Panasonic JU-257A - 1.44 MB Floppy Disk Drive Service Manual page 15

Peripherals - Pocket Service Guide
1.44 MB FDU
SS01
JUMPER
SS01
1-6 Drive selected as DRIVE 0
1-2 Drive selected as DRIVE 1
3-8 The mode is selected by an internal sensor.
4-9 I/F pins 7, 9 and 11 are connected to GND.
The mode is selected by the HDI input signal
3-4
Mode 2M is selected by a low HDI input signal
7-8
I/F pins 7, 9 and 11 are open.
The mode is selected by the HDI input signal
4-9
Mode 2M is selected by a high HDI input signal.
7-8
I/F pins 7, 9 and 11 are connected to GND.
3.5" MICRO FLOPPY DISK DRIVES
EPSON SMD1040-419
DESCRIPTION
SA450
4
SETTING
OFF
ON
ON
OFF
OFF
4-15