DELUA technical manual, VAX diagnostic

Johnny Billquist bqt at
Tue Nov 18 00:39:30 CST 2014

On 2014-11-17 11:05, Rich Alderson wrote:
> We have a crumbling DELUA in the VAX-11/780-5 at LCM.  There is a copy of
> the *User's* Manual at Bitsavers, but not the *Technical* Manual.  Does
> anyone happen to have a copy lining the hamster cage floor, vel sim.?
> The User's Manual refers to a diagnostic, EVDYB, which "runs under the VAX
> diagnostic supervisor (VDS)."  Does anyone here have either of those things,
> or pointers to them?  In the mean time, I'm going to try to get the PDP-11/70
> to run CZUAD from a simulated TU58, but I'm told that getting the DELUA into
> and out of the crowded Unibus backplane is an exercise in bloodletting.

Don't have the manual. I *might* have the diagnostics. I need to check 
when I'm back in Seattle in a couple of days.

What is "crumbling" about the DELUA?


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