Panasonic JU-257A Service Guide - Page 2
Mb Fdu, Panasonic Ju-257-03t, Panasonic Ju-257-03p, Sa450 - floppy
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1.44 MB FDU Peripherals - Pocket Service Guide PANASONIC JU-257-03T PANASONIC JU-257-03P SA450 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 DC Disk Change is the signal on pin 34 of the interface connector RY Ready is the signal on pin 34 of the interface connector TM Terminator SETTING OFF ON OFF OFF ON OFF ON OFF ON 4-2 3.5" MICRO FLOPPY DISK DRIVES
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1.44 MB FDU
PANASONIC JU-257-03T
PANASONIC JU-257-03P
SA450
JUMPER
DESCRIPTION
SETTING
D0
Drive selected as DRIVE 0
OFF
D1
Drive selected as DRIVE 1
ON
D2
Drive selected as DRIVE 2
OFF
D3
Drive selected as DRIVE 3
OFF
MO
Spindle motor controlled by the Motor On signal
ON
MS
Spindle motor controlled by the Drive Select signal
OFF
DC
Disk Change is the signal on pin 34 of the interface connector
ON
RY
Ready is the signal on pin 34 of the interface connector
OFF
TM
Terminator
ON
Peripherals - Pocket Service Guide
4-2
3.5" MICRO FLOPPY DISK DRIVES