Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
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Int 15h Function C2h Subfunction 01h
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     After a reset operation, the state of the pointing device is as
     follows:
 
     ■   disabled
     ■   sample rate at 100 reports per second
     ■   resolution at 4 counts per millimeter
     ■   scaling at 1 to 1
 
     The data package size is unchanged by this function.
 
     The application can use the other Int 15h Function C2h
     subfunctions to initialize the pointing device to other sample
     rates, resolution, and scaling, and then enable the device with
     Int 15h Function C2h Subfunction 00h.
 
     See also Int 15h Function C2h Subfunction 05h, which incidentally
     resets the pointing device in a similar manner.
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