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On 1/24/2017 at 5:03 PM, PippBauda said:

Hi all. After bios modding and several attempts to unlock BCLK overclock following this guide on my HM76 chipset, i found this document:

http://www.corus.pro/pilotes/VAD/VAD517/XP/ME/1.5MB FW Bring Up Guide 8.1.0.1248 PV.pdf

It's the same can be found in the archive in the first post of the topic, but about intel series 7 chipsets.

In the last 2 pages, there is the answer: HM76, HM75 and HM70 chipset are not able to BCLK overclock.

Hope this help.

It sounds like Spread Spectrum Clocking is preventing any overclock of the BCLK. If it can be disabled, then we can overclock.

Really depends on where you're gonna use the laptop on though.

Assuming that you're using on a table then I suggest something that can be cleaned easily would be great - like the Cooler Master Notepal U1, U2, or U3.

Personally using a U2 for my Lenovo Y580, loving it ever since. Seriously those fans are easily cleaned too, and can be moved to suit a large majority of laptops.

So far, I haven't had to use a laptop cooler for my Y580, just a repaste and elevated the laptop 3" off the desk. GPU is 1300mhz/2800mhz at 1.087V and my GPU hits 75c while playing witcher 3(gona push for 1400mhz on Steady 1.1V). I think my CPU was hitting 80c, I'll have to check next time I play. I will probably go for the U2 after what you said.

Has anyone been able to do this on a y580? I would like to setup an e-GPU but I cant seem to find any info in relation to the y580.

I wonder if you could cut the brown wire on a Y580 to get rid of the fan pausing when using this. my CPU maxes out at 87c and my GPU maxes out at 75c. These temps are after a repaste and with the GPU set at 1300mhz core, stock memory (since memory OC doesnt add much performance).