TANDY 1000 TL (250-1601) Pinouts Faxback Doc. # 1205
GND = Ground NC = Not Connected * = Active Low Signal
Printer - 34 pin card edge: Floppy - 34 pin (header/card socket):
1 Strobe* 2 GND 1 NC 2 NC
3 Data 0 4 GND 3 +5V (+) 4 NC
5 Data 1 6 GND 5 +5V (+) 6 NC
7 Data 2 8 GND 7 +5V (+) 8 Index*
9 Data 3 10 GND 9 +5V (+) 10 Drive Select 0*
11 Data 4 12 GND 11 +5V (+) 12 Drive Select 1*
13 Data 5 14 GND 13 GND 14 Drive Select 2*
15 Data 6 16 GND 15 GND 16 Motor On*
17 Data 7 18 GND 17 GND 18 Direction*
19 Acknowledge* 20 GND 19 GND 20 Step*
21 Busy 22 GND 21 GND 22 Write Data*
23 Paper Out* 24 GND 23 GND 24 Write Enable*
25 Select* (busy*) 26 NC 25 GND 26 Track 0*
27 Auto Feed* 28 Fault* 27 GND 28 Write Protect*
29 NC 30 Initialize* 29 +12V (+) 30 Read Data*
31 GND 32 NC 31 +12V (+) 32 Side Select*
33 GND 34 +5V 33 +12V (+) 34 Disk Change*
(+) Voltages not available to 5 1/4" drive
Joystick - 6 pin DIN (2): Keyboard - 7 pin DIN: RGB - DB-9 Female:
1 Y Axis 2 X Axis 1 Keyboard Clock 1 GND
3 GND 4 Switch 1 2 Keyboard Data 2 GND
5 +5V 6 Switch 2 3 Keyboard Reset* 3 Red
4 GND 4 Green
Serial Port - DB-9 Male: 5 +5V 5 Blue
6 Keyboard Busy 6 Intensity
1 Carrier Detect 7 Keyboard Type 7 Green (MONO)
2 Receive Data 8 Horizontal Sync
3 Transmit Data Power Connector (2): 9 Vertical Sync
4 Data Terminal Ready
5 Signal Ground 1 +12V (violet) Audio Jack:
6 Data Set Ready 2 GND (black)
7 Request to Send 3 GND (black) 1 Sound 2 GND
8 Clear to Send 4 +5V (red)
9 Ring Indicator
Speaker - 2 pin header: Microphone Jack:
1 Sound 2 GND 1 Audio In 2 GND