Service Guide
Page 3
... - Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-081P PANASONIC JU-257A-101P SA450 4 JUMPER DESCRIPTION D0 Drive selected as DRIVE 0 D1 Drive selected as DRIVE 1 D2 Drive selected as DRIVE 2 D3 Drive selected as DRIVE 3 MO Spindle motor controlled by the Motor On signal MS Spindle motor controlled by the Drive Select signal NC Pin 2...pin 2 output signal TM Terminator AT Mode Select PS2 (OFF) or PCAT (ON) SETTING FOR JU-257A-081P OFF ON OFF OFF ON OFF SETTING FOR JU-257A-101P OFF ON OFF OFF ON OFF OFF OFF OFF ON ON ON OFF OFF 3.5" MICRO FLOPPY DISK DRIVES 4-3
... - Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-081P PANASONIC JU-257A-101P SA450 4 JUMPER DESCRIPTION D0 Drive selected as DRIVE 0 D1 Drive selected as DRIVE 1 D2 Drive selected as DRIVE 2 D3 Drive selected as DRIVE 3 MO Spindle motor controlled by the Motor On signal MS Spindle motor controlled by the Drive Select signal NC Pin 2...pin 2 output signal TM Terminator AT Mode Select PS2 (OFF) or PCAT (ON) SETTING FOR JU-257A-081P OFF ON OFF OFF ON OFF SETTING FOR JU-257A-101P OFF ON OFF OFF ON OFF OFF OFF OFF ON ON ON OFF OFF 3.5" MICRO FLOPPY DISK DRIVES 4-3
Service Guide
Page 4
...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...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
...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...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
Service Guide
Page 5
Peripherals - Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-293P SA450 4 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... output signal on pin 2 of the interface connector EX, EX, OUT SETTING OFF ON OFF OFF ON OFF ON OFF OFF ON OFF ON 3.5" MICRO FLOPPY DISK DRIVES 4-5
Peripherals - Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-293P SA450 4 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... output signal on pin 2 of the interface connector EX, EX, OUT SETTING OFF ON OFF OFF ON OFF ON OFF OFF ON OFF ON 3.5" MICRO FLOPPY DISK DRIVES 4-5
Service Guide
Page 6
Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-84P PANASONIC JU-257A-104P SA450 SWITCH DESCRIPTION SW3-0 SW3-1 SW3-2 SW3-3 SW2-NC SW2-OUT SW1-IN Drive selected as DRIVE 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 Pin 2 of the interface connector is not connected -HD is the output signal on pin 2 of the interface connector +HD is the input signal on pin 2 of the interface connector SETTING FOR JU-257A-84P OFF ON OFF OFF SETTING FOR JU-257A-104P OFF ON OFF OFF ON OFF OFF ON OFF OFF 4-6 3.5" MICRO FLOPPY DISK DRIVES Peripherals -
Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-84P PANASONIC JU-257A-104P SA450 SWITCH DESCRIPTION SW3-0 SW3-1 SW3-2 SW3-3 SW2-NC SW2-OUT SW1-IN Drive selected as DRIVE 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 Pin 2 of the interface connector is not connected -HD is the output signal on pin 2 of the interface connector +HD is the input signal on pin 2 of the interface connector SETTING FOR JU-257A-84P OFF ON OFF OFF SETTING FOR JU-257A-104P OFF ON OFF OFF ON OFF OFF ON OFF OFF 4-6 3.5" MICRO FLOPPY DISK DRIVES Peripherals -
Service Guide
Page 7
Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-294P SA450 4 SWITCH SW3-0 SW3-1 SW3-2 SW3-3 SW2-NC SW2-OUT SW1-IN DESCRIPTION Drive selected as DRIVE 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 Pin 2 of the interface connector is not connected -HD is the output signal on pin 2 of the interface connector +HD is the input signal on pin 2 of the interface connector SETTING OFF ON OFF OFF OFF OFF ON 3.5" MICRO FLOPPY DISK DRIVES 4-7 Peripherals -
Pocket Service Guide 1.44 MB FDU PANASONIC JU-257A-294P SA450 4 SWITCH SW3-0 SW3-1 SW3-2 SW3-3 SW2-NC SW2-OUT SW1-IN DESCRIPTION Drive selected as DRIVE 0 Drive selected as DRIVE 1 Drive selected as DRIVE 2 Drive selected as DRIVE 3 Pin 2 of the interface connector is not connected -HD is the output signal on pin 2 of the interface connector +HD is the input signal on pin 2 of the interface connector SETTING OFF ON OFF OFF OFF OFF ON 3.5" MICRO FLOPPY DISK DRIVES 4-7 Peripherals -
Service Guide
Page 23
... is applied to the interface connector DS1 Drive selected as DRIVE 1 DS0 Drive selected as DRIVE 0 4 COND. The Density Mode and Drive Select parameters cannot be made on this drive and consequently there are factory-set by Panasonic. 3.5" MICRO FLOPPY DISK DRIVES 4-23 OFF * ON ON OFF * ON * OFF 1.44 MB FDU PANASONIC JU-257A 746P SA450 Note: This drive is not applied to interface connector...
... is applied to the interface connector DS1 Drive selected as DRIVE 1 DS0 Drive selected as DRIVE 0 4 COND. The Density Mode and Drive Select parameters cannot be made on this drive and consequently there are factory-set by Panasonic. 3.5" MICRO FLOPPY DISK DRIVES 4-23 OFF * ON ON OFF * ON * OFF 1.44 MB FDU PANASONIC JU-257A 746P SA450 Note: This drive is not applied to interface connector...