din-41612 adapter.
The board had a 6522 to communicate to the hard disk and a boot prom located
in $9000

The network had a server a cbm8096 board mounted in an industrial box.
The server could be connected to 16 workstations and share the hard disk
Connected to the server

The dos was mem/dos 

The communication was assured by a Motorola 6854 high speed differential
serial ports
Something like 256kbis or 512 kbits.

The system was sold with a CII Cynthia D140 hard disk
10 Mb fix + 10 Mb removable 10" cartridge.

I place the eprom on my website tomorrow and I send you the links.


-----Message d'origine-----
De :
[] De la part de Ethan Dicks
Envoyé : mercredi 7 décembre 2011 23:17
À :
Objet : Re: a few eproms recovered...

On Wed, Dec 7, 2011 at 5:04 PM, Didier Derny <> wrote:
> I finally received my eprom programmer..
> boot-poste-3                               boot cbm8096 for a network
station numbered 3
> pc-central-26-4                           boot cbm8096 server (may contain
the driver to a scsi disk)
> if someone is interest by some eprom I can place them on a web site

These sound interesting.  What sort of network?  IEEE-488 (shared
drives, etc)?  Proprietary hardware?

I'd also be curious about what sort of SCSI interfaces were available
for PETs.  One could rather "trivially" hang a 53C80 in some corner of
the memory map and write some driver code, but did anyone actually
make a commercial product for the PET like that?


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Received on 2011-12-07 23:00:44

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