JUMPER
DESCRIPTION
SETTING
DS0
Drive selected as DRIVE 0 on pin 10
OFF
DS1
Drive selected as DRIVE 1 on pin 12
ON
DS2
Drive selected as DRIVE 2 on pin 14
OFF
DS3
Drive selected as DRIVE 3 on pin 6
OFF
RY34
READY output on pin 34
OFF
DC2
DISK CHANGE output on pin 2
OFF
DC34
DISK CHANGE output on pin 34
OFF
HIS
HD set automatically by the HD sensor
ON
HI2
HD IN input on pin 2
OFF
HI6
HD IN input on pin 6
OFF
EIS
ED set automatically by the ED sensor
ON
EI2
ED IN input on pin 2
OFF
EI6
ED IN input on pin 6
OFF
EI33
ED IN input on pin 33
OFF
HO4
HD OUT output on pin 4
OFF
HO27
HD OUT output on pin 27
ON
HO33
HD OUT output on pin 33
OFF
EO6
ED OUT output on pin 6
OFF
EO17
ED OUT output on pin 17
ON
EO29
ED OUT output on pin 29
OFF
OIV
HD OUT / ED OUT level inverted, Low = true
OFF
DIV
HD IN / ED IN level assignment
OFF
MSC
OFF
G17
DC 0V on pin 17
OFF
G27
DC 0V on pin 27
OFF
G29
DC 0V on pin 29
ON
FG
Drive ground connected to PCBA ground
OFF
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Peripherals - Pocket Service Guide
3.5" MICRO FLOPPY DISK DRIVES
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