1.44 MB FDU
PANASONIC JU-257A-081P
PANASONIC JU-257A-101P
SA450
JUMPER
DESCRIPTION
SETTING FOR
JU-257A-081P
SETTING FOR
JU-257A-101P
D0
Drive selected as DRIVE 0
OFF
OFF
D1
Drive selected as DRIVE 1
ON
ON
D2
Drive selected as DRIVE 2
OFF
OFF
D3
Drive selected as DRIVE 3
OFF
OFF
MO
Spindle motor controlled by the Motor On signal
ON
ON
MS
Spindle motor controlled by the Drive Select
signal
OFF
OFF
NC
Pin 2 of the interface connector is not connected
OFF
OFF
HD
HD is the pin 2 output signal
OFF
ON
TM
Terminator ON
ON
AT
Mode Select PS2 (OFF) or PCAT (ON)
OFF
OFF
4
Peripherals - Pocket Service Guide
3.5" MICRO FLOPPY DISK DRIVES
4-3