PDP-11/94-E

[Rod Smallwood]

On 01/06/2016 14:39, Jerry Weiss wrote:
>
>> 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?
TOY battery did need a change. (got to go get one)
Would that have caused the problems?

Rod