View Full Version : cpu thermal-throttling?
How does cpu thermal-throttling work? I see settings from like 85% - 15% ...how do I work this?
OK ...I mean amd specific and on the nf7-s.
thanks
t1rhino
9 Dec 2003, 2:27pm
disable!
I think it will throttle back your chip speed if you reach % of certain temp.
t1rhino had this to say
disable!
I think it will throttle back your chip speed if you reach % of certain temp.
that is why I ask ...with the inconsitent ambient temps and weather right now I get into trouble on warmer days when folding @ home. So if I could set it somehow to throttle back when it gets warm during the day perhaps I won't have to worry about it. Seems that when it (the cpu) reaches beyond 50c or acutally few degrees warmer it starts to send the wu's back and freaks out ...I'm hoping to set it to where it would throttle back at around 50c.
I don';t have a clue as to where to start however ...85%? 15% ...no clue what the percentages mean and how to tell the mb at what temp I want to throttle back.
I'm guessing that the function goes with the CPU shutdown warning temp.
Set that, then turn throttling on and just see what happens.
hmmm ...I wonder if I set it to lets say 15% will is throttle back 15% of 100% or will it throttle back to 15%.?
As I said, try it and find out.
it will be about 8 hours before i get home so in the meantime I'll do a little searching to see if I come up with anything at all. I'll post back if I see any concrete evidence on how this mess works.
t1rhino
9 Dec 2003, 3:19pm
I don't really remember if the manual had much info about it.
Check the abit forums. Maybe someone there has used it before.
the manual isn't very much help when it comes to these sorts of bios settings so I started a thread (http://forum.abit-usa.com/showthread.php?s=&threadid=31809) at abit.
curious to see what comes of it.
Mt_Goat
9 Dec 2003, 5:20pm
Interesting as I started having problems folding with high OC'ing right about the time I disabled mine. ???
Spinner
9 Dec 2003, 5:25pm
t1rhino had this to say
I don't really remember if the manual had much info about it.
Check the abit forums. Maybe someone there has used it before.
Yeah, I don't think it says jack about that function. I remember looking myself. I have mine set to default, which is what, 50%?
Mt_Goat
9 Dec 2003, 5:48pm
Well I just reset mine back to the default 50% (was disabled) and am going to see what happens for the next couple of days.
Templar
9 Dec 2003, 6:22pm
Spinner had this to say
t1rhino had this to say
I don't really remember if the manual had much info about it.
Check the abit forums. Maybe someone there has used it before.
Yeah, I don't think it says jack about that function. I remember looking myself. I have mine set to default, which is what, 50%?
My manual says nothing about it either.
As Thrax said.. The CPU Shutdown temp feature does work :) I've had it kick in once while I was setting up.. Forgot to plug the CPU fan in :banghead:
hmmm ...iduwanna shutdown just throttle back.
Is that simular to go to start to shudown? lol /nm
oh well won't do me much good til the weather warms up again ...cool front coming thru tonight.
csimon
10 Dec 2003, 3:19am
This BIOS feature determines the clock speed of the processor when it is in the Suspend To RAM (STR) power saving mode. It has no effect when the processor is in normal active mode. (http://www.rojakpot.com/default.aspx?**********1)
Scroll til you see "FREE Access to the BIOS Optimization Guide!" and click ...go to processor/cpu throttle and there is an excellent explanation.:bawling:
t1rhino
10 Dec 2003, 3:23am
Well since I never turn my pc off, I guess that feature is wasted on me. :D
csimon
10 Dec 2003, 3:32am
So what is Suspend to RAM (STR)?
Spinner
10 Dec 2003, 3:56am
It's like the 'hibernate' function expect instead of copying the contents of the memory onto the hard disk, then powering off, it simply powers everything down except the memory. So when you turn the pc back on again it resumes exactly where you left off.
csimon
10 Dec 2003, 4:06am
It's like the 'hibernate' function expect instead of copying the contents of the memory onto the hard disk, then powering off, it simply powers everything down except the memory. So when you turn the pc back on again it resumes exactly where you left off. That's what I was thinking ...so if I set it to 87.5% does this mean the processor will be running at a clock speed that allows it to use 12.5% less power while in the STR?
Less power less heat ...less heat more stable during the day when I'm not home. Sound good to you?
Spinner
10 Dec 2003, 4:20am
csimon had this to say
That's what I was thinking ...so if I set it to 87.5% does this mean the processor will be running at a clock speed that allows it to use 12.5% less power while in the STR?
Honestly I have no idea, your guess is a good as mine. Up until a few moments ago, I had no idea that the thermal throttling function was STR related.
I don't quite get it to be honest, because I always presumed the CPU wasn't active while in STR mode. For the simple reason that surely if it was still switched on to some degree, it would need cooling and therefore it would need the CPU fan to be powered. But last time I used STR, everything was dead. Though admittedly I haven't tested out the STR mode on my NF7 yet.
Well STR shuts of the fan on my NF7-S.
And I think I have disabled throttling.
Didn't know it was related to STR either.
vBulletin® v3.8.1, Copyright ©2000-2009, Jelsoft Enterprises Ltd.