GoTo Connector

Cassette TI-99/4a

9 PIN D-SUB MALE (at the computer)
9 PIN D-SUB FEMALE (at the cassette cable)

9 PIN D-SUB MALE at the Computer.
9 PIN D-SUB FEMALE at the Cassette cable.

Pin Name Dir Comment
1 Cass 1 motor control OUT CRU bit 22
2 Dito OUT neg
3 Output to tape 2 OUT CRU bit 25
4 Audio gate OUT CRU bit 24
5 Output to tape 2 OUT neg
6 Cass 2 motor control OUT CRU bit 23
7 Dito OUT neg
8 Input from tape 1 or 2 IN CRU bit 27
9 Dito IN neg

Note: Direction is Computer relative Cassette.
Note: Cassette 1 can't be written to.