Panasonic JU-257A Service Guide - Page 17
Mb Fdu, Y-e Data Yd-702d-6037d, Sa450
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Peripherals - Pocket Service Guide 1.44 MB FDU Y-E DATA YD-702D-6037D SA450 4 JUMPER IF, T1, T2 H2 H4 RY DC DS1 DS0 DESCRIPTION Automatic Switching operating mode Sends the HD sense signal on pin 2 Sends the HD sense signal on pin 4 The Ready signal is on pin 34 of the interface connector The Disk Change signal is on pin 34 of the interface connector Drive selected as DRIVE 1 Drive selected as DRIVE 0 SETTING OFF ON OFF OFF ON ON OFF 3.5" MICRO FLOPPY DISK DRIVES 4-17
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1.44 MB FDU
Y-E DATA YD-702D-6037D
SA450
JUMPER
DESCRIPTION
SETTING
IF, T1, T2
Automatic Switching operating mode
OFF
H2
Sends the HD sense signal on pin 2
ON
H4
Sends the HD sense signal on pin 4
OFF
RY
The Ready signal is on pin 34 of the interface connector
OFF
DC
The Disk Change signal is on pin 34 of the interface connector
ON
DS1
Drive selected as DRIVE 1
ON
DS0
Drive selected as DRIVE 0
OFF
4
Peripherals - Pocket Service Guide
3.5" MICRO FLOPPY DISK DRIVES
4-17