Quoted from "SASF-Calevey"

There's no reason to kill all the cores but one, because OS and other softwares in the background take resources as well.

Quoted from "hunii+"

Well you're probably right SASF , but if he could overclock that 1 core it would do good for AA... If he's multitasking then no..
I have phenom with 3 cores and AA runs fluently with all 3 cores assigned to AA

Quoted from "frankof"

Quoted from "hunii+"

Well you're probably right SASF , but if he could overclock that 1 core it would do good for AA... If he's multitasking then no..
I have phenom with 3 cores and AA runs fluently with all 3 cores assigned to AA

You cant "multi task" AA2, read the whole thread and understand what i said
Fact: game is single threaded.
Fact: AMD has a history of iffy performance with AA2 with their multi core cpu's, for some it works ok, for other it is really strange, giving you anything from a slide show to crashes with negative delta time, or unrealistically high framerate(8000fps is not really the truth)

There used to be a program for AMD cpus, "Dualcore optimizer", if it still works on the newer cpus i dont know, but one fix is to run the game on one core.

And yes, i used a x2 AMD for several years playing AA2, always had to turn on core off to get stable performance, sometimes it worked ok, other not.

Quoted from "-Spanky-"

Quoted from "frankof"

Quoted from "hunii+"

Well you're probably right SASF , but if he could overclock that 1 core it would do good for AA... If he's multitasking then no..
I have phenom with 3 cores and AA runs fluently with all 3 cores assigned to AA

You cant "multi task" AA2, read the whole thread and understand what i said
Fact: game is single threaded.
Fact: AMD has a history of iffy performance with AA2 with their multi core cpu's, for some it works ok, for other it is really strange, giving you anything from a slide show to crashes with negative delta time, or unrealistically high framerate(8000fps is not really the truth)

There used to be a program for AMD cpus, "Dualcore optimizer", if it still works on the newer cpus i dont know, but one fix is to run the game on one core.

And yes, i used a x2 AMD for several years playing AA2, always had to turn on core off to get stable performance, sometimes it worked ok, other not.

I think the issues you're talking about are old. I have a AMD 6-Core that's overclocked and I have no problems running AA (except for my Pipeline map that pushes the engine limits). I also tried the dual-core optimizer and it did absolutely nothing. I have also tried the command line switch +fullproc and that did nothing. The engine is old, newer hardware can cause issues with old engines (I recall that Half-Life 1 would crash with more than 4GB of memory installed).

To the OP, try to overclock your CPU to 3GHz and see if that helps. I've read about people taking your CPU to 3.5GHz and more so 3 shouldn't be too hard.

Quoted from "-Spanky-"

66c on a modern AMD CPU is very insane. I believe thermal shutdown is 62C so something is up with that. You need to get your CPU cooler fixed. If a single-core game gets your temps that high, something is seriously wrong. You're risking serious damage to your computer by running it that hot. If you built your computer, re-mount the heatsink. If you bought it, get someone else to do it as it's probably outside warranty.