File name GA24-3557-3_IBM_370_Model_145_Functional_Characteristics_Aug72.pdf
IBM System/370 Model 145
Systems Functional Characteristics
This reference publication is intended for system analysts System/370 Extended Control--A description of the fol-
and programmers who require information about system lowing System/370 features: the Extended Control
features, CPU and input/output characteristics, timings, feature, including a description of the extended control
machine instructions, and the functions of integrated and PSW, Store Status, Program Event Recording, Dynamic
attachable I/O devices. Address Translation, Channel Indirect Data Address,
and Clock Comparator and CPU Timer.
The reader is assumed to have a working knowledge of
the IBM System/370 Principles of Operation, GA22-7000,
and to have had programming experience with other Integrated File Adapter - Description and characteristics of
System/360 or System/370 models. the disk-storage facility that are recommended for primary
System operating information is contained in the program and data residence.
Operator's Library: IBM System/370 Model 145 Operating Input/Output Channel Characteristics - Information about
Procedures, GC38-001 5. the byte-multiplexer, selector, and block-multiplexer
This manual is divided into sections to assist you in channels.
locating a particular topic.
Introduction-General overview of System/370 Model 145, 1401/1460, 1440 Emulation Feature and 1401/1460, 1440,
including discussions of CPU components, and a brief and 1410/7010 Emulation Feature - Descriptions of these
description of integrated attachments and I/O channels. features, including the relationship to the required
Console File-Functions of this microprogram-loading Emulator Programs.
Console Printer-Keyboard--Programming and configuration
information for the printer-keyboard units. Timings - Detailed timings for internal CPU functions
(instruction execution), the printer-keyboard, the byte-
Features Descriptions - A description of major system multiplexer channel, the selector channels, the block-
features such as OS/DOS Compatibility, the Interval multiplexer channels, and the integrated file adapter.
Timer, the Time-of-Day Clock, and the Integrated CPU Configurator and System Features - A list of standard
Storage Control. and available features, feature dependencies, etc