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Panasonic JU-257A - 1.44 MB Floppy Disk Drive Service Manual page 11

3.5" micro floppy disk drives

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Peripherals - Pocket Service Guide
1.44 MB FDU
CONFIGURATION ON
DRIVE YD-702B-6037B
JUMPER
300
Enable 300 Kbit/sec transfer rate
IF
HD
Issues the HD Sense signal on pin 2
Spindle motor controlled by the Drive Select
M2
signal
M1
P1
Ready is the signal on pin 34 of the interface
RY
connector
Disk Change is the signal on pin 34 of the
DC
interface connector
DS3
Drive selected as DRIVE 3
DS2
Drive selected as DRIVE 2
DS1
Drive selected as DRIVE 1
DS0
Drive selected as DRIVE 0
3.5" MICRO FLOPPY DISK DRIVES
Y-E DATA YD-702B-6039B
Y-E DATA YD-702B-6037B
DESCRIPTION
SA450
SETTING FOR
SETTING FOR
YD-702B-6037B
YD-702B-6039B
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
4
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