Cromemco & Persci drives (was PS/2 interface &c)

M H Stein dm561 at torfree.net
Thu Sep 20 12:18:58 CDT 2007


Date: Wed, 19 Sep 2007 16:23:01 -0400
From: "Roy J. Tellason" <rtellason at verizon.net>
Subject: Re: Cromemco & Persci drives (was PS/2 interface &c)

>On Wednesday 19 September 2007 03:55, M H Stein wrote:
>> Date: Tue, 18 Sep 2007 22:56:31 -0400
>> From: "Roy J. Tellason" <rtellason at verizon.net>
>> Subject: Re: Cromemco & Persci drives (was PS/2 interface &c)
>>
>> <snip>
(Re: Cromemco System 3)
>>>
>>>It's been a really long time since I played with it,  but I remember the
>>> rest of the system working okay,  more or less.  There's a CPU board and
>>> a 64K RAM board in there,  besides the FDC (which if I'm remembering
>>> right also has the printer port on it).  Does 16FDC sound right?
>>
>> 16FDC sounds right but this takes us back to the original topic: that DB-25
>> is the RS-232 console port, not a printer.

>I seem to remember a whole bunch of DB25 cutouts in the rear panel of that 
>machine...

For the real printer port(s) and extra RS-232 ports for I/O or multi-users.

<snip>

>Speaking of which,  I just discovered handy a loose-leaf binder 
>labeled "Cromemco Systems Documentation" which has everything I might 
>possibly need in there,  including data on all the cards,  the drive,  and so 
>forth,  including schematics and other pertinent technical details.  Wouldn't 
>it be nice to get that sort of info with other stuff!  :-)

Cromemco were one of the most professional of the computer makers of the
day and sold many systems to labs, educational and government users, especially
the army, navy & air force, and a big multi-box installation at the NYSE IIRC; 
mind you, their prices reflected that...

Also one of the few who, at least in name, are still around...

m




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