Looknig for undervolting results for m1530 T8300

Hi! I'm wondering if anyone with a m1530 with a t8300 has used Flipfire's guide to under-volt their notebook and what multiplier/voltages people ended up with. I'm asking so when I do it I have an idea of what voltage for each multiplier is best suitable. Hope my question makes sense.

 

Though best you find the voltages yourself. Copying someone elses cpu voltages might not be stable for yours.

 

ok thanks flipfire!

 

I use the same voltages above and I noticed a good drop in temperature which resulted in much lower fan noise while idle/surfing, about same noise while gaming. I definitely recommend undervolting as it is not a difficult process and my 3d marks did not change.

 

I am not done testing yet, but so far I have run 12x down to 0.9875v for over 45 minutes. Darn cover almost feels clammy cold.

I set it up to 1.000v for a margin of error. So right now I am running:

SuperLMF 6x @ .9250 (tested 47 minutes)
Normal 1 6x @ .9250
... 7x @ .9625
... 8x @ .9875
... 9x @ .9875
...10x @ .9875
...11x @ .9875 (tested 34 minutes)
...12x @ .9875 (tested 46 minutes - set up to 1.000 for safty)


Main thing was that I was only seeing 1*c or sometimes even not as good with the next lower voltage at 12x

12x @ (core 0 / core 1):

1.1375v for 10 minutes 68c/71c (factory default)
1.0375v for 47 minutes 63c/68c
1.0125v for 53 minutes 64c/68c
0.9875v for 51 minutes 65c/69c (but seemed to average around 58 which was lowest so far)
0.9750v BSOD right from start

Temps obtained with HWmonitor
Stress Tests run with Orthos set for Blend Stress CPU and Ram

 

I've got:

6.0x to 7.0x 0.9250
8.0x to 11.0x 0.9375
12.0x 0.9625

stressed for 60-90 mins on each step, then 3hours at 12.0x

max temp 68,

I actually leave mine at maximal performance mode when it's plugged in, so it normally runs at 12.0x, and is very stable.

Also, i never actually got BSOD, or a shutdown/restart when stress testing.

Hope this helps

 

How did you guys get your 6x multiplier to 0.9250? My rmclock only lets me go down to 0.950.

 

I am working right now on
6x-10x = .9625V
11x = .9875V
12x = 1.0375V

High = 65
Low = 55
Been going for a little over 2 hours on orthos

 

Did not do anything special. It is just an option in all the pull downs.

 

Something I have notices with HWmonitor is that my idle temp never drops below 42 for either core, with our with out RighMark.

Now that in itself would not be wierd and i am OK with that ... BUT ... With and with out Righmark turned on (and voltages set lower) there is a marked difference in surface temp of the notebook even in idel.

This of coarse makes me smile, but makes me question the readings I get on HWmonitor. It is noticably cooler with the voltages dropped. But appearing to not be reported. It's like it is stuck at 42c for a low.

 

One other Question for all you T8300 users.

Does RightMark indicate your correct info? On the CPU info page I have

Model:
Genuine Intel(R) Core(TM) 2 Duo

CPU core ............... Unknown Core
Revision .................. Unknown

I have seen pics of RightMark testing a T9300 and it pics up the processor as Penryn no problem.

Wondering if anyone else is seeing this?

 

I am a T 9300 user.

Anyone undervolted it? Which settings should I use??

 

I use Rightmark CPU 2.35.0

Mine also says unknown for CPU core and revision? Just Core 2 Duo...

 

Jin, this guides may help you. The first one is T9300 specific:

Undervolting Penryn?

This is the general undervolting guide:

The "Undervolting" Guide

 

Good to know. I was not really concerned about it as all seemed well, just wanted to make sure I had not missed a setting or something.

 

Thanks!!! I'll take a look.

 

This is a known issue with Penryn CPUs, even some desktop models will not display idle temps below a certain value, its strange..

btw Coretemp is a more reliable app for monitoring CPU temps and it has a nice Vista Sidebar gadget too

I have a general question about undervolting my T8300 so I will put it here When using RM Clock to undervolt my CPU, What Vista Powersaving option should I use? Max performance?

Thanks!

 

Didn't want to create a new thread for this since there seems to already be one...is it normal for Core 0 and Core 1 temps to have a difference of almost 9 degrees Celsius constantly?

 

A 9c difference is not normal but its probably because 1 core is working harder than the other.

 

It's been like this since the day I took my laptop out of the box? Core 1 is always higher than Core 2

 

also, how do u see 0.925V? mine goes to 0.95 only.. i guess bios/mobo limitations ;(

lets see if i can go to 1.0V at 12x.... currently at 1.1V from 1.13, pretty stable so far...

 

I've got .9875V at 12X and .9500 for 6,7,8,9X respectively.
The idle temps for the CPU are at end 30's(RMClock) to mid 40's(HWMonitor) now depending upon the temp sensor application being used( not sure why different temps are reported by diff tools) .

 

That is because RMclock is quite outdated and they havent updated the Tjunction info for newer CPU's.

Tjunction max - Delta = Core temps

The T8300 has a Tjunction of 105c but its probably being detected as a Merom which is about 100c causing an offset.

Hwmonitor should be correct. Run CoreTemp just to make sure.

You can correct the temp offset via the RMclock_Tweaks.reg file.

 

Change it from desktop to mobile in advanced CPU settings and you will have the lower voltages available.

 

Same problem for me! have u found a solution?

 

It does not display the correct info for me, but my understanding is that it does not matter as long as you select "Mobile" yourself.

My undervolting settings:
06x 0.9500V
07x 0.9500V
08x 0.9500V
09x 0.9500V
10x 0.9500V
11x 0.9625V
12x 0.9750V [Stable for 50min with Orthos stress test]

Temperature change on 12x was approx 10C on both max temp and average temp. =)

I have also disabled of all multipliers until 10x when connected to AC power to increase response time. Wouldnt cause to much heat difference because of the same voltage usage as the previous.