Service Manuals, User Guides, Schematic Diagrams or docs for : IBM 370 funcChar GA22-6942-1_370-155_funcChar_Jan71

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.



Image preview - the first page of the document



>> Download GA22-6942-1_370-155_funcChar_Jan71 documenatation <<

Text preview - extract from the document

          IBM System/370 Model 155
Systems   Functional Characteristics
          This publication describes the organization, functional
          characteristics, and features of the IBM System/370
          Model 155. System components are described, and
          consideration is given to the central processing unit,
          main storage, input/output channels, and the operator
          control and operator intervention portions of the
          system control panel.
            This publication is intended for users and potential
          users of the Model 155. The reader is assumed to have
          a background knowledge of data processing systems.
Preface




This is the Model 155 machine reference manual, providing
information about system and component functions and
addressing an audience made up primarily of system
analysts, programmers, and operators. Assumed is a back-
ground knowledge of data processing systems and of the
System/370 and System/360, as provided in IBM System/
370 Principles of Operation, GA22-7000, and IBM System/
360 Principles of Operation, GA22-6821.
  The manual first looks at the system and its features in
general, then at the processing unit and its functions.
Channel characteristics are discussed in some detail, includ-
ing channel control and implementation, sub channel and
unit control word definitions, and subchannel addressing.
This is followed by a description of system control panel
functions and commonly used indicators, switches, and
keys, then by information about the console I/O unit
characteristics and the alter/display feature.
   Detailed information about channel loading characteris-
tics is in a separate manual: IBM Systerrz/370 Model 155
Channel Characteristics, GA22-6962.




Second Edition (January 1971)
This is a major revision of, and obsoletes, GA22-6942-0. Changes to the text are
indicated by a vertical line to the left of the change; changed illustrations are
denoted by the symbol. to the left of the caption. Changes are continually made
to the specifications herein; before using this publication in connection with the
installation and operation of IBM equipment, refer to the latest System/360 and
SY,stem/370 SRL Newsletter, GN20-0360, for editions that are applicable and
current.

Requests for copies of IBM publications should be made to your IBM
representative or to the IBM branch office serving your locality.

This manual has been prepared by the IBM Systems Development Division,
Product Publications, Dept. B98, PO Box 390, Poughkeepsie, N.Y. 12602. A form
fur readers' wmments is pruvided at the Lack uf this publicatiun. If the form has
been removed, comments may be sent to the above address.

◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo