IBM System/370 145 Reference Summary page 63

Function Rate A/B CID
Switch Switch Switch
Read
Proc
T/S
xx
Recycle Proc
TIS
xx
CE Mode N/A N/A N/A
Byte CF
TIS
Byte
Counter Byte Count
Match Count
Hdstp
Byte Proc
TIS
Byte
Counter Count
Sync
Diag/CF
Control
Read
Recycle
CE Mode
Read
Recycle
Purpose
Begin Reading from
Selected Track/Section
Recycle Selected
Track/Sector
Continuous Power to
File Independent of
CPU Operation
Hardstop Match on
a Byte Count Value in
Diagnostics Using CF
Load/Execute in a
Given Track/Sector
Sync on a Given Byte
Count in Diagnostics
Using CF Load/
Execute Within a
Track/Sector
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