15.Dd Aug 16, 1992 16.Dt MSE 4 i386 17.Os 18.Sh NAME 19.Nm mse 20.Nd bus mouse driver 21.Sh DESCRIPTION 22This is a simple driver for the Logitech and ATI Inport bus mouse interfaces 23designed to be used with the X386 X11R5 X server. The minor device number is 24made up of: 25.Bd -literal -offset indent 26minor = ('unit' << 1) | 'non-blocking' 27.Ed 28.Pp 29where 'unit' is the device number (usually 0) and the 'non-blocking' bit 30is set to indicate "don't block waiting for mouse input, return 0 instead". 31The 'non-blocking' bit should be set for X386, therefore the minor device 32number usually used for X386 is 1. 33.Sh Caveats 34Most bus mice generate N interrupts/second when enabled, whether or not the 35mouse state is changing.
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