Maintenance Panel

[Lawrence Wilkinson]

On Thu, 2004-12-30 at 07:24, Andy Holt wrote:
> >    Can anyone identify the system this panel came from?
> >
> > http://sturgeon.cac.psu.edu/~mloewen/Testpanel/
> >
> >    The previous owner thought it was from a Univac mainframe, but on the
> > circuit side is a "HIS" marking (Honeywell Information Systems?).
> >
> 
> Hmm, appearance seems to indicate a 60s/70s design and a 16/32-bit machine.
> 
> It's a lot in the style of the Honeywell mainframes but they were mostly 36
> bit - and the processor maintenance panels took-up most of a door (and they
> were tall doors!).
> 
> Could it be a peripheral controller (probably disk) for their clone of the
> '360?
I was going to suggest something like this:
http://home.the-wire.com/~mwilson/his/DSS170.html
(Honeywell version of the IBM 2314) but 16k microcode seems a lot for a
disk controller and I don't see why it would need to be 16-bit.
-- 
Lawrence Wilkinson                                 lawrence at ljw.me.uk
The IBM 360/30 page                       http://www.ljw.me.uk/ibm360