A Photo Guide for Pin Modding 9300/XPS and Applying AS5 to GPU - Page 74

it looks that the system starts faster and programs starting faster but I didn't make any real tests yet.

 

The performance for me is ~20% increase as I was using pentium m 2GHz before modding the laptop.. When I get modded BIOS from here to work and I will have unlocked overlocking in BIOS I will give a try to overlock it even more - now I see that the core tampratures are smaller than with pentium m 2GHz I had before !! AS5 applied but previously had the same thermal grease...

 

Noticable increase in the performace as well in my OCZ agility 3 SSD which I have for 2 weeks on this laptop - now only SATA I is the biggest barrier with SSD speed...

 

I will try with modded BIOS to run in AHCI mode as well so we will se if any more increase of berformace I will get from this 6 years old laptop ;)

 

I wonder if I get somewhare pentium m 2GHz 400 MHz bus speed if it would work as 2.5GHz 533MHz Bus speed without voltage tweaking ?

 

Regards,

Mikolaj

Respect. Take some screen shots before and after and share with us. Stretching a 400MHz bus to 533MHz can hurt the CPU Then again CPU manufacturers are known for throttling CPUs for the sake of sales.

cheers ...

Hello,

 

Please take a look at the cpu-z and core temp programs ;)

 

 

 

and look @ the temperatures!!

 

regards,

mikolaj

wow ...

Pretty cool to achieve this O/C without any VoltMod. I'm jealous! You avoid the hassle of having to keep the temperature under control... You can probably have a go at undervolting to increase battery life.

 

Regarding the 755 @FSB533, you're highly unlikely to achieve this O/C without VoltMod. I gave this a try myself, despite many reports on the matter and I ended up just like everyone: high VoltMod to be able to boot + high CPU temperature + no O/C beyond 2.53GHz, i.e. need to limit CPU multiplier to x19 via NHC or RMClock (by default the pinmod converts a 2.0GHz Dothan 755 into a 2.66GHz CPU).

 

In my opinion, such attempt is worthless when you've got the 745 @2.4GHz without VoltMod; the potential performance improvement @2.53GHz would be negligeable. I'd stick to the OC'ed 745.

Edited by i6000 - 3/26/12 at 6:27am

Thanks for the tip... maybe it is true that gaining additional 100MHz with 755@533 is not a big gain and maybe it is worthless.. I am happy with 2.4GHz now.. the sad think is that I was running for 6 years my 760 (2GHz) and did not make the change a couple of years before ; )

 

[quote]You can probably have a go at undervolting to increase battery life.[/quote] is this to be done form windows? But the main problem with power consumption in this laptop is not the CPU but the geForce go 7800GTX monster... once it is hot theere are small prbability that fans slow down even in idle mode... sometimes in winter yes.. but in the summer it is almost impossible... or maybe you know a good idea to undervolt GPU as well? I need 100% of the GPU power only when I am modelling 3d or rendering using OpenGL

 

 

PS I think that the good overclocking abilities is because the proccessor is 745A series form 2005 year and secon M570A laptop is a powerfull and stable one with 200Watts power supply

 

Mikolaj

Yes, CPU undervolting is done from Windows through tools like NHC or RMClock, which can be launched at boot time so that everything is automatic. I like RMClock and use it on my C2D laptops too.

 

There are techniques to improve GPUs cooling through careful surface sanding to subsequently increase heat dissipation, but I don't know if that is achievable on the 7800GTX. I've also read that some people managed to gain something like 5° to 10°C by introducing an extra thin layer of copper material (it has a name I can't recall right now) between GPU and heatsink.

 

I quite agree with your comment about the 745A abilities. These CPUs are stamped 2005 compared to 2003 for the non 'A' version and it's quite possible that Intel improved things a little in that time.

Edited by i6000 - 3/26/12 at 7:01am

*it's called copper shim*

cheers ...

Thanks for new tips..

I do not remeber if I have a thin layer of metal between my GPU and the cooler (cooler is made of coper  ) but I hav sth like that between CPU and cpu cooler but for sure it is not copper it is rather made of tin or orher til like metal I think it works good as it is very elastic and adjoin/cling very good to CPU ..and AS5 makes the difference as well ; )

 

I will try to play with undervolting then.. I think it is worth testing.. If I get any nice results I will inform you ;)

 

Thanks,

Mikolaj

wow!

what an awsome tools!

 

I am playing with NFC for a couple of time now...

 

I went down with power to 0.7V on 800MHz mode and it was quite stable until the fans stopped.. (29oC) after that the temperature sligtly went up and on approx 36-38oC the system rebooted.. so I raised the voltage to 0.716 and now for some time it looks stable... min temperature I achieved is 29oC

 

I undervolted also the max frequency which is 2.4GHz and I was able to go down to 1.212V and the max temp. reduced to ~~43oC from nominal 48oC but because of stability and often going form 0.7V (800MHz) to 1.212V (2.4GHz) and smaller stability I went up to 1.244V which for now looks quite stable..

 

I do not see much impact on speed using 'dynamic swithing mode' in NHC which menas for me that I will stick to this software for longer with this mode on - great stuff! and so nic silience... first time from the very beggining I have this laptop :)

 

 

 

many thanks for good advices!

Mikolaj

Mikolaj & i6000

This is what makes forum like this good

cheers ...

For OCers ....

http://www.notebookforums.com/t/239388/asetek-bring-liquid-cooling-to-overclocked-notebooks#post_3311077