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Radeon HD 8850M->Radeon HD 8870M

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vancostorn

Reputable
Nov 21, 2015
3
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4,510
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vancostorn

Reputable
Nov 21, 2015
3
0
4,510
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Geektrail

Prominent
Feb 15, 2017
1
0
510
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Hello there,
I have the same laptop as yours Dell 15R 5537. Could you please share with me the exact setting for OC.
Thanks.


 

Rawie_

Prominent
Jun 26, 2017
1
0
510
0


hi does this also counts for the 8870??
can i use your tutorial to oc my gpu??
thanks
 
Sep 20, 2019
1
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10
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OK, so after promises and more promises, I'll show how to OC and turn it into an 8870m :). Here we go:

1-Download and install the latest MSI Aterburner software:

http://download.msi.com/uti_exe/vga/MSIAfterburnerSetup300Beta19.zip

2-Download atiocdll.zip which contains the required libraries and MSIAfterburner.cfg (don't worry, these files are 100% clean):

https://mega.co.nz/#!2cUllKyI!jTT03nLL5-1qvXK5xr3kxfdpKyIPqjkSlKF56FEJ6lw

https://mega.co.nz/#!yFs0jLCJ!lp6WJBDy2-g6GEJmQ-sbb9-vNzmpp9C7G6IIG1tu564

3-After installing MSI afterburner, open the application and then close it. Then go to the installation folder (usually "C:\Program Files (x86)\MSI Afterburner") and then replace the MSIAfterburner.cfg file already existing there with the one I posted, you'll be asked to confirm the overwriting, accept it. Also copy the .cfg file into Profiles folder and accept overwriting if prompted.

3-Download and extract atiocdll.zip. There are two DLLs, "atipdl64.dll", which you must place in C:\Windows\System32, and "atipdlxx.dll", which you have to move to C:\Windows\SysWOW64.

4-Now go to Registry Editor (regedit from Run command) and seek this folder:


HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000


Open it, search for "EnableCrossFireAutoLink", "EnableUlps" and "EnableUlps_NA" keys and set their values as 0.

5-Reboot. When you open MSI Afterburner, you'll see that Core Clock and Memory Clock sliders are now unlocked, so is the "Max" box, so you can just directly type a numeric value instead of dragging sliders. I recommend setting 725 MHz on Core (750 also works, but it's not 100% stable, anything higer than that isn't), and 1125 MHz on Memory, these are safe clocks.

Don't worry about higher clocks, as they will lowered to 150 MHz (core) and 300 MHz (Memory) when the GPU is idle, but will revert back to higher levels when it's needed, like when gaming.

6-I really recommended installing Catalyst 14.4 WHQL modded by a guy on guru3D forums, because it increases perfomance in systems with Switchable Dynamic Graphics (Enduro) as used by Dell Inspiron 15R laptops, and also on DX9 games. I can post the link and another tutorial on how to install it in another occasion.

7-Enjoy :), any doubt you have, feel free to contact me here or via PM.
Hello, could you please re-upload the dll and config file again? These above links is currently dead
 

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