IBM Z22-2855-1 360 50 FE Handbook Dec65 free download

File name Z22-2855-1_360_50_FE_Handbook_Dec65.pdf

ll) ~5llir Field Engineering Handbook IBM Confidential System/360 Model 50 IBM Confidential l? 'iC)o 'IY.7 L!,.!E)l.M!, (!) Field Engineering Handbook System1360 Model 50 IBM CONFIDENTIAL This document contains information of a proprietary nature. ALL INFORMATION CONTAINED HEREIN SHALL BE KEPT IN CONFIDENCE, None of this information shall be divulged to persons other than IBM employees authorized by the nature of their duties to receive such information or individuals or organizations who are authorized in writing by the Systems Development Division in accordance with existing policy re- garding release of company information. MAJOR REVISION (December 1965) This edition, Form Z22-2855-1, is a major revision of Form Z22-2855-0, which it obsoletes. Address comments concerning the contents of this publication to: IBM Corporation, FE Manuals, Dept. B96, PO Box 390, Poughkeepsie, New York 12602 CONTENTS MACHINE VOLTAGES PRESENT WITH POWER OFF OR WITH DC OFF List of Model 50 Manuals CPU . . . . . . . . . Data Flow . . . . . . . ALD Page Index . . . . . Control Field Chart Page Index 20 Basic Timings for 2050 Processing Unit 21 Board Locations in Gates 23 Error _Register 23 Board Layouts 24 CONSOLE . . 26 Common/Multiplexor Channel Roller - Left Side 26 Common/Multiplexor Channel Roller - Right Side 27 Selector Channel Roller - Left Side. 28 Selector Channel Roller - Right Side 29 CPU Roller #l - Left Side. 30 CPU Roller #1 - Right Side . 31 CPU Roller #2 - Left Side 32 CPU Roller #2 - Right Side . 33 Indicator Latch Location Table 34 FLT Scan Log Decoder 39 MAIN STORAGE. . . 41 Logic Flow. . . . . 41 Main Storage Timing 43 Arrangement of Units of storage. 44 Cable Color Coding. . . . . 44 Storage Arrays . . . . . . 45 storage Array End Board D1. . 46 storage Array Interface (Board Dl) . 47 Main Storage Functions of