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Is there CPU throttling software for an AMD X2 that runs on Windows 2000?

U

unclebabar

Senior member
AMD's Cool and Quiet software (they call it a driver) is not available for X2 processors running Windows 2000 (It is available for XP and built-in to Vista and it is available for Win2000 on single core processors).

Is there some sort of third party equivalent? I've heard of something called Crystal? <something>, but I'm not sure if that's just an application that requires the driver or if it's a replacement driver.
 
Also, it depends on what kind of throttling you want.

If it's throttling based on cpu temperature, that capability is probably available in your bios.

If it's speed, that also is a bios setting.

At the moment I can't think what other kind of throttling there would be, other than based on speed or temperature.

???

No, I don't know of any software for that other than what's in your bios.
 
Some ACPI firmwares can throttle for you but I wouldn't trust that myself, if it's adjusting the CPU frequency behind the OSes back it can cause all kinds of timing issues. Hell just having frequency scaling enabled on a host running VMWare can cause guest clocks to run extremely fast or slow and it's sort of the same thing.
 
I think Cool and Quiet responds to CPU load. The thing I was thinking of was CrystalCPUID413. Well it managed to freeze up my computer, but i had the single core cool and quiet driver installed at the same time. Maybe i will try again without.
 
Never heard of CrystalCPUID413 till now.

According to what I Jus finished reading about it, it looks more like a utility to give you information. And has some aspect for tweaking your settings.

I agree with Nothinman, I was taught that it's better to not adjust bios settings with a tool from inside the OS. It's better to boot into bios and make your adjustments in the bios itself. When I overclock a computer I reboot a zillion times just for that purpose.

As for the aspect of CrystalCPUID413 that gives you information, how about giving this other free utility a try? See if you can find in it the same info you wanted out of CrystalCPUID413:

SIW

"The freeware SIW is a tool that gathers detailed information about your system properties and settings." SIW is sort of the same idea as the old Everest Home Edition used to be.

 
I agree with Nothinman, I was taught that it's better to not adjust bios settings with a tool from inside the OS. It's better to boot into bios and make your adjustments in the bios itself. When I overclock a computer I reboot a zillion times just for that purpose.
Click to expand...

That's not what I meant at all. It's perfectly fine to have the OS manage the CPU frequency for you, I use the Linux ondemand cpufreq module all of the time and it works just fine. What I warned against was using any firmware support for dynamically scaling the frequency while the OS is running. If the frequency changed behind the OSes back without it knowing then you'll have timing issues but if you're using a kernel module that does the scaling then it'll be fine because OS knows what's going on.
 
Take a look at RMClock http://cpu.rightmark.org/products/rmclock.shtml

I'm pretty sure it supports X2 and Win 2000.

On Win XP it works with or without the Cool n Quiet driver installed. I use it on an overclocked 4000+, in performance on demand mode. In this mode, the cpu scales, as needed, from a 4x muilti to the 12x multi and uses the core volts that I specify for each multiplier. When I'm idle or just web surfing, word processing, etc. the cpu runs at 940 MHz and 1.1 volts but, when I need it, it scales all the way up to 2.8 GHz at 1.35 volts.
 
s44: is your 4400+ dual core? and if so where did you get the driver? Some guy at AMD support said I was out of luck. I'd be interested in hearing how you got it to work
 
Wow this Rightmark thing works great (well relative to having jacksquat working). My meters says I now pulling only 80 watts (down from 135 watts). I was hoping for more savings but I'll definitely take it. This is with a 65W X2 4600+, foxconn c51ridiculouslylongname motherboard).

I left the voltage at 1.25V for all multipliers. I may fiddle with that later.
 
You can check the thermal/power specs for your cpu in the AMD white papers and see what volts are recommended for some different speeds.
http://www.amd.com/us-en/asset...nd_tech_docs/30430.pdf

You should be able to drop the voltage on the lower multipliers. If you're not using the Official AMD P-state transitions, it's a good idea to test for stability at each of the FID/VID settings you plan to use (probably a good idea anyway). I used clockgen to set my system to each speed/voltage then ran orthos for a while at each speed.

The RM forums will help if you have any questions.
http://forum.rightmark.org/?id=6
 
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