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[Request] Unlock GPU Base Clock Offset limit (+135 MHz) | Lenovo M5400 (20281)
#1
Lightbulb 
Hi
I have a nice NB Lenovo M5400 (model 20281) with Phoenix UEFI BIOS J6ET58WW (2.03 ) and GeForce GT 740M (GK208M) GPU. Unfortunately, you can only change the frequency limit by editing it in BIOS, no one other software way to do this. +135 MHz in offset is really too small for a perfectly good cooling system (IMO) in M5400.
I have seen the modification only on other laptops. I hope there are people here who are not indifferent to this problem. Please mod this BIOS and increase Base Clock Offset from stock +135 MHz to +600 MHz (I know these are unrealistic values, but at least it will not be a bottleneck as it is now).

Detailed information:
NB model: M5400 (20281) by Lenovo
BIOS version: J6ET58WW (2.03), latest. Get it there: https://download.lenovo.com/ibmdl/pub/pc...et58ww.exe
GPU: nVIDIA GeForce GT 740M (GK208M) with 2GB DDR3 (Hynix) 64bit
See more on screenshots and let me know if more information is needed.

I will be very glad to help and I think it may be necessary not only for me.


Attached Files Thumbnail(s)
       
find
quote
#2
(12-02-2021, 04:02 PM)Biogent Wrote: Hi
I have a nice NB Lenovo M5400 (model 20281) with Phoenix UEFI BIOS J6ET58WW (2.03 ) and GeForce GT 740M (GK208M) GPU. Unfortunately, you can only change the frequency limit by editing it in BIOS, no one other software way to do this. +135 MHz in offset is really too small for a perfectly good cooling system (IMO) in M5400.
I have seen the modification only on other laptops. I hope there are people here who are not indifferent to this problem. Please mod this BIOS and increase Base Clock Offset from stock +135 MHz to +600 MHz (I know these are unrealistic values, but at least it will not be a bottleneck as it is now).

Detailed information:
NB model: M5400 (20281) by Lenovo
BIOS version: J6ET58WW (2.03), latest. Get it there: https://download.lenovo.com/ibmdl/pub/pc...et58ww.exe
GPU: nVIDIA GeForce GT 740M (GK208M) with 2GB DDR3 (Hynix) 64bit
See more on screenshots and let me know if more information is needed.

I will be very glad to help and I think it may be necessary not only for me.

Hello! You can post here your bios dump. Use backup tool, run them as Admin and upload the results.
find
quote
#3
Thanks for your feedback!

Had to spend a little time unpacking the exe and then I finally got to results.rar Smile
https://www.sendspace.com/file/buwgqb

P.S. I got several errors, as I understand the script went through the versions until I got to the one that the BIOS considered.
find
quote
#4
(12-03-2021, 02:24 PM)Biogent Wrote: Thanks for your feedback!

Had to spend a little time unpacking the exe and then I finally got to results.rar Smile
https://www.sendspace.com/file/buwgqb

P.S. I got several errors, as I understand the script went through the versions until I got to the one that the BIOS considered.

Your mod completed. Check your messages.
find
quote


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