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 ... 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 Peripherals -
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 ... 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 Peripherals -
Service Guide
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...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... 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 Peripherals -
...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... 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 Peripherals -
Service Guide
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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 interface... 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 interface... 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 -
Service Guide
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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 - 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
Service Guide
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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
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... jumper settings to the interface connector DS1 Drive selected as DRIVE 1 DS0 Drive selected as DRIVE 0 4 COND. OFF * ON ON OFF * ON * OFF 1.44 MB FDU PANASONIC JU-257A 746P SA450 Note: This drive is available in two versions: with and without front panel. There are factory-set by Panasonic. 3.5" MICRO FLOPPY DISK DRIVES 4-23 Pocket Service Guide 1.44 MB FDU Y-E DATA YD-702D-6537D SA450...
... jumper settings to the interface connector DS1 Drive selected as DRIVE 1 DS0 Drive selected as DRIVE 0 4 COND. OFF * ON ON OFF * ON * OFF 1.44 MB FDU PANASONIC JU-257A 746P SA450 Note: This drive is available in two versions: with and without front panel. There are factory-set by Panasonic. 3.5" MICRO FLOPPY DISK DRIVES 4-23 Pocket Service Guide 1.44 MB FDU Y-E DATA YD-702D-6537D SA450...