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Peripherals - Pocket Service Guide
1.44 MB FDU
SWITCH
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 connected
NC, OUT, NC
SW6
HD is the output signal on pin 2 of the interface connector
EX, EX, OUT
3.5" MICRO FLOPPY DISK DRIVES
PANASONIC JU-257A-293P
DESCRIPTION
SA450
4
SETTING
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
ON
4-5
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