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Conference stkhlm::magtape

Title:MAGNETIC TAPEDRIVES
Moderator:STKHLM::GJOHNSSON
Created:Mon Sep 21 1987
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3775
Total number of notes:13147

1366.0. "TF857 loader/slot interface error " by EVOIS8::NOTES_CHK () Fri Sep 25 1992 20:01

T.RTitleUserPersonal
Name
DateLines
1366.1seen it ...been thereKAOFS::B_VANVALKENBThu Oct 22 1992 22:4325
1366.2Is LDRTST the cure ?!?EVOIS8::NOTES_CHKWed Oct 28 1992 00:0682
1366.3can't be the magazineKAOFS::B_VANVALKENBWed Oct 28 1992 00:235
1366.4one more clue...ELWOOD::LANEThis space for rentWed Oct 28 1992 18:0017
1366.5whats happening NOWKAOFS::B_VANVALKENBTue Dec 22 1992 21:585
1366.6load problem revisited.CROWES::HULLEYMon Jul 19 1993 23:0910
1366.7Still having problemTROFS::M_NAKAGAWATue Dec 21 1993 23:5261
1366.8DISMOUNT/NOUNLOAD does it.TROFS::M_NAKAGAWAThu Dec 23 1993 02:219
1366.9follow upKAOFS::B_VANVALKENBTue Feb 15 1994 20:5391
1366.10Firmware problem solved ?ZPOVC::THIAMPENGMon Jul 25 1994 23:057
1366.11KAOFS::B_VANVALKENBWed Aug 03 1994 21:418
1366.12One possible answer ....GIDDAY::BENBROOKBrisbane ruLesWed Apr 30 1997 09:5125

	  It's been a few months now, but I was able to spend a little extra 
	time on a TZ867 that had given the "All LED's off except Power Led"
	symptom.   I had heard of this symptom in the past with a few
	customers, and had seen the "don't slam the door" Blitz.

	  What I found was that I could EASILY reproduce the symptom, and,
	EVERY TIME, once it had gone into the above state, a Power OFF/ON
	seemed to be the only way out.

	  All you do to lock the TZ8x7 up is to open the door slightly 
	instead of all the way, and then close it again.    Sounds almost
	microcodish (?), but it could be a mal-adjusted switch - I don't have
	any in-depth info on these drives either, so I can't dig much further.

	  I think most of these failures were TZ867, so can't comment on 857
	or 877 - perhaps the same applies, perhaps not.

	  At least it was REALLY easy to reproduce the problem - and explain
	a workaround to a customer (who might otherwise be requesting a new
	loader unit).

Les Benbrook,
MCS Brisbane