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IBM System/360 2050 User Manual

IBM System/360 2050
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SELECl
OPTIONS
IN
5010
AND
INHRl~UPT.
01
06
07
08
OA
OD
12
TT
OY
----
OY
XXXX
OY
XXXX
OY
----
DY
XXXX
DY----
DY
XXXX
EOOl
PRINT
TOR
FAIL
FOR
EACH
RTNE.
PRINT
FIRST
ERROR
OF
EACH
RTNE.
LOOP
ON
RTNE
XXXX.
PRINT T
OR
FAIL
FOR
EACH
RTNE.
LOOP
ON
RTN~
XXXX.
SUPPRESS
T
PRINTING.
SUPPRESS
T
PRINTING.
LOOP
ON
RTl'-IE
XXXX.
LIST
FAILING RTNES.
LOOP
ON
TEST
TT
OF ROUTINE XXXX.
SDR
CONTAINS
ADDRESS
OF
DIAGNOSE
INSTRUCTION
FOR
LOOPING.
IW--
..
____
E
indicates
hardcore
E021
COOi
~1£!_
__
.
_____
C
indicates
common
channel
Cl
11
T COil
T Cl21
1000
1011
T 1021
T
~2,.._
_____
S_e_ri_es
T 1031
1032
T
11
oI,...
_____
R_o~u_t_in_e
T 1102
T 1903
(XXXX)
(TT)
Storage
location
5010 •
WW<NXXXX
WW
refers
to
MCxxx
pages in Volume l of
ALO
Maintenance
Diagrams
Y
denotes
channel
number:
01
:
channel
1
10
~
channel
2
11
•·
channel
3
XXXX
denotes
series
and
routine
Storage
location
5014
·•
TT
(if
EC
255458 or
above)
TT
denotes
test
number
TEST
NUMBER
o:fil-5}]:-----;EST
1-,JAME
IF
CONTROL
CK-OP
IN
TEST
TIME
CYCLE
Unit-Select-Drop-OP
IN
SYNC
POINT
ROS
FC5
~(Number
of
successful times through the test
loop.)
LOOP
NUMBER
IQQI
Diagnose Adr
11
FD8i-(Addre"
to be
placed
in
oddreS! keys to loop on this
test.
A A R INDICATES
GOOD
PATTERN
IAR
r_epeat
k~y
must be
use~
to
loop.
1
Caution·
This test must be
in
core.)
CHANNEL 1
IS
SELECTED
IN 5011
GGl
31
AC4
24
CH CHK SIM (What the result should
have
been)
GE101AM4
30
CH
CK
IF
CL-(Exomple
l)
GA131AP4
29
CC
PH
A
SPO
0
GB181AG4
02
PREG
UNIT
SEL
GB181AT4
05
PREG
END
UP
0
GA131AT2
09
CC
PHASA
ST2
G8151AG4
17
REQ
R
PR13-(Bit
description)
GB101AC4
21
REQ
REG
3
GV1l
1AJ4
19
STOP
REL
0
GS111AJ4
31
ENBL
STAT
IN
0
GR101AQ4
21
OP
iN
TEST
0 GR101AD4
23
SEL
OUT
1 IGB17ll AV4
~
POS
REG
TRF
-(Example
2)
Fail
1921
\
~Bit
position (see NOTE)
CNet
(bl.,ck
AV
line
4)
ALO
page
number
FIGURE
49.
PROGRESSIVE
SCAN
PRINTOUT
(SEL
CH)
NOTE- Refers to a position
in
one
of the
selector
channel
indicator
rows
(1-6),
--
Note
that
positions
28-31
indicate
one
of
two
possible
bit
positions.
Example l (position 30)
indicates
the
actual
bit
position
(30)
on roller
row
3.
(position 28)
indicates
the
parity
bit
position
for
0-7
on
roller
row
5.
To
find
the
indicated
bit
you must compare
the
description
with
the
selector
channel
roller
chart>. The
parity
positions
that
ore
now shown
as
28-31
will
soon
be
5hown as positions
32-35
to
eliminate
this
condition.
The error
printout
portion (1921-14)
indicates
on
interface
control
check
failure.
Using
the
selector
channel
IF
control
check
page
(E1411-01),
or
the
analysis
page
(El
321-01)
in Volume 1
of
ALO
Maintenance
Diagrams,
the
failure
con
be
quickly
diagnosed.
To
oee
if
an
indicator
is
on
while
looping
IAR
on
the
diagnose
address,
raise
the
repeal
IAR
switch
and
look
at
roller
position.
Lower
switch
la
resume
looping.
Maintenance
Features
(3/71)
73

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IBM System/360 2050 Specifications

General IconGeneral
BrandIBM
ModelSystem/360 2050
CategoryComputer Hardware
LanguageEnglish

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