Developer79

Hi everyone, Unfortunately, the mod requested by DJDan is very complex. It also requires a good understanding of the P870xx series architecture. Nevertheless, Rainer is right, and I agree with him. Everyone wants extensions and modifications without realizing how much time, work, and money it all costs! My GFX extension for the two MXM ports (MXM board) automatically supports x16 lanes. That would be the easiest way to implement 16-lane support on the P870xx. But then you can also install the latest graphics cards—provided they fit geometrically—from practically all current manufacturers like Nvidia, AMD, and Intel. I think that’s quite something. I’m currently developing the internal flex PCBs for the display and external display. I’d like to extend my thanks once again to Darius. He was the only one who provided me with the RTX 5070 Ti for the project! Thanks also to everyone in the forum for all the support for my projects! And Rainer has also played a huge role in my projects and their practical implementation. That was very important for the further insights and next versions of my boards!!! Greetz Developer79

I'm still working on developing the cables! I'll be able to tell you more in two weeks.

The CPU uses lanes—16 directly in the case of the 9900KS variant! Newer models use more. Additionally, the chipset generates even more lanes. This depends on the DMI speed. As mentioned, newer chipsets offer more lanes. The P870xx uses the same number of lanes for almost all model variants. In my opinion, the P870xx has enough lanes 🙂

Hi, I think only later Intel chipsets, starting around the 700–900 series, support more than 16 lanes!!! The older Z370 and earlier models only support 16 lanes. A manufacturer like Clevo could have included automatic detection, but they didn’t. In any case, my board supports the full 16 lanes...which is probably what most people here want 🙂

In the picture, you can see how the two ports are configured. These ports transmit the DisplayPort signal from the desktop graphics cards to the internal display and an external DisplayPort! Unfortunately, this was the only signal configuration possible because the MXM board could only handle that much! With the cables connecting the desktop graphics card to my board, full integration of the desktop graphics card into the P870xx series is possible!!!

For example, I use an Nvidia A400 at work. You could install that as well. Or Intel Arc cards. Depending on the available power, you can install many different cards. So all the major manufacturers—Nvidia, AMD, or Intel... The power target shouldn't be too high. Over 500W. But I think it’s clear to everyone that 500W is excessive for a laptop! 300–400W is more than enough to outperform today’s latest gaming laptops 🙂

That's right—that's how it's all set up. This allows you to use the laptop's existing cables, so you don't have to worry about that.... It might be hard to see from above, but there are two rows. That means, depending on the GPU's performance level, you can connect two cables and utilize the full GPU power of the P870xx—up to 450W!

No, these are just the latest parts and versions! I'm still working on the cables, etc.

My latest boards for second CPU control for all P870xx models!

My newest sets: MXM- and Powerboard

Since I do everything myself and currently have less time, everything is taking a little longer. I would like to have the cables ready by the end of the month. Everything else is still in progress. As I said, I'm not a big company with a huge budget. I develop as I have money and time.

Yes, I developed everything with my CAD programs! It's not all finished yet, but yes, that's how I develop!

I would say I'm taking it step by step! Right now, I'm developing the cables with Flex-PCB!

Take a look at the pictures to see what the RTX5070Ti desktop looks like in the P870xx. Then you'll know that my solution of using two different graphics cards, MXM and a normal desktop card, won't work!!!! It's either one or the other!!!

However, the standard MXM specification is acceptable, but the Clevo format is not compatible. Only other manufacturers are compatible, but the question then arises as to how compatible the pins are with the motherboard.