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PINOUTS.ARK
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2006-10-19
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The following is a listing of various pinouts for the TI-99/4A home computer by
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Cassette Interface:
Uses a nine pin "D" connector like the Atari-type Joysticks.
General plug layout:
1 2 3 4 5
6 7 8 9
Pin Use
---- -------------------------------------------------------
1 Cassette (CS1) Motor on line (See Note A)
2 Cassette (CS1) Motor on line (See Note A)
3 To record on tape recorder (See Note B)
4 Not Used
5 To record on tape recorder (See Note B)
6 Cassette (CS2) Motor on line (See Note C)
7 Cassette (CS2) Motor on line (See Note C)
8 From tape recorder playback (See Note D)
9 From tape recorder playback (See Note D)
---- -------------------------------------------------------
Note A:
This line (two wires) hooks into the "Remote" jack that is on most portable tape
Note B:
Both of these connections MUST be used for each tape recorder. In other words, y
Note C:
Note D:
Same as Note B. This normally connects to the "EARPHONE" jack on the recorder.
Note: There will be a total of six wires to EACH recorder unless there is a comm
--------------------------------------------------------------
Pinout for the Video connector:
Uses a standard 5 pin DIN connector and the following pin numbers are as on the
General Layout of plug when facing it:
1 3
4 5
2
Pin Use
---- -------------------------------------------------------
1 Power (B+) to modulator box. Not needed if video mon.
2 Ground
3 Sound output
4 Ground
5 Video output
---- -------------------------------------------------------
Joystick port pinout:
Uses a nine pin "D" connector of the Atari-type.
General layout:
1 2 3 4 5
6 7 8 9
Pin Use
---- -------------------------------------------------------
1 Not used
2 Common line for "Player 2" joystick
3 Up direction
4 Fire
5 Left direction
6 Not used
7 Common line for "Player 1" joystick
8 Down direction
9 Right direction
---- -------------------------------------------------------
Note:
In hooking this up, player 2 joystick will connect to pins 2,3,4,5,8 and 9. T
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