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Simple Undervolting Tutorial - Pentium M Dothan - Page 16

post #301 of 1202
4/29/05 at 6:54pm
Hi,
Anyone knows if there is a similar tool for linux?
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post #302 of 1202
5/4/05 at 7:28am

help needed in last step!

I have just completed the undervolting procedure on my Asus W3N. I managed to lower the maximum voltage from 1,340V to 1,116V. However when I first installed RMClock the minimum said 0,700V already from the start. I have now been running on 0,700 for a while so I guess this is correct.

Now for my question. Under the Advanced tab RMClock v.1.5 there is one box checked which says "thermal monitor 2". Next to this I can see that you can change "thermal monitor 2 target". This is now set to
"TM target FID 6.0x"
"TM target VID 0.988V"

Should I in any way change this VID number to lets say my minimal voltage 0.700V.
Because the fan is still running like it did before and at the same temperature. Shouldn´t the computer now be running at the lowest possible requirements and so the fan should go down.

Please help me!!

Thanks
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post #303 of 1202
5/4/05 at 10:45am
Thread Starter 
I believe Thermal Monitor 2 is designed to activate only if the CPU reaches a certain temperature. You should also set this to the same value as your PST minimal voltage or else you might end up in a situation where the CPU actually gets hotter instead of cooler! Dmitri, the author of RMClock, explains it in more detail at http://forum.rightmark.org/topic.cgi?id=6:70.
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post #304 of 1202
5/4/05 at 6:42pm
Neddle,
thanks,..i'll try this when i get home..i recently bought a 600m for my sister..and it gets hot fast..i hope this guide will help
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post #305 of 1202
5/6/05 at 2:30am
I have a 1.7 Bania. Is it normal for me to only be able to get my Max VID down to 1.260?

Seems I should be able to get it lower than that.
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post #306 of 1202
5/11/05 at 12:12pm
Wow...links to this tutorial have really found their way around...

http://digg.com/hardware/Undervolt_y...nd_reduce_heat
http://forums.hardwarezone.com/showthread.php?t=994763
http://forums.anandtech.com/messagev...&enterthread=y
http://ynot2k.com/phpbb/nfphpbb/viewtopic.php?t=60
http://forum.rightmark.org/topic.cgi?id=6:164
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post #307 of 1202
5/11/05 at 8:02pm
Something is wrong here.
1)When I activate Run HLT command when OS is idle I cannot lower my min VID below 0.892
2)When I try to set my max VID and set the ac profil to maximal, the actual clock refuse to stay at 2000 mhz and jump back to 800 mhz I also keep getting the message CPU thermal throtting Activated
3) I downloaded MobileMeter and it said that my temperature is at 68C when my profil is set to minimal and 103C on maximal

...Help?
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post #308 of 1202
5/12/05 at 5:52am
Quote:
Originally Posted by BGraceTFaith
I have a 1.7 Bania. Is it normal for me to only be able to get my Max VID down to 1.260?

Seems I should be able to get it lower than that.

The Banias is based on 130 nm process whereas most of the posts here are made by people with the newer Dothan processors based on 90 nm, so I'd say that your Max VID of 1.26 V look like as good as you're going to get.

90 nm process mean smaller connectors within the CPU so things (capacitors etc) can be placed closer together, thus requiring less voltage.
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post #309 of 1202
5/13/05 at 8:17pm
alright so i decided to try this undervolting and it's amazing
my pentium M 2.0ghz is now running 19 degrees cooler at full load
i'm using 0208 bios for asus m6bne
and my voltages are at the moment
min VID: 0.700V
max VID: 1.100V

amazing
i'm burning it in all night tonight for max and tomorrow i'll burn in the min
so far i've been running it for 6 hours
it's so smart
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post #310 of 1202
5/14/05 at 5:31am
for prime 95.. what kind of torture test do i have to do?
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post #311 of 1202
5/15/05 at 4:26pm
i dunno why but i read this HOW TO article like 9 times. And slightly skimmed thru the 20+ pages and i still dont have this down.


First off is prime running right? I cant do anything in it. like tourture test and what not its like disable.

"test1, 2500 lucas=lehmer iterations of m29311553 using 1536K FFT length" and test2 and 3 simliar things. Is that how its

suppose to run?

Also i'm having either one of these issues with RMclock. I read something about that bug. In management everything i hit apply the max VID goes back to stock 1.356V. Its either that or the dang thing freezes.
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post #312 of 1202
5/15/05 at 7:40pm
set min. VID first
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post #313 of 1202
5/15/05 at 8:31pm
Quote:
Originally Posted by onetake
for prime 95.. what kind of torture test do i have to do?
I've been doing the first option since it stresses the FPU the most and this is where errors are going to crop up while it is calculating. I thought I was good but after 10 hours I got an error so I am testing anew.
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post #314 of 1202
5/15/05 at 8:31pm
Min .700 Max .972
PM 1.6 730
cpu: 38c hd:34c

only about 2-4c change after undervolt.
stable after 4 hrs prime 95
hasn't change my fan usage, I keep fan GUI on @40c off @36c
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post #315 of 1202
5/16/05 at 3:05am
ran the large test for prime95 for both min and max for 21 hours
solid as a rock
we'll see if i ever get a blue screen, maybe it's safer to step the voltages two steps higher, but right now i like where it's at
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post #316 of 1202
5/16/05 at 12:33pm
Update
Min .700 Max now .956, 1 step above error.

tested for 12 hrs with 800,000 iteration 8k TFT, feel its safe for my puposes
I6000d 1.6g 730
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post #317 of 1202
5/16/05 at 3:13pm
Quote:
Originally Posted by Torell
ran the large test for prime95 for both min and max for 21 hours
solid as a rock
we'll see if i ever get a blue screen, maybe it's safer to step the voltages two steps higher, but right now i like where it's at
I did pretty much the same thing last week...seemed perfectly stable and then the very next evening I got my first ever BSOD while playing WoW. Bumped it up one more notch from 1.084v to 1.100v and have been fine ever since. While Prime95 probably does a good job keeping the processor busy, it probably doesn't actually test every possible section of the CPU so bumping 2 steps is probably not a bad idea.
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post #318 of 1202
5/16/05 at 6:45pm
I don't know if it's just my cpu (1.86Ghz P-M), but whenever I dip the voltage even close to where you guys have it, I get a hardware/overheating error.

Upon further experimentation, I've got my maximal down to 1.052v, and it seems to be alright so far.
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post #319 of 1202
5/17/05 at 1:04am
I was at 1.068 V but got an error after 4 hours I think. Then I was at 1.084 and got an error after 10 hours. I tested at 1.100 for 30 hours and no errors so I think I'm going to keep it there. Testing the minimal at .7 now.
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post #320 of 1202
5/17/05 at 1:22am
The battery life I'm getting is incredible: I ran the battery calibration tool last evening, and it's been draining for over three and a half hours! Three and a half hours!!! Dude!!! That rocks! The old Dells at school get four hours, but they need two batteries to do it! Now, I may have to increase voltage to 1.1v since that's where people are seeming to find stable points. I don't know about that, though.
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