jsw at ieee.org
Wed Jun 1 08:39:02 CDT 2016
> 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?
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