This publication provides the IBM 1130 System user with the information required to operate and maintain the IBM 1130 Disk Monitor programming system. It is recommended that the user familiarize himself with the terms contained in the Glossary at the back of this manual. It is important that these terms be understood in the context of the Monitor system.

All hexadecimal addresses in this manual are shown in the form /XXXX.

Symbolic addresses rather than absolute addresses are used throughout this manual. A table of equivalences is provided in Appendix H, Resident Monitor.

$XXXX   All symbolic labels whose first character is a dollar sign are found in the Resident Communications Area (COMMA)
#XXXX   All symbolic labels whose first character is a pound sign are found in the Disk Communications Area (DCOM).
@XXXX   All symbolic labels whose first character is a commercial at sign are considered to have absolute values, i.e., @HDNG refers to the page heading sector (sector 7) and thus has a value of 7.

NOTE: The # and @ characters are not included in the 1403 Printer or 1132 Printer character set; therefore, an equal sign (=) replaces the # and an apostrophe (') replaces the @ in the printer listings.


The minimum system configuration required to operate the 1130 Disk Monitor system is as follows:


The following publications will assist the user in utilizing the Monitor system.

Second Edition

This publication, C26-3717-l, is a major revision of C26-3717-0, which is now obsolete. The manual has been updated to correspond with modification 1 of the IBM 1130 Disk Monitor System, version 2. A large number of changes and additions have been made to text and tabular material throughout the manual.

Specifications contained herein are subject to change from time to time. Any such change will be reported in subsequent revisions or Technical Newsletter.

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

A form is provided at the back of this publication for reader's comments. If the form has been removed, comments may be addressed to IBM Nordic Laboratory, Technical Communications, Box 962, Lidingö 9, Sweden.

© International Business Machines Corporation, 1967, 1968

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