Robotron K1840 .. (11/780 alike..)

Holm Tiffe holm at freibergnet.de
Thu Oct 1 02:34:41 CDT 2015


Jay Jaeger wrote:

> On 9/29/2015 1:22 PM, Holm Tiffe wrote:
> > Holm Tiffe wrote:
> >>
> > Forgot to ask:
> > In the VAX CPU the M8236 should be the Interface to the Console Computer,
> > what is ion the other reEnd in the PDP11?
> > 
> > Regards,
> > 
> > Holm
> > 
> 
> I have one taken out of a VAX 11/780, and my inventory records indicate
> it is an M9400-YE.
> 
> The complete complement of boards in that machine, in slot order:
> 
> M7264-YC  	(CPU)
> M7946		(RXV11 floppy control)
> M7940		(DLV11 serial port)
> M8400-EH	(Memory)
> M9400-YE	(Terminator / VAX Interface - presumably has ROMS too).
> 
> JRJ

Thanks Jay, that clears things up.

Do you possibly want to sell that M9400-YE? (I don't know if the
people in Halle would buy it, I'm just asking to tell them).


Regards,

Holm

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