TANDY 1000 TL/2 (250-1602) Pinouts Faxback Doc. # 1225 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 4 Switch 1 1 Keyboard Clock 1 GND 2 GND 5 X Axis 2 Keyboard Data 2 GND 3 +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 8 Clear to Send 4 +5V (red) 2 GND 9 Ring Indicator Speaker - 2 pin header: Microphone Jack: 1 Sound 1 Audio In (/tmc-06/03/95)