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8~~37530
DISK STORAGE SUBSYSTEM
CDC 33800
CDC 895
HIS MSU 8200
BZ640
BZ8G1
BZ8H1
FV716
FV7A5
TROUBLESHOOTING INTRODUCTION
ROUTINE DESCRIPTIONS
OPERATING PROCEDURES
HARDWARE DIAGNOSTIC REFERENCE MANUAL
REVISION RECORD
. REVISION DESCRIPTION
A Manual released.
(10-10-83)
B Incorporate Engineering/Field Change Order
(02-08-84) DJ18013 (Revision J of MF126H disk). Revised
sense information and routine descriptions.
Added Fault Symptom Codes and the following
routines: C87 Test 2. C91. and C95. Miscel-
laneous technical and editorial changes. This
edition obsoletes all previous editions.
C Incorporate Engineering Change Order DJ18014
(10-12-84) (Revision K of MF126H disk) and DJ18017 (Revi-
sion M of MF126H disk). This edition obsoletes
all previous editions.
D Miscellaneous technical and editorial changes.
(06-11-85) Incorporate the following Engineering Change
Orders (no Field Change Orders) against the
following MF packages (numbers/letters in
parentheses are disk tabs/revisions):
MF126H
18021 (13/P)-Add test D to routines CAO and CAl
18027 (14/R)-Add routine C9F
MF131H
18023 (Ol/B). 18025 (02/C)-Miscellaneous tech-
nical changes
MF132H
18022 (Ol/B). 18024 (02/C)-Miscellaneous tech-
nical changes
REVISION LETTERS I. O. Q Address comments concerning this
AND X ARE NOT USED. manual to:
Control Data Corporation
Technical Publications Dept.
@ 1983. 1984. 1985 7801 Computer Avenue
By Control Data Corporation Minneapolis. Mn 55435
Printed in the "United States or use Comment Sheet in the back
of America of this manual.
ii 83337530 D
LIST OF EFFECTIVE PAGES
; . ", ~ ':,,~ .' . .
Sheet 1 of 5 r'
New features, as well as changes, deletions,
and additions to information in this manual are
indicated by bars in the margins or by a dot I-
near the page num"ber if the entire page is I
affected. A bar by the page number indicates
pagination rather than content has changed.
Cover xxxi c
Blank xxxii c
Title P xxxiii c - ~.. : .. O.C :
ii D xxxiv c
iii D xxxv c
iv D Blank
v D S-l Div
vi D Blank
vi-a D 1-1 c.
Blank 1-2 c
vii C 1-3 c
viii C 1-4 c
ix D 1-5 c
x D 1-6 C
xi D 1-7 D
xii D 1-8 C
xiii D 1-9 C
xiv D 1-10 C
xv D 1-11 C
xvi D 1-12 C
xvii D 1-13 C
xviii D 1-14 C
xix D 1-15 C
xx D Blank
xxi D S-lA Div
xxii D Blank
xxiii D 1A-1 c
xxiv D lA-2 c
xxv D 1A-3 c
xxvi D 1A-4 c
xxvii D 1A-5 c
xxviii D 1A-6 c
xxix C lA-7 c
xxx C 1A-8 c
83337530 D iii
LIST OF EFFECTIVE PAGES (Contd)
Sheet 2 of S
PAGE REV PAGE REV
lA-9 C lC-6 C
lA-lO C lC-7 0
lA-ll 0 lC-S C
lA-12 0 lC-9 0
S-lB Div lC-IO C
Blank IC-II C
IB-I C IC-12 C
IB-2 0 Blank
IB-3 D IC-14 D
IB-4 0 IC-1S 0
IB-S D IC~16 D
IB-6 0 lC-17 0
IB-7 D lC-1S C
IB-S D lC-19 C
IB-9 D IC-20 C
IB-IO D lC-21 D
IB-II D lC-22 C
IB-12 D IC-23 D
IB-13 D IC-24 C
IB-14 D IC-2S C
IB-15 D IC-26 C
IB-16 D IC--27 D
IB-17 D IC-2S C
IB-IS D IC-29 C
IB-19 D IC-30 C
IB-20 D IC-3I C
IB-2I D IC-32 C
IB-22 D IC-33 C
IB-23 D IC-34 C
IB-24 D IC-35 C
IB-25 D IC-36 D
IB-26 D IC-37 C
IB-27 D IC-38 C
Blank IC-39 C
S-IC Div IC-40 C
Blank IC-4I D
lC-1 C IC-42 D
IC-2 C IC-43