7942A/7946A-02 - HP 7942 Service Manual

Disc/tape drives
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7942A-l
7946A-l
Service Notes
7942 and 7946
SERVICE
NOT E
Supenec:l .. :
APPLIES TO:
All
UnttI"
Only Units on AgtMment
0
7942/46J' Disc/Tape Drive
.... FORM:
l""'*'i.tely 0
AI
PMlNormaI C.II 0
OnF.".O
Information
Only
II
All "Ser:ial Numbers
WARRANTY:
IXTINDID
NORMAL
NONE
LMOIt
X
End-of-1File Error
During Copy Data
'ARTS:
TRAYlL:
X
X
SERVICE
R.turn for update
0
Ute.
it 0
INVINTORY
Rltum
for .. "...
0
Set
t.xt •
WARRANTY EXTENDED UNTIL:
N/A
SYMPT(J.f:
An
"End of File Error" is reported when using a sy.stem initiated
full volume "copy data" routine to restore the entire volume from
tape to disc.
CAUSE:
A firmware bug reports an End of File error although the copy data
operation will complete with no loss of data.
SOLUTION:
The following workarounds will prevent this error:
HW/rl
9320-4766 (1/8:3t
If copy data is initiated with a length parameter (other than a-I)
then the operation will complete without error.
If a full volume copy data from the tape to the disc is initiated by
the "From Tape" push button, then the operation will complete without
error.
If the restore tape was
cre~ted
without an End-of-File mark then a syste
initiated copy data routine to restore the entire volume from tape to
. disc will complete without error.
This bug appears with the following 9000 system utilities:
Series 200
Basic 3.0 TAPE BACKUP
(Rev C)
Pascal 3.0 TAPEBKUP (Version 3.0)
HPUX 2.1 SYSTEM T8 (Rev 2.0)
Series SOO
-
Basic 2.0 DISC BACKUP
(Rev 2.1)
HPUX 4.0 TCIO
This bug is not serious enough to warrant a firmware revision.
rli~
HEWLETT
~1!.tI
PACKARD
.011 MOAI INPOIIMAnON, CALL YOUII LOCAL "1AL11 011 .IIVICI OPPICI or Eat (2011
_-1000 .
Midwest (3121 256-8800 • South (4041 15&-1500 • West
(2131 170-7100 or (4111 ..... 200 011 WRITI, HewIett-hckerd, 1820
EmbIradIro, ....
0
Alto, Catiforn .. M303.
IN IUIION, CALL YOUII LOCAL HP SALES or
.nlCl OP'ICI 0. WRITI, HewIett-hckerd loA., 7. rue du Ioilodu-...... P.O. lox, CH·1217 Meyrin 2 •
o.n.v..
Swiuerlend. IN JMAN, Yok.,......HMt .. t.pKk.rd Ltd ••
1-27-11, Ya ......... Chy,
ICaNgMe
PNfectuN, ....... 221.
.
@
1883 HeWIett-IP8ck8rd
Compeny
Printed
In U.S.A.
8-3/8-4

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