PDP-II/23-PLUS SYSTEM MANUAL EK-1T238-0P-001 PDP-ll/23-PLUS SYSTEM MANUAL Prepared by Educational Services of Digital Equipment Corporation 1st Edition, January 1982 Copyright ® 1982 by Digital Equipment Corporation All Rights Reserved The material in this manual is for informational purposes and is subject to change without notice. Digital Equipment Corporation assumes no responsibility for any errors which may appear in this manual. Printed in U.s.A. The manuscript for this book was created on a DIGITAL Word Processing System and. via a translation program, was automatically typeset on DIGITAL's DECset-8000 Typesetting System. Book production was done by Educational Services Development and Publishing in Marlboro. MA. The following are trademarks of Digital Equipment Corporation: DEC EduSystem RSTS DEC net lAS RSX DECUS MASSBUS TOPS-IO DECsystem-IO MINC-II TOPS-20 DECSYSTEM-20 OMNIBUS UNIBUS DECwriter OS/8 VAX DIBOL PDP VMS mamaala PDT VT CONTENTS PREFACE CHAPTER 1 GETTING STARTED INTRODUCTION................................................................................... 1 CONTROL PANEL ................................................................................ 2 SYSTEM CONFIGURATION .................................................................. 2 RL02 Disk Drives...................................................................... 2 BREAK Key............................................................................... 4 Receive Speed ITransmit Speed .............................................. 5 Bootstrap Technique ................................................................ 5 DISK CARTRIDGE LOADING PROCEDURE........................................... 5 INITIAL SYSTEM START-UP ................................................................. 7 LOADING THE OPERATING SySTEM.................................................... 7 CHANGING A DISK CARTRIDGE........................................................... 8 POWERING DOWN ... ........... ..... ...... ...................... ..... ..... .... .... .... .... ...... 9 CHAPTER 2 PROGRAMMING INTRODUCTION................................................................................... 11 DIAGNOSTIC PROGRAMS.................................................................... 11 The DLDP + Diagnostic Programs............................................ 12 How to Find a Diagnostic Program.................................... 12 Help Messages................................................................. 14 Diagnostic Chain Files.. .......... ..... ..... .... .... ..... .... .... ... ..... ... 14 Running Individual Diagnostic Programs........................... 14 How to Copy the Diagnostic Disk.............................................. 15 DEC/X11 .................................................................................. 17 RSX-11M SOFTWARE.......................................................................... 18 Monitor Functions..................................................................... 19 Multiprogramming............................................................. 19 Event-Driven Priority Scheduling....................................... 19 Task Checkpointing .......................................................... 19 Dynamic Memory Allocation.............................................. 19 Executive.......................................................................... 19 I I 0 Services............................................................................. 20 File System ...... .......... .......... .............. ...... .... ..... ..... .... .... .... ...... 20 User Interface........................................................................... 20 iii iv CONTENTS RSTS / E AND CTS-500 SOFTWARE..................................................... 20 Timesharing...... ..... .... ..... ......... ..... ............................................ 21 Dynamic Allocation of System Resources................................ 21 Privilege................................................................................... 22 Batch Processing ... .......... ................... ..................................... 22 File System. ............... ..... ..... .... ................................................ 22 Terminal Handling..................................................................... 23 Shared Common Code.............................................................. 24 Disk Data Cache....................................................................... 24 Intertask Communication............... ..... ...................................... 24 Disk File and Device Backup........ ....................................... ..... 24 System Operation Control........................................................ 25 System Reliability and Maintenance......................................... 25 User Command languages...................................................... 26 DIGITAL Command language (DCl) ............ ............................ 26 Concise Command language................................................... 26 CHAPTER 3 INSTALLATION CHECKOUT AND TROUBLESHOOTING INTRODUCTION................................................................................... 27 UNPACKING PROCEDURE ................................................................... 27 INSTAllATION CHECKOUT PROCEDURE............................................ 29 TROUBLESHOOTING.................................................................. .... ...... 36 Using the Flowchart.................................................................. 39 BOOTSTRAP DIALOG RESPONSE........................................................ 39 AC Power Indications ........................................... .................... 40 874 Power Controller................................................................ 40 Terminal Off-line Checks ......................................................... 40 Terminal Power Cable Connection ............................................ 40 Computer Switches and Indicators........................................... 40 PWR OK Indicator..................................................................... 41 Check Power Switches and Power Cable................................. 41 RUN Indicator ON ..................................................................... 41 Terminal Interface Cabling ........................................................ 41 NO PROMPT AFTER BOOTSTRAP........................................................ 42 Disk Drive Power Indications.................................................... 42 Check Disk Cable Connections................................................ 42 Check Disk Cartridge............................................................... 43 CHAPTER 4 ADVANCED HARDWARE CHECKOUT INTRODUCTION................................................................................... 45 BOOTSTRAP AND DIAGNOSTIC PROGRAMS....................................... 45 Diagnostic Errors...................................................................... 46 Serial Line Unit Error. ............... ........... ..... ......................... 49 CPU, Memory, or ROM Error ........... ..... .... ......... ......... ....... 49 Disk Bootstrap Errors........................................................ 49 Trap Vector................................................ ....................... 51 ON-LINE DEBUGGING TECHNIQUE (ODT) ............................................ 51 CONTENTS v TROUBLESHOOTING WITH DLDP + ..................................................... 52 Error Messages.. ......... ..... ..... ................................................... 52 Restarting Programs. ..... ..... .... ..... ......... ................................... 52 Modifying a Diagnostic Program... ..... ... ..... ..... .... ... ............. ...... 52 Single Instruction Execution ... ..... ......... .................................... 54 Expanding the Diagnostic Chain. ..... ......................... .... .... .... .... 54 TROUBLESHOOTING WITH DEC I X 11 .................................................. 56 Error Messages........................................................................ 56 The System Error Printout................................................. 56 The Data Error Printout ..................................................... 57 The Status Error Printout .......... .... .... .... ......... ............ ....... 57 Selecting and Deselecting Program Modules .... ........ ......... ...... 58 Expanding the Run-Time Exerciser........................................... 59 CHAPTER 5 SYSTEM COMPONENTS INTRODUCTION.............. ..... ..... .... ..... ..... .... ..... ......... ................. .......... 61 PDP-11 123-PLUS MODELS.................................................................. 61 PDP-11 123B PROCESSOR SUBSySTEM............................................. 61 KDF 11-B Microprocessor.. ..... ..... .... .... ..... ..... ........ ................... 64 MSV 11-P Memory... ..... .... ...... .... .............. .... ......... ............ .... .... 68 DZV 11 Asynchronous Multiplexer. ...... .... .... .... .......................... 70 RL V 12 Disk Controller.............................................................. 70 BA 11-S Mounting Box... ..... ......... ...... .... ............. ........ ......... ...... 73 H9276 Backplane... .... ..... ..... .......... .... ........ ..... .... .............. 73 H7861 Power Supply......................................................... 73 H403-B