IBM System/360 2050 Maintenance Manual page 191

Processing unit
Table of Contents

Advertisement

Fail tri11er
33
Failure detection
11
Fault locating tests (FL T
1
s)
41
bad FLT records, how to skip
S7
checkout after repair
61
clock advance
SS
compare and branch, FLT
SS
cycle tests
S 1
cycle tests, areas tested
41
cycle tests, documentation
61
cycle tests, flowchart
S3
cycle tests, loading to
S 1
cycle tests, operating procedures
S3
cycle tests, repair procedures
S8
cycle tests, test methods
S 1
cycle tests, word format
48
disk packs, contents of FLT
41
documentation
61
expected response, mask and
46
fetch/execute I.CW
S2
hardcore tests, areas tested
41
hardcore tests, documentation
61
hardcore tests, main store mode
46
hardcore tests, operating procedures
S3
hardcore tests, ROS mode
48
hardcore tests, test methods
46
indicators, scan-out logic and
28
load checking program
46
load controls (seq ctr and stats), FLT
22
load, FLT
42
load, from disk, FLT
4S
load, from tape, FLT
42
load paths (via scan-out logic),
28
loa.d, skipping bad records on FLT
S7
load, succellful FLT
4S
load to cycle tests, FLT
S 1
load, unsuccessful
45
mask and expected response
46
one-cycle tests
S 1
operating/repair procedures
S3
parity generation
60
ROS bit tests
47
ROS bit tests, documentation
61
ROS mode tests
48
run and repair procedure
SS
scan-in
S1, 60
scan-out
S3, 60
scan-out controls (scan/log decoder)
22
scan-out (locations/data)
24
scan-out (logic/indicators)
28
scan-out (parity bit propagation/generation)
23
SCOPF.X
61
sensitive net -- see SCOPF.X
61
tapes, contents of FLT
41
test methods
46
tree -- see SCOPF.X
61
zero-cycle tests Sl
FLT op reg
22
Fold operation
33
Frame and gate locations
127
Functional diagnostics
11
Functional units
22
ALO locations
13
backspace trigger
43
190
Model SO FEMM
(3/71)
binary triger
33
command chain trlgger
44
CCW1, CCW2, read store, or write fetch request trigger
43
CHAL
28
clock oscillator
39
clock stop triggers
37
CPU control mode triggers
34
cylinder counter
44
OTC trigger
43
error interrupt trigger
38
error pending trigger
38
eft'!)l' register
77
fall trigger
33
first/second word trigger
43
FLT compare and branch kemel
29
FLT load request trigger
37
FLT op reg
22
FLT program load trigger
37
FLT retry trigger
43
general purpose stats (0-3)
23
hardware address (HA 1
1
2) triggers
32
indicators, control panel roller
28
inhibit IAR count trigger
43
interface register
64
load trigger
37
log request trigger
37
log trigger
33
main store mode request trigger
37
main store mode trigger
20, 37
oscillator, clock
39
parity generator
28
pass trigger
33
progressive scan stat
33
PSW restart trigger
3 7
reset/restart controls
37
retry trigger, FLT
43
read store, CCW1, CCW2, or write fetch request trigger
43
ROS kemels
22
ROS mode request trigger
37
ROS mode trigger
20
scan
bus
28
scan-in kemel
22
scan/log decoder
22
scan-out kemel
23
scan test counter
33
seek control trigger
44
seek trigger
44
sequence counter
22
sequence counter mode trigger
18
sequence stats
22
SIU trigger
44
single cycle mode trigger, timed
38
start 1/0 to 1/0 trigger
43
stop request trig er
3 7
storage holdoff clock stop trigger
3J
supervilOl'Y enable storage stat
33
supervisory stat
33
suppreu incorrect length indication trigger
44
system reset trigger
3 7
write fetch, CCWl, CCW2, or read store request trigger
43
Fuses
127
HA-A (microorder)
23
Halt loop operations
1S9

Advertisement

Table of Contents
loading

Table of Contents