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[TUTORIAL] [4GHz+] Overclock i7 4XXXm(q/h) to i7 extreme conversion Intel Haswell CPU Microcode bug hack

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Hi, I have mod the n750jv bios to v1 using  UBU_v1_65 and OC to 3.8-4Ghz using ThrottleStop 8.40. However, once reboot the multiplier falls back to 34 and I have to set it  again using ThrotteStop again. I haven't installed XTU. Any idea to make the multiplier persistence so that I can flash back the lastest MC? Also what is v00? UBU_v1_65 only has v1 to v21. Thanks in advance!.:angel:

n750jv.JPG

Edited by ahnic

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Hi i saw this thread and decided id partake cuz i have a laptop with the same cpu i rehauled. It had a i3 but when i saw this i got a i7 4700mq 4 150$ and put it in with liquid metal 66c full load @3.6ghz all cores -90mv core. I also got a rx480 egpu im using with it and the cpu is being power limit throttled 24/7. My laptop is a toshiba satellite c55t-a5102.

 

My weakest link is cpu and i wanna adjust bclk and dump/edit bios but idk what software to use for my mobo as its a custom system and dont know what is locked down. Any advice or help will be deeply appreciated. I bought this cpu specifically 4 this thread so im dedicated balls to the wall we gun melt sum sht

Edited by chase.rowland
Also i wanna mention some interesting info, the lower the offset voltage the higher your minimum clock will be too. -150mv= 3.1-3.6 -115=3.0-3.6. -90= 2.9-3.6. Ps, bios type is insyde bios

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Guys I want to try it, I have an intel 4700MQ, is safe to do? 

 

Thnks!

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Ok guys I can do it from my bios? I have prema mod bios

 

Ty

IMG_20180321_123702678_HDR_opt.jpg

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It's interesting to see this thread.

 

My 4700MQ ES is able to clock up to 80x due to the really alpha version of microcode.

 

However, the CPU self is awful to OC. 35x @ 1.10v is already comsuming 60+ Watts.

 

Edited by showgood163

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On 2016/3/31 at 2:03 AM, tmash said:

Intel Stock microcode has a Turbo multiplier bin glitch that allows unlimited multiplier increase, I used prema's bios and removed a cpu microcode update to let the cpu run the stock glitched microcode. I will share the bios file, use it at your own responsibility and if you know what you are doing.

 

Is it possible to OC in the BIOS with this stock microcode and enter OS (WIN7 / Linux) with the latest microcode?

 

Newer microcode contains critical security fix.

On 2018/3/22 at 1:45 AM, Dexter10 said:

Ok guys I can do it from my bios? I have prema mod bios

 

Ty

IMG_20180321_123702678_HDR_opt.jpg

 

After you flashed the modded BIOS file, yes, you can OC with this BIOS.

 

I'm using prema BIOS, too.

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Works great on my y510p with 4700MQ. Bios 2.07.

 

image.thumb.png.ccd593adc626501d0e4df43357dd67bd.png

Found my sweet spot with 3.7Ghz on all cores OC and no voltage offset. Power consumption is 50W when all cores stressed.

 

I was able to achieve 4.1Ghz on 2/4 cores stressed. which is plenty useful for playing single threaded games. I could go 4.1 all cores but it would fluctuate due to power throttling.

image.thumb.png.be197bf553e823f88fa2232bef906080.png

 

As for the cooling, Liquid metal did the trick with temps staying mid 70s.

 

image.png.8fb1ec9ad325b577ecbd2da2ce60731a.png

 

 

Was able to hit 4.4Ghz with +230mV core and 0.05 Vccin. however, power throttling at 56-57W kept dropping frequencies back to 3.4Ghz so its kinda useless.

 

Anyways, ty for the guide. this is pretty much a free upgrade that matches my other 7700hq machine.

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