Panasonic JU-257A Service Guide - Page 27

Peripherals - Pocket Service Guide JUMPER DS0 DS1 DS2 DS3 RY34 DC2 DC34 HIS HI2 HI6 EIS EI2 EI6 EI33 HO4 HO27 HO33 EO6 EO17 EO29 OIV DIV MSC G17 G27 G29 FG DESCRIPTION Drive selected as DRIVE 0 on pin 10 Drive selected as DRIVE 1 on pin 12 Drive selected as DRIVE 2 on pin 14 Drive selected as DRIVE 3 on pin 6 READY output on pin 34 DISK CHANGE output on pin 2 DISK CHANGE output on pin 34 HD set automatically by the HD sensor HD IN input on pin 2 HD IN input on pin 6 ED set automatically by the ED sensor ED IN input on pin 2 ED IN input on pin 6 ED IN input on pin 33 HD OUT output on pin 4 HD OUT output on pin 27 HD OUT output on pin 33 ED OUT output on pin 6 ED OUT output on pin 17 ED OUT output on pin 29 HD OUT / ED OUT level inverted, Low = true HD IN / ED IN level assignment DC 0V on pin 17 DC 0V on pin 27 DC 0V on pin 29 Drive ground connected to PCBA ground SETTING OFF ON OFF OFF OFF OFF OFF ON OFF OFF 4 ON OFF OFF OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF 3.5" MICRO FLOPPY DISK DRIVES s 4-27