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Peripherals - Pocket Service Guide
1.44 MB FDU
POWER SUPPLY
CONNECTOR
Note:
This drive is available in two versions: with and without front panel
JUMP.
IF
Selects the capacity
Mode 2 (2.0/1.0 MB)
Automatic Switching operation
2.0 MB: if a high density disk is used
1.0 MB: if a double density disk is used
Mode 3 (2.0/1.6/1.0 MB)
Automatic Switching with "Mode Select" operation
2.0 MB: if a high density disk is used with "Mode Select" high
1.6 MB: if a high density disk is used with "Mode Select" low
1.0 MB: if a double density disk is used; "Mode Select" is not used
H2
Selects the output of the "High Density" signal
The High Density signal is applied to interface connector pin 2
The High Density signal is not applied to the interface connector
DS1
Drive selected as DRIVE 1
DS0
Drive selected as DRIVE 0
1.44 MB FDU
Note:
This drive is available in two versions: with or without front panel.
There are no jumper settings to be made on this drive and consequently there are no jumpers
present. The Density Mode and Drive Select parameters cannot be changed and are
factory-set by Panasonic.
3.5" MICRO FLOPPY DISK DRIVES
Y-E DATA YD-702D-6537D
JUMPERS
JUMPER INSERTED
DS1
H2
DS0
IF
JUMPER NOT INSERTED
FUNCTION
PANASONIC JU-257A 746P
SA450
4
COND.
OFF *
ON
ON
OFF *
ON *
OFF
SA450
4-23
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