IBM Y22-2827-0 360-50 Multiplexor Channel FETOM Oct66 free download

File name Y22-2827-0_360-50_Multiplexor_Channel_FETOM_Oct66.pdf

Field Engineering Theory of Operation Restricted Distribution This manual is intended for internal use only and may not be used by other than IBM personnel without IBM's written permission. Specifications contained herein are subject to change without notice. Revisions and/or supplements to this publication wi" be issued periodically. Systern/360 Model 50 Multiplexor Channel PREFACE This manual describes input/output (I/O) operations on the IBM System/360 Model 50 Multiplexor Channel. To understand channel theory as presented, the reader should first study other System/360 Model 50 Manuals that explain parts of the 2050 Processing Unit. Field Engineering Manuals on the 2050 Processing Unit for System/360 Model 50 include: Comprehensive Introduction, Form Y22-2821 Read Only Storage, Form Y22-2823 Op Codes RR and RX, Form Y22-2824 Op Codes, RS, SI, and SS, Form Y22-2825 Main Storage, Local Storage, Storage Protect, Form Y22-2828 RESTRICTED DISTRIBUTION: This publication is intended for use by IBM personnel only and may not be made available to others without the approval of local IBM management. Third Edition This manual obsoletes Form Z22-2827-1. Changes to the text of the earlier publication are'indicated by a vertical line to the left of the change; revised or new illustrations are denoted by the symbol (e) to the left of the caption. "Multiplexor Channel ROS Routines, " which begins on page 44, is extensively revised and should be reviewed in its entirety. Significant changes or additions to the specifications contained in this publication will be reported in subsequent revisions or FE Supplements. This manual has been prepared by the IBM Systems Development DiviSion, Product PublicatiOns, Dept. B96, PO Box 390, Poughkeepsie, New York 12602. A form is provided at the back of this publication for reader's comments. If the form has been removed, comments may be sent to the above address.