IBM System/370

CONTENTS
section 01: System Highlights •••••••••
section 10: Architecture and System Components
10:05 Architecture Design ••••••••••
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6
10:10 The Central Processing Unit (CPU) and the System Console.
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8
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Central Processing Unit. • • • • • • • •
Instruction and Execution Units. • ••
Local Storage and Control Storage. • •
Program States and System Interrupts •
CPU Features. • • • • • • • • • •
CPU Cooling. • • • •
Motor Generator Set. • •
System Console • • • • •
10:15 Storage. • • • • • • • • • ••••
Processor (Main) Storage • • • • • •
Processor Storage Reconfiguration.
Storage Ripples. • • • •
High-Speed Buffer storage. • • • • •
10:20 Channels ••••••••••
General Description. • • •
The 2880 Block Multiplexer Channel •
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10:25 Block Multiplexing Operations with Rotational Position
Sensing Devices. • • • • • • • • • '. • • • • • • • • • • • 30
Summary of Block Multiplexing Operations with I/O
Devices. • • • • • • • • • • • • • •
10:30 Standard and Optional System Features.
Standard Features. • •
Optional Features. •
Section 20: I/O Devices •••
20:05 I/O Device Support •••••
20:10 3330 Disk storage and 3830 storage Control •
20:15 The 2305 Fixed Head Storage Module and 2835 Storage
Control Models 1 and 2 • • • • •
Data Recording on the Model 2. ,.
Data Recording on the Model 1 ••
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Effective Capacity of 2305 Facilities. •
Rotational Position Sensing and Multiple Requesting ••• 47
20:20 The 3211 Printer ••••••••
Section 30: Programming Systems Support.
30:05 Trends in Data Processing and Programming Systems ••
30: 10 OS support • • • • • ,.
Section 40: Emulator Programs.
40:05 Features Common to 7000-Series Emulator Programs
40:10 7070/7074 Emulator Proqram ••••••
40:15 709/7090/7094/709411 Emulator Program ••••••
40:20 7080 Emulator Program. • • •• • ••••• _
Section 50: Reliability, Availability, and Serviceability (RAS)
Features • • •
50:05 Introduction ••••••
50:10 Recovery Features. • • • • • • • •
Automatic CPU Retry. • • • • • •
ECC Validity Checking on Processor Storage • •
I/O Operation Retry. • • • • • • • • • • • •
Expanded Machine Check Interrupt Facilities. •
Recovery Management Support (P~S) - OS MFT and
MCH and CCH Routines • • • • • • • • • • • •
Error Recovery Procedures (ERP's) •••••••
statistical Data Recorder (SDR) and Outboard
Recorder (OBR) • • • • • • • • • • _ • • • • •
MVT
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