Framework 16 Interposer Info

I was wondering if anyone knew any info about the pinout of the Interposer? is it PCIE based or is it proprietary to the FW16? I was planning to route the M.2 slot (full size) to one of the left module slots and then create a custom module that would allow me to connect an external GPU. The only issue is power and i was hoping i could use the interposer to get power.

The pin out is shown in the document here:
Mainboard_Interfaces_Schematic_Framework_Laptop_16_7040_Series.pdf

Its on the FW github for the Framework 16.

There is also a reference design here:

Thanks. I took a look at it and for the VSYS_GPU + it states that it ranges from 7-20V, does that mean that the dGPU board VRMs can handle these voltage fluctuations?

did… you post in the wrong thread by mistake? i’m having trouble identifying how this connects to the first post

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You’re right. Not sure how the heck I managed to do that. Post deleted. Sorry for the noise

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