SymDOS I/O Interface Board for SYM-1 single board computerDesigned by RetroSpy Technologies in United States of America
Trying to clear out the generation 1 SymDOS I/O Boards. The only difference between generation 1 and 2 is that generation 1 uses a now discontinued microcontroller for TTY to RS-232 communication. …Read More…
Trying to clear out the generation 1 SymDOS I/O Boards. The only difference between generation 1 and 2 is that generation 1 uses a now discontinued microcontroller for TTY to RS-232 communication. These are functionally identical to the newer SymDOS boards. Generation 1 boards DO NOT require a Teensy 4.0 for TTY to RS-232 communication, they have a preinstalled Teensy 3.2.
The SymDOS I/O board is custom I/O board for the SYM-1 single board computer that provides SymDOS functionality which allows for floppy disk access using Commodore IEC disk drives.
TTY over RS-232 communication requires an installed Teensy 4.0 microcontroller.
SymDOS functionality requires SYM-1 Monitor version 1.1 (available for purchase separately) and either RAM at $9000 or a burned EPROM addressable at $9000. I recommend Corsham Tech’s SYM-1/AIM-65 RAM Board.
Includes full color manual, a single dupont jumper cable (color may vary) and USB flash drive with SymDOS software and original manual.
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Patrick | Feb. 4, 2022
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