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HP Elitebook 8570W - is it still good ? Hardware modifications


GuitarG

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On 9/17/2024 at 12:17 AM, panda_zzz said:

Greetings. I'm following your project, although at one time I chose dell m4800 and old alienware as platforms for experimentation).
Could you please provide a link regarding possible support for 4G Decoding and ReBar in Coreboot? Because it is a prerequisite to upgrade mxm gpu to Ampere generation.


Here you go:
https://www.phoronix.com/news/Coreboot-Resizable-BAR

ED
IT: Haswell may have problem with Coreboot because thanks to Intel (TM) Boot Guard. Your mileage may vary.

I had already tested this alternative BIOS simplifed version, and it works! Now I need to compile updated version with corrected bugs and graphical interface.

Never though I would be making my own bios hahaha!

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20 hours ago, GuitarG said:

I had already tested this alternative BIOS simplifed version, and it works! Now I need to compile updated version with corrected bugs and graphical interface.

very interesting, will look forward to hearing news of your success and following your work

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  • 4 weeks later...

Adapter for faster debuging on spare 8570w, I will make same later for main one. I plan to make mini board with dual bios, one coreboot and second will be original hp one.

I can test much faster now. Right now I can boot linux, but I have no visible BIOS and fans don't work on my compiled coreboot.

BTW, did you know different flash IC's loads time is varies? You can tell by how long it takes from power button to visible BIOS logo. Macronix is x2 faster than original winbond on my main notebook 🙂

462557185_1024424209439019_8896568274967724621_n.thumb.jpg.253f9066ccddc3c89ba93f43192fb434.jpg



On left main one vs test on right.
Both with latest updated firmware. Coreboot is even faster (but I don't have video for now)

 

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  • 2 months later...

(In professor's voice from Futurama) Bad news everyone, my 8570W lately started to malfunction. Motherboard needs to be repaired, I checked CPU and RTX GPU separately, and they are okay, but in my modded 8570w I'm getting black screen freezes when CPU uses more power. Swapping in weak CPU works, but that is not point. So hold your fingers crossed for me making my PC alive again, thanks.

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8570wa.jpg.011fa8bb4015624b541682fb30260d71.jpg

After more than five years with me, it was his time to go to notebook heaven. RIP, sweet prince.

I have spare mobo, but I won't use RTX this time, I will go back to P5000. I will do cable mod and BIOS thing, even one more DIY heatsink work. So everyone else could go my way and make his laptop better. Thank you loopster, and everyone, for support.

Someday I will mod some RTX GPU, again..

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Well, my spare 8570W suddenly doesn't work, too. It does sometimes turn on, boots into windows, but mostly it is not booting and sometimes bluescreen occurs "ACPI Error". I never had seen such problem, it seems to me I may have curse on me, because even my third laptop, clevo I used recently, have "died". Three laptops in such short notice..

Damn.

I have no other logic explanation for these issues, despite being very good at electronics and modding.. I will give myself some time to rest to come back later. After I visit some voodoo doctor..

 

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Okay, now I'm testing it, but it seems my 3940XM died. I changed CPU to something I had spare sitting in my CPU storage bin and it works, for now. I wanted to buy Legion 5 Pro for 1800$ with 4070, but I was hesitating, fortunately. I will buy 3840QM this time, 3940XM died not because of mobo or not having enough cooling, but because I bought it from Chinese shop and it had factory defect seen under some angles with direct light on it. Old board should be working, I will test it too sometime.

Nowadays throwing 6000$ won't get you same quality as back in the days. I am happy to continue my thread!

Long live the fighters ! ^_^

EDIT:
Below you can see silicon die from naked eye view and under 4x microscope. It may be uneven heatsink or CPU that didn't pass QC in factory and been sold in gray market. It had two big circles on it from start and I had feeling it could die someday.
2.thumb.jpg.a2ad71e7456ac78ff674aef018e480d2.jpg3.jpg.694ef28e0e8b72be408b4fb688ebf06e.jpg

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Not a fan of such solution (pun intended) - gaming laptops in general have a short lifecycle and finding a proprietary replacement fan will be a major PITA.

At least ASUS used to apply LM from factory so you'd never have to pull the heatsink assembly apart.

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New board, new approach. This time results satisfy me more

 

Screenshot_20250218_215723_Gallery_1.thumb.jpg.2a22ea6d9bb398b72b7d961597769e5f.jpg

Soldered two pieces of metal to original mounting points, holds very hard and screws RTX very nicely.

 

Screenshot_20250218_215730_Gallery_1.thumb.jpg.10bcf8de86e2f96f4ae35eb4c14d5416.jpg

 

Now I have to sort, dissasembly and test a lot of copper pipes. And lastly, solder whole heatsink assembly

Screenshot_20250218_221807_Gallery_1.jpg.2f8c466dfbedc216249afca33e0cd902.jpg

 

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Secret for success is to align first, then push harder second time.

Screenshot_20250301-181242_Gallery_1.thumb.jpg.2e0546eeca647ac5c414cc815fd7f886.jpg

 

After baking like this first, then its screwed harder and heatsink only for max efficiency

Screenshot_20250301-181300_Gallery_1.jpg.448bdcb5c41a647ba62e2fef8f70d418.jpg

 

Now time for final tests, touch and black paint

 

AP4VGao.jpeg

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On 3/1/2025 at 9:16 PM, GuitarG said:

Secret for success is to align first, then push harder second time.

Screenshot_20250301-181242_Gallery_1.thumb.jpg.2e0546eeca647ac5c414cc815fd7f886.jpg

 

After baking like this first, then its screwed harder and heatsink only for max efficiency

Screenshot_20250301-181300_Gallery_1.jpg.448bdcb5c41a647ba62e2fef8f70d418.jpg

 

Now time for final tests, touch and black paint

 

AP4VGao.jpeg

Great job! How are the temperatures under load? And what is that PCB doing in the corner of the heatsink?

Looking forward to see the final build fully painted!

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  • 2 weeks later...
On 3/1/2025 at 10:38 PM, Myro said:

Great job! How are the temperatures under load? And what is that PCB doing in the corner of the heatsink?

Looking forward to see the final build fully painted!

Thanks !

Still ironing heatsink out, I forgot about different thermal pads dimensions. It shame I don't have some nice CNC machine.
I played for a while and temps were up to 90C turbo CPU and GPU 70-80C depending on load. VRM or VRAM overheated once after 30 minutes, so I'm making corrections

What PCB do you have in mind ? If first photo, it is donor board+case cutted up for aligning heatsink with highest homemade precision 🙂 I use damaged CPU and GPU board, screw heatsink on and clamp heatpipes.

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On 3/10/2025 at 7:16 PM, GuitarG said:

Thanks !

Still ironing heatsink out, I forgot about different thermal pads dimensions. It shame I don't have some nice CNC machine.
I played for a while and temps were up to 90C turbo CPU and GPU 70-80C depending on load. VRM or VRAM overheated once after 30 minutes, so I'm making corrections

What PCB do you have in mind ? If first photo, it is donor board+case cutted up for aligning heatsink with highest homemade precision 🙂 I use damaged CPU and GPU board, screw heatsink on and clamp heatpipes.


What corrections are you referring to?

In my opinion, the most suitable solution would have been a custom-made heatsink, preferably copper. However, the biggest downside is that obtaining one is much more challenging.

 

As for using the pieces of the donor board, that’s impressive! I never thought of that 🧐

 

I look forward to new updates from you)

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