how to obtain single-line scroll with wheel mouse? (FC5)

[JJ]

Hello All:
I use FC5 on three different desktop computers and on
all of them the scroll wheel on my mouse moves about 8
lines per notch.  To me, this is too much and I would
like the mouse to scroll only one or two lines.  The
mouse behaves this way in a variety of programs
(python command window, gedit, Lyx, and so on).  Does
anyone know how to change the scroll rate of a wheel
mouse?  You can not do it through the Mouse
Preferences dialog box.  Do you have to change
something in the Fedora code and rebuild the system?  

Thanks.  John

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