PDP-11/94-E

[Jerry Weiss]

> On Jun 1, 2016, at 5:04 AM, Rod Smallwood <rodsmallwood52 at btinternet.com> wrote:
> 
> 
> OK from the beginning.
> 
> 1.    The 11/94 is housed in deep box located in a 42inch cabinet. It uses a KDJ11-E Quad proc. board.
> 2.    Two buses (Q and Uni) are housed in the one box and are linked by a special interface card.
> 3.    Via a pair of flat cables the CPU is linked to an I/O panel at  the rear of the cabinet.
>       As well as six nine way D (rs232) and one 25 way D  (rs232) sockets there is a set of dip switches to
>       set up the console serial line parameters. There is also a two digit power on self test progress display.
> 4.    On switch on the self test progress display and the LED's on the edge of the CPU card count down
>        from 77 to 04 (normal run mode)
> 
> 5.    Dialog mode is entered as set by the dip switches on the I/O panel. Sometimes it gives the List Boot etc.
>        Hitting any of the choices just drops you into set up mode. Setup does work and you can save the changes.
> 6.   The main problems are that if you try to get it to boot it says no controller to every device except  DD
>       and that says no drive. Secondly I cant get it to go into ODT to look at the registers.
> 
> Comments please
> 
> Rod Smallwood
> 
> 
> 
> 
> 1. The PROM appears to be genuine DEC. KDJ11-E Monitor V 1.06
> 
> 2.  I have seen it  the mode where it offers List etc but only with VT100
> 
> 

It would appear that deviced on the Unibus is inaccessible.  DD is run off the KDJ11-E serial ports.

Have you checked the Unibus supply voltages?    KDJ11-T properly seated?
Is there a good battery for the TOY clock inserted?    

Jerry