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R > ROCKWELL  > AIM 65     

AIM 65

This strange computer was designed to be a development system for 6502 based computers. It had no display except for a small 20 character LED screen and a very small thermal printer located directly on the motherboard which could print everything that was typed on the keyboard.

The board featured five 4 KB-ROM sockets. Two of them were dedicated to the AIM monitor program, including an instant input assembler (no labels) and a disassembler. Various programming languages (BASIC, FORTH...) or custom applications could be added in the three remaining sockets.

Several cards were developped for this machine, especially language cards and ROMs: a BASIC card (BASIC language with floating point mathematics capabilities), PL/65 (a mixture of the PL/1 and Algol languages), Instant Pascal (an interpreted version of Pascal), Assembler and the FORTH programming language.


Jacob Hertz remembers:
It had 3 function keys, which could be programmed with a jump instruction (assembler).
A CRT-Card was also developed for this computer.
I was the happy owner of one of those machines. We were a usergroup in Denmark in the late 70' and early 80'.
It came with full documentation including as far as I remember 4 books: A complete diagram, a complete hardware manual, a full commented bios listing, users guide and another book. It was one of the first complete microcomputers around.

Mark Reardon reports:
I was on the support team for this system from June 1979 until Jan. 2004. When you mention 'Sound' it made me remember that this system supported the use of two audio cassette recorders for mass storage. It could perform motor control on both. It would read source files from one and write the output to the other.

My boss told me that they expected to sell between 400 and 600 of these systems but the number exceeded 50,000. The original target market was embedded designers. Some of these designers actually embedded the AIM into their design. We sold a version without the keyboard, printer, and display, and with only 1k or RAM for $175.

The fifth manual Mr. Hertz remembers was the programming guide. When I was hired I was given a complete set of manuals, an AIM 65, and a phone. I tried to answer all of the customer's questions from the manuals before I consulted with the engineering staff. It was a great learning experience.



Hi Lutz

Thank you for your reply. I have $ped you a note via your HP so that we can discuss.

Kind regards


Friday 29th May 2015
Ross Milbourne (United Kingdom)

Hi Ross,

i still have the one from my first computer. After laying around in various drawers and moving boxes for about 30 years it''s dusty, but in good shape - no scratches or soldering iron burns. Instead of letting it gather more dust, i''d rather give it to someone who makes use of it. Contact me via my HP if you''re still interested.


Wednesday 27th May 2015

Does anyone have an AIM65 keyboard for sale please? If not, does anyone know if there are any modern replacements available?

Kind regards


Thursday 14th May 2015
Ross Milbourne (UK)


TYPE  Home Computer
YEAR  1976
KEYBOARD  Full-stroke keyboard
CPU  Rockwell 6502
RAM  4 KB (up to 32 KB of static RAM)
ROM  12 KB
TEXT MODES  1 line of 20 chracters (LED screen)
SIZE / WEIGHT  Unknown
I/O PORTS  Application bus, expansion bus, ROM connector
POWER SUPPLY  Needs four power supply voltages: +5v, +12v, -12v, and +24v for the printer
PRICE  $375



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