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 ( ) Remove U75 and bend pin 5 in same manner as U42. Reinstall U75 with pin 5 out of the socket. ( ) Using #24 wire, install the following TEMPORARY jumpers in the sockets for U14 through U21. Double check jumpers after installing for correctness. (See Figure 3—7.) IC SOCKET JUMPER ( )U14 Pin l2 to 6 ( )UlS Pin 12 to 5 ( )1J16 Pin l2 to 4 ( )U17 Pin 12 to 8 ( )U18 Pin l2 to 2 ( )U19 Pin 12 to 7 ( )U20 Pin l2 to 1 ( )U21 Pin l2 to l6 U14 U15 U16 U17 U18 U19 U20 U21 Figure 3-7. U14 through U21 socket jumpers. ( ) Turn monitor on and apply power to Sol-PC. ( ) Momentarily ground pin 1 of U2 and pin 5 of U75. The display shown in Figure 3-8 should appear on the monitor screen. ( ) If the display circuits do not pass this test, determine and correct the cause before proceeding with assembly. ( ) If the display circuits are operating correctly: ( ) Turn monitor and power supply off and disconnect the power cable. ( ) Remove jumpers from U14 through U21 sockets. ( ) Bend pin 6 on U42, pin 4 on U49 and pin 5 on U75 back to their normal position arid re-install these three IC’s in their appropriate sockets. 111—24
PROCESSOR TECHNOLOGY CORPORATION Sol-PC SINGLE BOARD TERMINAL COMPUTER TM SECTION III Figure 3-8. Display circuits test pattern with 6575 character generator as U25. 6574 is the same except graphic control characters are displayed. ( ) Step 29. Install 91LO2APC or 21O2L1PC IC’s in locations U14 through U21. Dots on the assembly drawing and PC board legend indicate the location of pin 1 of each IC. CAUTION IC’s U14 THROUGH U21 ARE MOS DEVICES. RE- FER TO CAUTION ON PAGE 111-8 BEFORE YOU INSTALL THESE IC’s. ( ) Step 30. Install the following resistors in the indicated locations. Bend leads to fit distance between mounting holes, insert leads, pull down snug to board, solder and trim. LOCATION VALUE (ohms) COLOR CODE ( ) R12 1.5K brown-green-red ( ) R18 10 K brown-black-orange (Step 30 continued on Page 111—26.) Rev A 111—25
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Sol SYSTEMS MANUAL, 6200 Hollis Str
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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.) When calling
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V. SUBROUTINES (cont.) SOLOS provid
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VI. LOADING & EXECUTING CUTER (Appl
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