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