DELUA technical manual, VAX diagnostic

Matt Burke matt at 9track.net
Mon Nov 17 14:59:12 CST 2014


On 17/11/2014 19:05, 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.
>
>

You can get the VAX-11 diagnostics tape here:

ftp://ftp.trailing-edge.com/pub/vax_dists/vax11780diagnostics_vaxsim.tap.bz2

Copy the tape to your system disk (example with a TS11 drive):

$ BACKUP MS0:/SAV SYS$SYSDEVICE:[*...] /LOG

The diagnostics live in [SYS0.SYSMAINT]. If you boot from your system
disk with R5 flags set to '10' it will boot to the diagnostic
supervisor. You need to attach several devices before you can see the
filesystem e.g.:

DS> ATTACH KA785 SBI KA0
DS> ATTACH DW780 SBI DW0
DS> ATTACH UDA50 DW0 DUA
DS> ATTACH RA82 DUA DUA0
DS> DIR DUA0:[SYS0.SYSMAINT]

DS> RUN DUA0:[SYS0.SYSMAINT]EVDYB

The help is in [SYS0.SYSMAINT]EVDYB.HLP

I think you can also copy a subset of the diagnostics to a console
floppy and boot from that. You won't have to attach the disk controller
in that case.

Matt


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