SYM-1 I/O Board


This I/O board for the SYM-1 SBC provides a DB9 connector for RS-232 communication, two mono 3.5mm jacks for cassette audio in and out and a 2.5mm jack for cassette remote control.

2 in stock

SKU: SYM1-IO Category:


The SYM-1 I/O board provides access to the functionality exposed by the SYM-1’s T connector.


  • RS-232 communication via a DB9 connector
  • Cassette audio out (jumper configurable HI or LOW) via a mono 3.5mm jack
  • Cassette audio in via a mono 3.5mm jack
  • Cassette remote control (jumper configurable for cassette decks Type I-VIII) via a 2.5mm jack

In order to use this board a female DB-25 connector be soldered onto the T connector/pins of the SYM-1.  I recommend DigiKey part number 1173-125FEA-ND.

Includes full color manual.

Additional information

Weight 1.4 oz
Dimensions 4 × 4 × 1 in


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