80-Bus News


January–February 1984 · Volume 3 · Issue 1

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Ram-A board, 32k RAM, 2716 conversion (no EPROMs). With INMC mods, but still won’t work at 4MHz without waits (dunno why…) #45 ono. HS1N twin-drive digital cassette system. As reviewed 80-Bus News Vol 1 iss. 4. With original ROMs (2708s, assembled for #D000 and ports #F8 to #FF) or my enhanced OS (2716 – assembled for #D000, and ports #78 to #7F); 4118s, connecting leads and some tapes. #170 ono. Adrian Perkins. Tel. Bracknell (____) ______

Nascom 1, port select corrected, card frame, buffer PCB, 32K RAM fully debugged, PSU, 4800 baud cassette interface, TTY interface, keyboard, Harris terminal with 12″ Motorola VDU, TTY printer, BASIC & assembler on tape. All documentation. #140 the lot or prepared to split. Jim Taylor Boldon _____.

Floppy disk system. GM815/2, GM809 etc. Twin Pertec drives (350K per drive) in cabinet with power supply. Double density controller card, CP/MZ 2.2 operating system, and lots of software including Pascal, BASIC and C languages, Utilities, Adventure, Games and Business software. Totally reliable system. #450. Also, twin single sided drives in cabinet with power supply and Henelec Singler Density Controller. Including all above software and Vers. 2.2 operating system. Haggle around #275. Call John on __-___-____ between 10am and 7.30pm.

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