ROS
TEST
Operating Procedure
1.
Mount ROS test supplied with system on appropriate I/O unit (tape reel, hypertape
cartridge, disc pack, etc.).
2.
Set load unit switches to address
of
I/O unit.
3.
Set Test
Mode
key to
ROS
position. Set
CPU
Check key
to
Disable position.
4.
Press system reset.
5, Set 8T reg
to
all 1
'g
by
setting all data keys to 1 and pressing Store key. Address keys
may be
at
any value.
6. Press Load key.
Test should stop with the following indications:
a.
S reg=all
l'g
(roller 1 pas 3)
b.
T
reg=all
D's
(roller 2 pas
3)
c.
Pass
tgr-on (roller 5 pas 2)
d.
Unct tgr-on (roller 5 pas 2)
e.
Erslt tgr-on (roller 5 pas 2)
f.
Bfr
I tgr-on (roller 5 pas
2)
7. Press Restart FLT I/O key.
Test should stop with the same indications
as
above.
8. Press Load key.
Test should stop with the following indications:
a.
S
relC"all
D's (hex)
b. T
regoFFFFODDD
(hex)
c.
Fail tgr-on (roller 5 pos 2)
d.
Condt tgr-on (roller 5 pos 2)
e. Unct tgr-on
f.
ErsIt tgr-off
g.
Bfr 1 tgr-on
If
the above stops with their appropriate indications are
not
observed, there
is
a
hardcore ROS test hardware failure. Refer
to
maintenance manual 226-2039-1 and
M8006 (LADS) for error analysis.
9. Press Restart
FLT
1/0
key.
There are
no
further stops until the successful completion
of
the tests or until
an
ROS bit error
is
detected.
Successful completion:
Test should stop with the following indications:
a.
S reg=alJ 1'5
b.
T reg=all
l's
c.
Pass tgr-on
d.
CPU test adr 0-3 on (roller 5
pas
2)
e.
Lfthf
tgr-on (roller 5 pos 2)
f.
Unct tgr-an
g.
Candt
tgr-on
h. Erslt tgr-on
S/360
MODEL
65 47
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