Clevo P870KM1-G upgrade -› 144hz gsync display / TM1 CPU heatsink+4th fan / 2080RTX+vaporchamber

Discussion in 'Sager and Clevo' started by matyee, Dec 8, 2019.

  1. matyee

    matyee Notebook Evangelist

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    As I have collected many info about the upgrade, I have decided to write a short sum up to share my experiences about it, if anyone is willing to do the same.

    "Count to four. Inhale. Count to four. Exhale." - BJ Blazkowicz

    The baseline that I have bough a EVOC/Clevo P870km1-g machine with a vapor chamber (looks like a VC TM1 version for me). I have managed to buy a 2080rtx as well, so I have planned to upgrade the 870 with the 2080rtx. As I am not an engineer guy, I have asked a guy who is a professional engineer to do hard job, I was bringing the solutions and ideas :) Majority of them were received here, so thanks a lot for the help of this great community!

    Service unit :)

    [​IMG]

    1. Panel
    In order to have a correct gaming panel I have bought an AUO BTNHAN03.2 144hz IPS panel, which seems to be the standard panel for clevos. I have checked the forums, many ppl said it worked with gsync. So we changed the cable (30pin to 40pin) replaced the panel, and worked like charm. With cable it is a 100EUR investment roughly. Later on I will test the AUO 1440p 120hz panel and the ChiMei 120hz TN panel with the 2080rtx whether the gsync works

    2. TM1 CPU heatsink
    I have also talked to many ppl, I was told that the KM1 heatsink’s cooling capabilities are limited. Previously I have flatten it as much as possible, it was ok, but what I have realized that it is good upto 4,5Ghz with a 8700/8700k cpu. I have also deciced to buy the TM1 cpu heatsink modul (bought from clevo-computer) and do the upgrade. It was quite expensive 120EUR with shipping.

    I have followed the following guide found in previous threads

    Step1: First we had to disassembled the whole machine and the motherboard was taken out.

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    Step2: After the socket was removed, we had to remove the backplace with heatgun as it was glued there like hell.

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    Step3: You need to cut the case with Dremel in order to create enough space for the second heatsink TM1’s cpu heatsink. We have also polished it and painted with black alcohol pen to black. In this way behind the cover bars it looks almost original :)

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    Step4: From the backplace we cut 5mm. Actually it means, you need to cut the full size od the pegs from the place. You should not worry if it is not 5mm perfectly, as the pegs fits underneath to the motherboard, so the panel is wide enough the equalize them. We used Dremel, which got pretty hot after each cut, so it needed 15-20 minutes to finish all of them.

    [​IMG]

    Step5: As the TM1's cpu fan has pwn, you need to rewire for km1 3 pins. After it [​IMG] you are good to go, so the whole machine can be assembled back.

    3. 4th fan

    I have bought "SEPA RADIAL FAN, 60MM, 5VDC, 78L/MIN, 28DBA" from ebay, thx for the tip for JC_denton. As I have the km1, I have planned to have 5V from the sata port. I tested the fan on 3,3V and on 5V, but on 5V it was a little big loud, so I have decided to connect to 3,3V, which seemed to have enough airflow with very silent operation. We have also soldered a small peg on the top of the cpu heatsink, so the fan is screwed with 2 bolt on the top of the heatsink securing its position perfectly.

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    4. Vapor chamber mod to 2080RTX
    Actually I though it would be harder, and I wanted to be 100% sure that the km1 works with the 2080rtx flawlessy prior modding the heatsink.

    Step1: we cut one small part of the ram cooler which was soldered to the VC with dremel, which gives the necessary layout for the 2080. I have used rainer124 thread as reference. You need to have very stable hands not to saw off the heatpipe.

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    Step2: instead of using other copper parts we soldered this part to the opposite site (with bismuth), so it “almost” original.

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    Step3: with Dremel we polished a small hole for the coil, which is approx. 1mm taller than the ram, so it needs to be carved in the copper. Unfortunately I have forgotten to take pictures, but when I disassemble the machine I will take some photos and update the thread.

    Step4: putting back the gap pads and you are good to go.

    5. BIOS
    I used the stock bios on the km1, however under win10 the nvidia driver did not detect the 2080rtx card. In device manager I had also some pcie driver issue. With the usual nvidia inf mod, the driver can be installed though. I have flashed the 1.07.15 sdanke bios found in the thread just to try, and with that one it was working fine. I have also tried stock and dsanke 1.07.16 bios but win10 did not detect the card with neither one. All in all I went back to 1.07.15 dsanke bios as it works well, and win10 does not require any inf mod.

    6. VBIOS
    After the successful installation I have replace the original 150W vbios with 190W vbios, which worked fine. After I looking back I think after the first successful boot we changed the vbios, which could also cause the drive incompatibility issue. Anyways, it works flawlessly with the 1.07.15 bios.

    In nutshell this was the whole story, the whole process took 6-7 hours, however we spent almost 2 hours figure out why the 2080rtx was not recognized by nvidia driver. The win10 update was also almost an hour :) I am still in the phase figuring out the sweet potato settings for the machine, as the 9900kf seems to be an average joe chip, I do not expect to much from it, 4,5-4,6ghz with ok temps would be fine for me. On the gpu I could add +110mhz on the core and +450mhz on mems.

    Big shoutout to: @Prema @jc_denton @Mr. Fox @Papusan @DaMafiaGamer @snowy88 @rainer124 @bennyg @Erick182 @dsanke @Rahego
     
    Last edited: Dec 8, 2019
  2. jc_denton

    jc_denton P870TM1-SKYLINE

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    Amazing work! You can see that a lot of care was put into this project. :)
     
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  3. joluke

    joluke Notebook Deity

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    Can you host the photos in imgur.com ?

    Edit: My malwarebytes premium was blocking the domain "cloudfront.net" for some reason..

    Good job with the upgrade! Loved it
     
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  4. Dr. AMK

    Dr. AMK Living with Hope

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    Nice work, big efforts,,,, well done.
     
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  5. qon

    qon Notebook Enthusiast

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    Extremely nice work and pictures!

    I am quite jealous.
    Was thinking about going for a p870 as well, but now I am just plugging a 9900ks into my p775. If I am not satisfied with that, I will study this post in more detail!

    Just curious about the 190W bios for the 2080. Do you see any issues? Some people have reported even lower clocks in certain situations.
     
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  6. tps3443

    tps3443 Notebook Deity

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    I am also curious on which bios you are running on the RTX2080.
     
  7. DRevan

    DRevan Notebook Virtuoso

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    Now I know why this took until 4AM to finish :)

    Still waiting for that Fire Strike temp to see CPU stability and temps ;)
     
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  8. matyee

    matyee Notebook Evangelist

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    Then check my posts from yesterday on ph gaming laptop forum ( it was dedicated to you btw) ;)
     
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  9. jc_denton

    jc_denton P870TM1-SKYLINE

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    cope123abc and joluke like this.
  10. matyee

    matyee Notebook Evangelist

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    jc_denton likes this.
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