The System Manual of SOL-20 - History of Computers

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PROCESSOR TECHNOLOGY CORPORATION Sol-PC SINGLE BOARD TERMINAL COMPUTER TM SECTION III LOCATION VALUE (ohms) COLOR CODE ( ) R20 1.5K brown-green-red ( ) R31 1.5K “ “ “ ( ) R32 1.5K “ “ “ ( ) R33 1.5K “ “ “ ( ) R34 1.5K “ “ “ ( ) R35 1.5K “ “ “ ( ) R36 1.5K “ “ “ ( ) R41 1.5K “ “ “ ( ) R50 1.5K “ “ “ ( ) R51 1.5K “ “ “ ( ) R52 1.5K “ “ “ ( ) R53 1.5K “ “ “ ( ) R54 1.5K “ “ “ ( ) R55 1.5K “ “ “ ( ) R56 1.5K “ “ “ ( ) R57 1.5K “ “ “ ( ) R58 330 orange-orange-brown ( ) R107 10 K brown-black-orange ( ) R108 10 K ( ) R109 10 K “ “ “ ( ) R110 10 K “ “ “ ( ) R111 10 K “ “ “ ( ) R112 10 K “ “ “ ( ) R113 10 K “ “ “ ( ) R114 10 K “ “ “ ( ) R11S 1.5K brown-green-red ( ) Step 31. Install diode D7 (1N4148 or 1N914) in its location between U46 and U47. Position D7 with its dark band (cathode) at the bottom. ( ) Step 32. Install 20-pin header in location J3 (keyboard interconnect) between U64 and U65. Position header so pin 1 is in the upper left corner. (An arrow on the connector points to pin 1.) ( ) Step 33. In the jumper area labeled PHTM on the assembly drawing (below U64), install Augat pins in mounting holes F and G. (Refer to “Installing Augat Pins” in Appendix IV.) Using #24 bare wire, install a jumper between pins F and G. ( ) Step 34. In the jumper area labeled RST on the assembly drawing (between U76 and U77), install Augat pins in mounting holes N and P. (Refer to “Installing Augat Pins” in Appendix IV.) Using #24 bare wire, install a jumper between pins N and P. 111—26
PROCESSOR TECHNOLOGY CORPORATION Sol-PC SINGLE BOARD TERMINAL COMPUTER TM SECTION III ( ) Step 35. Install the following IC's in the indicated locations. Pay careful attention to the proper orientation. NOTE Dots on the assembly drawing and PC board indicate the location of pin 1 of each IC. IC NO. U45 U46 U48 U50 U54 U63 U64 U67 U68 U76 U94 U107 74LS04 8T380 or 8836 74LS00 74LS367 74LS04 74LS109 74LS109 8T97 8T97 74LS175 74LS367 74LS367 ( ) Step 36. Apply power to Sol-PC and make the following voltage measurements: MEASUREMENT POINT Pin 11 of U105 Socket Pin 20 of U105 Socket Pin 28 of U105 Socket VOLTAGE* -5 V dc +- .25v +5 V dc +- .25v +12 V dc +- .6 V Pin 1 of U51 Socket +5 V dc +- .25V Pin 2 of U51 Socket -12 V dc +- .6 V *All voltages referenced to ground. ( ) If any voltages are incorrect, locate and correct the cause before going on to Step 37. ( ) If voltages are correct, turn power supply off, disconnect power cable and go on to Step 37. ( ) Step 37. Install the following IC's in the indicated locations. Pay careful attention to the proper orientation. NOTE Dots on the assembly drawing and PC board indicate the location of pin 1 of each IC. (Step 37 continued on Page 111-28.) Rev A III-27
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Sol SYSTEMS MANUAL, 6200 Hollis Str
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CONTENTS OUTILNE Detailed contents
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PROCESSOR TECHNOLOGY CORPORATION So
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VIII THEORY OF OPERATION 8.1 INTROD
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SECTION IX SOFTWARE Sol TERMINAL CO
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M0100 SOLOS (tm) /CUTER (tm) USER'S
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P R E F A C E This manual describes
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TABLE OF CONTENTS (cont.) IV. SET C
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INTRODUCTION (cont.) Only the first
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II. CONSOLE COMMANDS Console Comman
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III. TAPE COMMANDS Tape commands ar
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III. TAPE COMMANDS (cont.) Note: A
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V. SET COMMANDS (cont.) The Output
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V. SET COMMANDS (cont.) The Custom
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V. SUBROUTINES A. Introduction to t
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V. SUBROUTINES (cont.) JUMP TABLE A
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V. SUBROUTINES (cont.) AOUT entry p
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V. SUBROUTINES (cont.) SOLOS provid
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VI. LOADING & EXECUTING CUTER (Appl
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The System Manual of SOL-20 - History of Computers

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