Iii Table of Contents Chapter 1: 9845B/C Mainframe Product Information 9845B/C Computer Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1 Option Information ............................................................ 1-2 Field Installed Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-3 Factory Installed Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-4 Accessories Supplied .........................................................
, 1-5 Accessories Available .......................................................... 1-6 Mainframe Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-6 9845B/C Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-7 Chapter 2: 9845B/C Environmental, Installation, and Preventive Maintenance Environmental Specifications, Electrical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-1 PhYSical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .. 2-1 Installation, Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-2 Table Mounting ........................................................ 2-2 CRT .................................................................. 2-3 Option ROMs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-6 Interface Cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-8 Checking Fuses, Voltage, and Power Cords .................................
2-9 Initiating Power ...................................................... , 2-13 Loading Printer Paper ................................................. , 2-13 Inserting and Removing the Tape Cartridge ............................... , 2-15 9845B/C Mainframe Verification, System Exerciser .................................................. , 2-15 Turn-On Self Test ................................................. , 2-15 Exerciser Starting Procedure ......................................... 2-16 9845B/C Mainframe ExerCisers, Selecting an Exerciser .............................................. , 2-17 Memory Exerciser ..................................................
2-18 Tape Exerciser .................................................... , 2-18 Printer Exerciser .................................................. , 2-20 ROM Revision Exerciser ............................................. 2-21 9845B/C Operating Basics, Basic Keyboard Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-23 Mass Storage ..................................................... , 2-24 Automatic Start for Programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-25 9845B/C Mainframe Preventive Maintenance ................................ , 2-25 Chapter 3: 9845B/C Configuration System Configurations. . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-1 Software Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-3 Chapter 4: 9845B/C Mainframe Troubleshooting Troubleshooting Checklist ................................................... 4-1 Troubleshooting Tables ..................................................... 4-3 Troubleshooting Flowchart .................................................. 4-4 Memory Troubleshooting ................................................. , 4-10 09845-90039, rev: 4/84