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IBM System/3S - - - GC21 -7728-3 --- ----- -- File No. 538-00 - - - --- - - -• - I IBM System/3S IBM System/3S I Introduction GC21-7728-3 - - G'ImIIIIII -- - ----- --- File No. S38-00 - - - --- - - -• - I 8M System/3S IBM System/3S Introduction Fourth Edition (July 1981) This is a major revision of, and obsoletes, GC21-7728-2. This edition applies to release 3, modification 0 of the IBM System/38 CPF (Program 5714-551), RPG III (Program 5714-RG1), COBOL (Program 5714-CB1), IOU (Program 5714-UT1), Conversion Reformat Utility (Program 5714-CV2), System/3 Batch Conversion Utilities (Program 5714-CV1), IBM System/3 CCP to System/38 Conversion Aid (Program 5714-CV7), IBM System/34 to System/38 Conversion Aid (Program 5714-CV5), and to all subsequent releases until otherwise indicated in new editions or technical newsletters. Additions include release 3 announcement information on: IBM System/38 Model 4 One to four 3370s on System/38 Models 4 and 5 IBM System/34 to System/38 Conversion Aid Binary Synchronous Communications Power Failure Detection Feature 5224 Printer 5225 Printer The functions and capabilities this publication describes reflect the latest information available, but this information may be subject to minor changes before release 3 of the IBM System/38 is available. Subsequent editions of this publication will reflect any changes. In device operations, the nominal or rated throughputs represented in this publication may not be achieved in an actual customer environment when used with the customer's control program/application load. Use this publication only for the purposes stated in the Preface. Publications are not stocked at the address below. Requests for copies of IBM publications and for technical information about the system should be made to your IBM representative or to the branch office serving your locality. This publication could contain technical inaccuracies or typographical errors. Use the Reader's Comment Form at the back of this publication to make comments about this publication. If the form has been removed, address your comments to IBM Corporation, Publications, Department 245, Rochester, Minnesota 55901. IBM may use and distribute any of the information you supply.in any way it believes appropriate without incurring any obligation whatever. You may, of course, continue to use the information you supply. © Copyright International Business Machines Corporation 1978, 1980, 1981 Preface The purpose of this publication is to help the reader Related Publications who has a basic knowledge of data processing understand the System/38 (a new general purpose The IBM System/38 Guide to Publications, GC21-7726, system) and its capabilities. contains the titles and reading sequence of related publications. The manual summarizes what the IBM System/38 is and how it can be used to meet an organization's data processing needs. List of Abbreviations This introduction presents: CICS Customer Information Control System EIA/CCITT Electronics Industries • A summary of the System/38 design, and highlights Association / Consultative Committee of its major functions. on International Telegraphy and Telephony HDX Half duplex • ,A fundamental description of System/38 data IMPL Initial microprogram load processing concepts, in terms of the System/38 IMS Information management system program products and machine. LU Logical unit • A description of the system configurations and the machine characteristics. • A description of the compatibility that exists between System/38 and System/3. Note: This publication follows the convention that he means he or she. iii ELECTROMAGNETIC INTERFERENCE United States Federal Communications Commission (FCC) rules require IBM to publish the following information, which applies to each unit (including modems and terminals) described in this manual (hereafter called equipment). WARNING: This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instruction manuals, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference, in which case the user at his own expense will be required to take" whatever measures may be required to correct the interference. Instructions Pursuant to FCC Part 15, Subpart J 1. This equipment should not be installed less than 30 meters (98.5 feet) from radio or television receivers or their receiving antennas. 2. This equipment should not receive its power from branch circuits that also power radio or television receivers. If this equipment cannot comply with the above distance limitation: 1. Turn the equipment and the receiver on. If no interference is apparent, no further action need be taken. 2. If interference occurs, reorient or relocate the equipment, the receiver, or both. 3. If interference still occurs, contact your IBM representative. iv Contents CHAPTER 1. INTRODUCTION TO IBM SYSTEM/38 . 1-1 System Console. 3-8 Program Products . 1-3 System Console Display Screen 3-9 Control Program Facility (CPF) 1-3 System Console Keyboard . 3-10 RPG III ......... 1-7 System Console Operator / Service Panel . 3-11 COBOL ANS 74 . 1-8 Auxiliary Storage . 3-13 Interactive Data Base Utilities (IOU) 1-9 System Unit Data Storage Function 3-13 System/3 Batch Conversion Utilities 1-10 3370 Direct Access Storage Device 3-14 Communications Control Program (CCP) Diskette Magazine Drive 3-15 Conversion Aid . 1-10 Printers 3-17 Conversion Reformat Utility . 1-10 5211 Printer 3-20 IBM System/34 to System/38 Conversion 3262 Printer 3-21 Aid Licened Program (5714-CV5) 1-10 3203 Printer 3-22 Machine ...... 1-11 Card Device 3-23 System Unit . 1-11 5424 Multi-Function Card Unit 3-23 Input/Output Devices 1-12 Magnetic Tape Device . 3-24 3410/3411 Magnetic Tape Subsystem 3-24 CHAPTER 2. SYSTEM/38 PROGRAM PRODUCTS 2-1 Communications ..... 3-25 Control Program Facility (CPF) 2-2 Work Station Controllers 3-26 User Interfaces. 2-4 Communications Attachment 3-29 Control Language Programs 2-11 Batch Job Streams . 2-12 CHAPTER 4. COMPATIBILITY/CONVERSION ... 4-1 Object Management 2-12 Compatibility with System/3 . 4-1 Managing Work 2-14 Conversion from System/3 Batch 4-2 Data Description Specifications (DDS) 2-19 Conversion from System /3 CCP 4-6 Data Base Data Management 2-22 Conversion from System/34 4-7 Device Data Management 2-27 Programmer Services . 2-31 GLOSSARY. G-1 Testing and Debugging . 2-32 System Operator Services 2-35 INDEX ... X-1 System Services 2-36 RPG III .... " .... 2-40 COBOL ANS 74. 2-46 Extensions Supporting Data Base and Work Station Processing. 2-48 Programmer Services . 2-49 Interactive Data Base Utilities (IOU) 2-51 Source Entry Utility (SEU) 2-51 Data File Utility (DFU) . 2-52 Query Utility . 2-53 Screen Design Aid Utility (SDA) 2-53 Conversion Reformat Utility. 2-54 CHAPTER 3. MACHINE SUMMARY 3-1 System Unit . 3-3 High-Level Machine Interface 3-3 Processing Unit 3-4 Storage Management . 3-6 Virtual Address Translator . 3-6 Internal Input/Output Channel 3-6 Main Storage ...... 3-7 Time-of-Day Clock . 3-7 Automatic Initial Microprogram Load 3-7 Power Keylock . 3-7 Power Warning Feature . 3-8 Audible Alarm and Attention Indicator . 3-8 Contents v Expansion Enclosure Diskette Ai~~;~:';n' System Console board/Display Screen 3370 Direct Access Storage Device (Not available on System/38 Model 3) Printer • 5381 Processing Unit • 5211 (Prints up to 300 Ipm) • 3262 (Prints up to 650 Ipm) (Model 3) • 3203 (Prints up to 1200 Ipm) (Model 4) (Up to two printers can be (Model 5) attached) • 5225 (Prints up to 560 Ipm) • Main Storage Communications _______--J 512 - 1536 K (Model 3) • Work Station Controller (Local) 512 - 2048 K (Models 4 and 5) (Up to 80 work stations) - 5250 Information Display System • Auxiliary Storage • Communications Attachment (Remote) 64.5 -129 MB (Base Enclosure) (Up to 8 lines) 64.5 - 258 MB (Expansion Enclosure) - Integrated Modems 571.3 - 2285.2 MB (1-4 3370s) - DDSA (Maximum auxiliary storage is 2672.2 MB) - Auto Call (U .S.) Card Input/Output __________-----1 - EIA/CCITT - SDLC Communications Control 5250 Information Display System • 5424 Multi-Function Card Unit Secondary to System/370 (Reads up to 500 cpm) - BSC Communications Control (Punches up to 120 cpm) Series/1 5280 (Prints up to 120 cpm) System/3 5110/5120 System/32 3741 Magnetic Tape Input/Output ________...J System/34 5230 System/38 5260 .3410/3411 Magnetic Tape System/370 Subsystem (Data rate of up to 80 000 bps) vi Chapter 1. Introduction to IBM System/38 IBM System/38 is a general-purpose, data processing system. System design greatly reduces the effort usually needed to develop, maintain, and enhance applications for interactive work stations in an integrated data management system. The system provides 512 K to 2048 K bytes of main storage, 64.5 to 2672.2 megabytes of nonremovable auxiliary (disk) storage, a diskette magazine drive, and a system console with keyboard and display. A multi-function 96-column card reader/punch and up to two system printers, which operate at rates up to 1200 lines per minute, can be attached. The system supports direct attachment of up to 80 local 5250 work stations (displays and printers) and, through teleprocessing lines, a large number of remotely attached work stations. Two communications attachments provide system control for the direct attachment of up to eight remote communications lines. Either BSe or SOLe line protocol can be operator-selected for use on each line. The 5250 devices require SOLe protocol. You can place the work stations where they are needed in your organization (in the offices, departments, plants, and warehouses) so that your personnel can share a common data base and the processing power of a computer.
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