
The Multi I/O Board, 2007, gives 2 8 bit bi-directional ports with 4 handshaking lines, a 6522 VIA,, a true RS232 serial port, a 6551 ACIA, with speeds up to 19,200 BAUD, and a 8K EEPROM programmer to store data or programs. There is a socket to add your own Speakjet voice chip that works in conjunction with the serial port to make your Replica 1 or Apple 1 speak!
Software included to let the WOZmon operate over serial.

![]() |
Multi I/O board Setup and users Manual |
![]() |
multiboard_schematics.pdf |



See also:
Comelta S.A. Spain
Comelta S.A. Electronica de Tecnicas Aplicades , S.A.
Products for the AIM 65 made by this Spanish company, Barcelona....
Other AIM 65 Hardware
AB Computer AIM brochure
AIM EXORciser EMB-6 Expansion Board
CTR2 Video interface
VideoRAM ba...
KIM-1 revisions, what changed?
I know of seven KIM-1 revisions, labeled Rev A-G and the first one unlabeled. Rev C is unknown!
What changed between ...
KIM-1 Circuit poster
With every KIM-1 came a large poster with the Circuit Diagram. The circuit stayed the same from 1975 to 1977, but there ...

