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Windows FPS limit

Dan M

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Basically we are under a spot of bother here.


Wndows svr 2003 limits server side fps to about 66 frames, Im looking for a way of increasing this limitation to 100 - 120 without completely removing this.


Can anyone help please? :)

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windows 2003's timer interrupt frequency on SMP is 66.6hz, which 1 hz is 1 frame gameside, give or take a couple because of erroring. Only way to crank it is to go to uniprocessor, which is 100hz.


+fps_max (power of 2) +alias fps_max echo "Disabled"

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I'm not sure what the above means. If you could explain it in a more simple form that would be excellent.


Meanwhile I've attempted to compile the following from the srcdsfpsboost but I can't seem to compile it from my end. If anybody is good with C / C++ could you help me compile the following please?


#include <stdio.h>

#include <windows.h>

int main(void)



printf("Press any key to restore normal timer frequency.\n");



return 0;



I get the following 3 errors;


[Linker error] undefined reference to `timeBeginPeriod@4'

[Linker error] undefined reference to `timeEndPeriod@4'

ld returned 1 exit status




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You need Winmm.lib as a linker. You could do this instead:


#pragma once(lib, Winmm.lib)


Hmm, I still don't understand - not coding savvy ;)


Brian from Velocity Servers sent me the one you created, I think. But I needed one with a value of 8ms instead of 1ms - If you could help me with this one Monk it would be much appreciated :)

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  • 2 weeks later...
I didn't get what that post meant - Neither did my colleagues who have years of experience with Windows.

I don't want to speak for Monk, but I think he meant that you can't set the interrupt frequency to an arbitrary number like 8ms.

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