Panasonic JU-257A Service Guide - Page 4

Peripherals - Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-083P PANASONIC JU-257A-083PJ PANASONIC JU-257A-103P PANASONIC JU-257A-103PJ SA450 SWITCH DESCRIPTION SW3-0 Drive selected as DRIVE 0 SW3-1 Drive selected as DRIVE 1 SW3-2 Drive selected as DRIVE 2 SW3-3 Drive selected as DRIVE 3 SW2-MO Spindle motor controlled by the Motor On signal SW2-MS Spindle motor controlled by the Drive Select signal SW1-RY Disk Change is the signal on pin 34 of the interface connector SW1-DC Ready is the signal on pin 34 of the interface connector SW5-PS2 PS2 Mode Select SW5-AT PCAT Mode Select SW6 Pin 2 of the interface connector is not NC, OUT, NC connected SW6 HD is the output signal on pin 2 of the EX, EX, OUT interface connector SETTING FOR JU-257A-083P/PJ OFF ON OFF OFF ON OFF ON OFF ON OFF ON OFF SETTING FOR JU-257A-103P/PJ OFF ON OFF OFF ON OFF ON OFF ON OFF OFF ON 4-4 3.5" MICRO FLOPPY DISK DRIVES