Singer 40 - Condition Code Summary for Errors; Interpreting Condition Codes

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9 CONDITION CODE SUMMARY
Table 9-1 summarizes the various Condition Codes associated with the Models
40 and 42 Disc Drives.
Table 9-1. Condition Code Summary
Condition Codes Meaning
1 (Error)
Sector could not be read.
OR
Read/write heads positioned at wrong track.
2 (Normal)
O.K.
3 (Flag)
Instruction addressed the non-existent arm (arm 2) of
a Model 42
Disc Drive.
OR
Sector could not be written on.
OR
Attempted to read a sector which was marked ''bad.''
OR
Attempted to read or write a sector which had not been
initialized.
4 and 1 (Fault)
Disc drive not on-line.
OR
FILE UNSAFE condition sensed during a read or write
operation.
Models 40 to 42 Reference Manual
9-1