Jumpers/Switches/Controls
Jumper Settings
Jumper
Settings Description
DSO to DS3 Drive select 0 to 3.*
FG ML Connect electrical ground to chassis.
Activate motor on in 2 selections.
OFF = Motor-on signal.
ON = Motor on + LED on (drive selected).
IR LED on.
OFF = LED on when drive selected.
ON = LED on when drive selected and ready.
ACD Inhibit the autochecking at disk installation.
OFF = Autochecking operation executed.
ON = Autochecking inhibited.
REN Execute the autorecalibration at power on.
OFF = Autorecalibration inhibited.
ON = Autorecalibration executed at power on.
HMK,NMK Jumpered to select an output condition of the index and RW data
pulses.
DC,RY Select output signals for terminals 2, 4, and 34.
* Only 1 on at a time
720-KB Model
HA 1-MB mode fixed*
* HA must be jumpered for the 720-KB model.
1.44-MB and 720-KB Combination Density
HA, HI2, HO2, LH1, LH0 Select density mode by either pin 2 or sensor.