Table of Contents|   | 
| 1. DESCRIPTION |   | 
|   | 
| 2. SOFTWARE, DOS VERSION 6.xx |   | 
| 2.1 General, DOS |  | 
| 2.2 Direct disc addressing though DOS |  | 
| 2.3 Direct I/O |  | 
| 2.4 ABC800/Facit DTC and ABC80 compatibility |  | 
| 2.5 New 5 1/4" Mini-floppy disc structure |  | 
| 2.6 New card select code for 8" floppy |  | 
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| 3. USER DIRECTORIES, ACCESS PRIVILEGIES |   | 
| 3.1 User directories |  | 
| 3.2 Log-in, User, Super-user |  | 
| 3.3 Updating common files |  | 
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| 4. CENTRAL EXECUTION OF SYSTEM PROGRAMS |   | 
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| 5. COMMUNICATION, ABC-NET CABLE |   | 
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| 6. CENTRAL UNIT (7028), CONNECTION BOX, RAM-BOARD |   | 
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| 7. TERMINAL UNITS (7029,7030) |   | 
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| 8. PRINTER |   | 
| 8.1 Printer access, Device names PR: and RPR: |  | 
| 8.2 Spooling |  | 
| 8.3 Printer hardware interface |  | 
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| 8.4 Print output format |  | 
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| 9. ABC/DTC-Net UTILITY SOFTWARE |   | 
| 9.1 COPYLIB, DOSGEN, DISKCHECK, UDF |  | 
| 9.2 MAKEUSER |  | 
| 9.3 LOGIN |  | 
| 9.4 RAMOPT |  | 
| 9.5 SETSTART, STARTUP |  | 
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| 10. INSTALLATION |   | 
| 10.1 Physical connections |  | 
| 10.2 Central system with printer |  | 
| 10.3 Terminal board for ABC800/Facit DTC |  | 
| 10.4 Terminal board for ABC80 |  | 
| 10.5 Disc interfaces |  | 
| 11. START-UP PROCEDURE |  | 
| 12. TECHNICAL DATA |  | 
| Appendix 1. DOS 6.xx GENERAL DISC HANDLING SYSTEM |  |