88 PCM-5820 Series User's ManualAuxilary power connector (CN10)Table A-9: Peripheral power connectorPin Signal3 -12 V2 GND1 -5 VFloppy drive connector (CN2)Table A-10: Floppy drive connectorPin Signal Pin Signal1 GND 2 DENSITY SELECT*3 GND 4 N/C5 GND 6 N/C7 GND 8 INDEX*9 GND 10 MOTOR 0*11 GND 12 DRIVE SELECT 1*13 GND 14 DRIVE SELECT 0*15 GND 16 MOTOR 1*17 GND 18 DIRECTION*19 GND 20 STEP*21 GND 22 WRITE DATA*23 GND 24 WRITE GATE*25 GND 26 TRACK 0*27 GND 28 WRITE PROTECT*29 GND 30 READ DATA*31 GND 32 HEAD SELECT*33 GND 34 DISK CHANGE** low active21343433 33231 12