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Chapter 5. Reference Information
Restart Procedures for the IBM 5424 Multi-Function Card Unit (MFCU)
There are no separate operating procedures for the 5424
MFCU Attachment. Operating procedures for the 5424 MFCU are
contained in:
System/370 5424 Multifunction Card Unit Programmer's
Reference and Operator's Guide, GA21-9167.
There are a number of restart procedures for the 5424 which
are given as operator codes and are issued at the end of
operating messages. These codes and restart procedures are
explained in the following pages.
The restart code (RS) numbers are:
00
Not ready
10
Read check
12
Read check and print check
20
Punch check
21
Punch check and read check
22
Punch check and print check
23
Punch check, read check and
print check
30
Print check
40
Hopper check
42
Hopper check and print check
50
Feed check
51
Feed check and hopper check
54
Feed check and punch check
55
Feed check, hopper check and
punch check
60
Error on recovery
When the second digit is a number
other than 0, a second, simultaneous
check has occurred.
Restart Information Field
For the IBM 5424 (MFCU) the error messages provided by the
operating system are extended by the
1
'Restart Information
Field'
1
•
This field is present only when a permanent error
Reference Information
5-
1
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