--- Tony Duell <ard(a)p850ug1.demon.co.uk> wrote:
> Those
lamp panels (144 lamps IIRC) are fun. They're used on other DEC
> peripherals as well -- the RK11-C can take one (where it displays most of
> the registers, etc).
Yes, of course. The input signals are all TTL level... and the panel is just
driver transistors and lamps. You could use (e.g) ULN2803 chips to drive
lamps... I probably have a schematic of the panel in the DX11 prints.
OK... so fabrication isn't a big deal, but knowing which cable pins get named
what is. I mean there's disk registers of various types, but just sticking
a gross of bulbs on the end of a cable protruding from the backplane will
result in some pretty interesting, but random lights.
If your DX11 prints surface, cool. No need to go digging. I'm a long way off
from resurrecting the RK11-C. I have an RKV11-D that
I'll use first, to scan
and backup my tower of RK05 packs. I know I've got
RT-11 v4 on RK and v5 on
RL disks; it's just a matter of slapping together a system with RL drives,
RK drives and getting an RL drive on my MicroVAX again for easy data transfer
($ BACKUP/PHYSICAL...) OTOH, I finally landed a DEQNA, but have no idea how
I'd use it under a non-UNIX PDP-11 OS (like RT-11 or RSX), but that's a
different topic for a different day. This is TTY month.
-ethan
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