5000 MC (250-6000/1/2) Pinouts Faxback Doc. # 1725 GND = Ground NC = Not Connected * = Active Low Signal Printer - DB-25 Female Floppy - 34 pin (header and card socket) ------------------------------- ---------------------------------------- 1 Strobe* 14 Auto Feed* 1 NC 2 NC 2 Data 0 15 Fault* 3 NC 4 NC 3 Data 1 16 Initialize* 5 +5V (+) 6 NC 4 Data 2 17 Select In* 7 +5V (+) 8 Index* 5 Data 3 18 GND 9 +5V (+) 10 Drive Select 0* 6 Data 4 19 GND 11 +5V (+) 12 Drive Select 1* 7 Data 5 20 GND 13 GND 14 NC 8 Data 6 21 GND 15 GND 16 Motor Enable* 9 Data 7 22 GND 17 GND 18 Direction* 10 Acknowledge* 23 GND 19 GND 20 Step* 11 Busy 24 GND 21 GND 22 Write Data* 12 Paper Out 25 GND 23 GND 24 Write Enable* 13 Select 25 GND 26 Track 0* 27 GND 28 Write Protect* Keyboard - 5 pin DIN 29 GND 30 Read Data* -------------------- 31 GND 32 Side Select* 1 Keyboard Data 33 GND 34 Disk Change* 2 NC (+) +5V not available to 5 1/4" drive 3 GND 4 +5V Monitor Port - DB-15 5 Keyboard Clock Monochrome Color ------------------------------------ 1 NC Red 2 Mono Green Serial Port - DB-9 Male 3 NC Blue ----------------------- 4 NC NC 1 Carrier Detect 5 Self Test Self Test 2 Receive Data 6 NC Red Return 3 Transmit Data 7 Mono Return Green Return 4 Data Terminal Ready 8 NC Blue Return 5 Signal Ground 9 NC NC 6 Data Set Ready 10 Digital GND Digital GND 7 Request to Send 11 NC Digital GND 8 Clear to Send 12 Digital GND NC 9 Ring Indicator 13 Horizontal Sync Horizontal Sync 14 Vertical Sync Vertical Sync 15 NC NC Speaker Mouse Power Connector (3) 4 pin header 5 pin header ------------------- ------------ ------------ 1 +12V (orange) 1 Sound 1 Mouse Data 2 GND (black) 2 NC 2 NC 3 GND (black) 3 GND 3 GND 4 +5V (red) 4 +5V 4 +5V 5 Mouse Clock