IBM System/360 Field Engineering Manual

1442 Card Read Punch 71
Commands • 71
Status Byte • 71
Sense Byte . 71
1443 Printer . 72
Commands • 72
Modifiers for Write and Co.ntrol • 72
Status Byte . . • . • 72
Sense Byte . . • • . , • • 73
2250 Model 1 Graphic Display Unit . 74
Commands • • • • • , • • 7 4
Summary of Status and Sense Information. 74
2702 Transmission Control . . • • • • 75
Command Decoding • • . • • • • • 75
Mode Control Codes from Control-Type Command, Bits 3,4,and 5 76
Mode Control Codes from Terminal Controls 76
Sequence Control Cards 77
Status Bytes (loitial and Ending) • 78
Sense Byte • • 79
2803 Tape Control 80
Status Byte . . 82
Sense Bytes 83
Timings •• , 86
2400/2800 Control Unit Information. 89
2821 Control Unit , 90
Commands • 90
Modifiers . 90
status Byte • 91
Sense Byte . 91
2841 storage Control 92
Commands • • 92
Seek Address • 93
File Protection 93
Status Byte . . 93
Sense Information Summary 94
Data Format (2302) 96
Data Format (2303) 98
Data Format (2311) 100
Data Format (2321) 102
Data Format (2314) 104
7340 Hypertape Drive 105
Commands • • • 105
Diagnostic Modifiers 106
Sense Bits • • • • 106
SYSTEM/360 SERVICE AIDS • 109
CE Indicator Latch Card • 109
CHANNEL SERVICE AIDS • 110
Interrupt Conditions • • • 110
Selector Channel Read Sequenc:e • 111
Multiplexor Operation • . • . 112
1/0 Interface Flow Charts • . • 115
Initiation of Polling or Sele1~tion • 115
Control Unit Response to Select-Out 116
Command Transfer . • . . . • 119
status/Data Presentation . . • • 121
Response to status/Data Presentation . 122
Response to Stack/Stop/ Accept . . 124
Response to Fall of Status/Service-In . 125
Burst_ Mode Waiting Loop 126
1/0 SERVICE AIDS • • • • 127
Interface Connectors 127
Interface Connector Chart . 128

IBM System/360 Specifications

General

Brand	IBM
Model	System/360
Category	Desktop
Language	English