29 Oct
2001
29 Oct
'01
4:11 a.m.
This is an Ultrix tape? You have threaded and LOADED
the tape right? And
the machine is online?
The BOT, ONLINE and LOGIC ON leds are lit?
yes, yes, yes, yes, yes, and yes :-)
The error basically means the device you are trying to
access doesn't
respond or isn't there.
yes, but why?
I think you have the device name wrong, just looking
in book to try and see
what it should be.
...
So I tried
checking for the TU81's unit number (may be it's
MU1 or MU4 or MU213, who knows? First thing is when I power
up the TU81 it shows 000 on the front panel, but as soon
as it is initialized the display remains blank. So, perhaps
it has no unit number set at all?
I don't think it has one, mine shows under VMS as ENIGMA$MUA0
That certainly how mine behaves. Have you tried to boot from MUA0 instead
of MU0?
The TK70 is CSA1 so that could be it. >> BOOT CSA1
works just fine, so does
>> BOOT /XMI:D /BI:6 CSA1
but when I dod
>> SET BOOT TAPE /XMI:D /BI:6 CSA1
>> BOOT TAPE
it barks to me with illegal boot specification after initializing.
But that's just an aside.]]]]
It doesn't actually SAY you can boot from a TU81,
but it doesn't say you
can't either.
Not sure what else it could be off hand, will have a
closer look at the boot
flags, might be something special needed for tape.
Never actually done a tape boot, boot flags look sus for ultrix though.
Yes, that would be the crucial question? Can you even boot from
TU81+. Given the rest of the orthogonal DEC design, I would be
highly surprized if one could not. Also, I'm pretty sure that
BSD used to be distributed on 9-track, bootable, presumably. But
I would appreciate a confirmation of this. If someone could test
copying a bootable TK to TU and then try TU booting?
Meanwhile I have a lead on the E77 that I get when I want to
set the TU unit number. So, this may be the cause of the
unresponsiveness at boot time.
Thanks,
-Gunther
--
Gunther Schadow, M.D., Ph.D. gschadow(a)regenstrief.org
Medical Information Scientist Regenstrief Institute for Health Care
Adjunct Assistant Professor Indiana University School of Medicine
tel:1(317)630-7960 http://aurora.regenstrief.org