EasyManuals Logo

IBM System/360 20 User Manual

IBM System/360 20
178 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #110 background image
In
this
section
(.!test~f.LR.roceQ.l!.re§)
and
in
th.e
list
of
PrQg:rammed.=HalL12i§l2.lays,
codes,
data,
and
addresses
of
storage
loca-
tions
are
given
in
hexadecimal
notation.
General
register
numbers
are
given
in
decimal
notation.
,..--,
\
1\
The
halt
indicates
one
of
the
follow-
L--.J
ing
conditions.
a)
The
hopper
is
empty.
Place
cards
into
the
empty
hopper.
Press
the
start
key
of
the
affected
uni
t.
Press
the
start
key
on
the
CPU
console.
b)
The
hopper
is
not
empty.
In
this
case,
the
affected
unit
has
not
been
started.
Press
the
start
key
of
the
affected
uni
t.
Press
the
start
key
on
the
CPU
console.
.---,
\
21
The
halt
indicates
one
of
the
follo-
L--.J
wing
conditions.
,.--,
a)
The
hopper
is
empty
and
there
are
still
cards
to
be
processed.
Place
cards
into
the
empty
hopper.
Press
the
start
key
of
the
affected
uni
t.
Press
the
start
key
on
the
CPU
console.
b)
The
hopper
is
empty
and
there
are
no
more
cards
to·be
processed.
The
card
that
was
the
last
one
in
the
hopper
has
not
yet
been
processed.
Therefore,
the
system
must
be
restarted.
c)
Press
the
start
key
of
the
affected
uni
t.
Press
the
start
key
on
the
CPU
console.
The
hopper
is
not
empty.
In
this
case,
the
affected
unit
has
not
been
startE~d.
Press
the
start
key
of
the
affected
uni
t.
Press
the
start
key
on
the
CPU
console.
\
31
The
stacker
is
full,
or
the
cover
is
L--.J
open,
or
the
chip-box
is
full
or
mis-
positioned
(punching
devices
only)
,
or
the
print-line
selector
is
not
locked
(2560
only)
r--,
Correct
the
error
condition.
Press
the
start
key
of
the
affected
unit.
Press
the
Start
key
on
the
CPU
console.
I
41
The
read
instruction
that
led
to
the
L--J
error
halt
is
re-executed
upon
r--,
restart.
Remove
the
input
deck
from
the
hopfer.
Press
the
NPRO
ke1.
Remove
the
last
two
cards
from
the
stacker
and
place
them
in
front
of
the
input
deck.
Check
the
card
that
is
now
the
first
card
of
the
input
deck
(i.e.,
the
card
that
caused
the
error)
and
correct
it
if
necessary.
Return
the
input
deck
to
the
hopper.
Press
the
start
key
of
the
affected
unit.
Press
the
start
ket
on
the
CPU
console.
I 51
The
error
that
caused
the
halt
is
L--.J
irrecoverable
,.--,
Re-initiate
the
system
run,
begin-
ning
with
the
IPL
procedure.
I 61
The
punch
instruction
that
led
to
the
L_J
error
halt
and,
if
the
affected
unit
is
a
2520
card
read-punch,
the
preced-
ing
read
instruction,
are
re-executed
upon
restart.
If
the
device
is
used
for
punching
only,
follow
restart
procedure
10.
Otherwise,
perform
the
following
steps.
Mark
the
last
card
in
the
stacker
(stacker
2
for
any
model
of
the
2520)
Remove
the
hopper
deck.
Press
the
NPRO
key
and
place
the
cards
ejected
by
the
NPRO
in
front
of
the
hopper
deck.
Remove
the
marked
card,
which
is
the
card
that
caused
the
error,
from
the
stacker
and
check
it.
If
it
does
not
contain
any
entries
o-
riginating
from
earlier
processing,
discard
it
and
place
a
blank
card
in
front
of
the
hopper
deck.
If
the
card
does
contain
such
entries,
transfer
these
entries
to
a
blank
card
manually,
discard
the
marked
card,
and
place
the
newly
prepared
card
in
front
of
the
hopper
deck.
The
second
card
in
the
hopper
deck
(behind
the
blank
or
newly
prepared
card)
may
have
been
misread.
Check
110
System/360
Model
20
TPS
Operating
Procedures

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the IBM System/360 20 and is the answer not in the manual?

IBM System/360 20 Specifications

General IconGeneral
BrandIBM
ModelSystem/360 20
CategoryStorage
LanguageEnglish

Related product manuals