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Old 06-22-2004, 11:01 PM   #1
Daem0hn
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Registered: Jul 2003
Location: Australia
Distribution: Gentoo 1.4
Posts: 43

Rep: Reputation: 15
'Jerky' PS2 mouse movement - Increasing refresh rate


i have read a few gaming guides on how to get goood aim in FPS games, a number suggest increasing - 'overclocking' your mouse, increasing its refresh rate

however, the problem stands that all of these are for windows, and supply windows registry additions and hacks to increase or smooth the mouse movement as it moves across the screen.

i have an optical wireless mouse, so i understand that my mouse movement may me 'chopper' than a wired ball mouse.

i am wondering if there is any way to increase the refresh rate - the rate at which the computer checks the mouse's movement for a PS2 mouse

if this is not the resolution to my mouse movement issues then please feel free to suggest an alternative, currently when i watch my mouse move across the background, i can see it jumping slightly.

i use gentoo 1.4 on a 2.4.24 kernel with gnome 2.6 running on XOrg with a logitech MX700

thanks in advance
-- Daem0hn
 
Old 06-23-2004, 01:43 AM   #2
Electro
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Registered: Jan 2002
Posts: 6,042

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There is no such thing as the refresh rate for a mouse. Also you can not overclock your mouse. There is sampling rate and resolution. Think of a sound card. A higher or the faster the sampling rate gives you near the same quality of the sound. The resolution is how many steps of points to take of the signal for each sample. The sampling rate is measured in milliseconds (I think) and the resolution is measured in dots per inch or pixels per inch.

To set these values you need to add or edit a line in XF86Config. Its usually under /etc/X11. In that file find the Pointer section and add/edit SampleRate and Resolution. Read your maximum mouse settings before changing the sampling rate and resolution.

Code:
Section "Pointer"
    SampleRate nnn
    Resolution nnn
EndSection
nnn = a desire number that you want to use

Wireless will have a lot of latency problems. You may want to use a wired PS/2 device because there is not much conversion circuitry.
 
  


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