IBM System/360

CONTENTS
OPERATION CODES.
CODE CHARTS 31
Extended IBM Card Code to Hexadecimal . 31
American Standard Code For Information Interchange (ASCII)
Extended to Eight Bits 32
Hexadecimal and Decimal Conversion . 33
Hexadecimal Addition . . 33
Hexadecimal Multiplication 34
PERMANENT STORAGE . 35
Permanent Storage Assignme·-1t 35
Input/Output Operations. 36
SI Format • . . . 36
Channel Address Word . 36
Channel Command Word 36
Channel status Word. 37
Program Status Word • 37
INTERRUPT SETTINGS. 38
OPERATOR PANEL. . 40
Operator Panel Indicators . 40
DIAGNOSTIC PROGRAMS . 41
REFERENCE DATA. . . 46
Circuit Data . . . . . 46
Definitions of ALD Page Number Prefixes 46
SLT ALD Logic Block . . . . . . . 48
ALD Title Block, Page Number and Version, and Engineering
Changes . . . • . . • . 48
Net Numbers . . . • . . . . . . . • . . . • . 48
Connector Location Designations . . . . . . . . . . 48
SLT Board Layout and Pin Addressing Scheme (Board Card Side) • 49
SLT Circuit Measurements and Transitions 51
SMS ALD Logic Block . 52
SMS Line Levels • . . 53
Component Nomenclature 54
Address Cards 56
1052/2150 . 56
1442/1443 . 56
24XX/28XX. 57
2821 . . . 58
Priority Jumper Card 61
Eight-Bit Code -- BCD Relatinns 62
Standard Type Array Chart (l,103) 64
INPUT/OUTPUT DEVICES 65
1052 Printer-Keyboard . 65
Commands . 65
Status Byte . . . . 65
Sense Byte . . . . 6 5
1052/2150 Locations. 66
1052 Test Character Wiring 66
1052 Keyboard Code Translation and Printer Output 67
1412/1419 Reader Sorter 68
Commands . . . 68
Control Commands 68
status Byte . . • 6 8
1412 Sense Byte 1. 69
1412 Sense Byte 2. 69
1419 Sense Byte 1. 70
1419 Sense Byte 2. 70