Not sure if I missed it in the announcement or not but did they say the new 5070 gpu would work with the original mainboard for this machine?
I do see they have a v2 of the original so not sure what was changed.
Yup, the 5070 module will be backwards compatible with the first series of mainboards.
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The v2 is just thermal changes (upgraded fans, thermal PTM, and some slight design change in the module case.
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Will it be possible to upgrade the first model of the 7700 s to the second model?
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Yes, go watch the live stream Q&A. He explains all that. You can buy the new fans and/or new case to upgrade your existing 7700s.
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Hefty price of a new display panel just for that Gsync capability.. Panel itself is exactly the same specs as Gen1 with one exception, firmware for Gsync. It’s (US) $279 after your $699 purchase for the 5070 if you want those sweet sweet frames 
Nvidia is also compatible with FreeSync, so switching the display only for G-Sync functionality is not necessary.
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Guess I learned something new today, I was not aware of that. Thanks @Coro_Dedd. Hope that does save folks a couple of bucks.
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Yes, replace the housing (slight changes), replace the fans (new fan design) and replace the paste with the Honeywell ptm pad. The pcb is the same.
Lookss like the new 5070 has less modularity compared to 7700S
Can anyone from Framework confirm that this is indeed the case? I know Nvidia supports VESA Adaptive Sync these days, but does it in this specific case?
If so, then what are the advantages of the Gsync panel anyway?
One thing comes to mind, vrr can reduce battery drain when refresh rate is lowered on static images, vs an always fixed rr. On the flip side, better performance (no/ reduced screen tearing) while gaming or watching videos.
Nirav said the interposer was changed to pass USB power from the GPU’s port to the mainboard. So, without new interposer & mainboard, this wouldn’t work. The question is does the card require this power connection? Is there a mechanical or pinout difference?
so he said using the same interposer but now support bidirectional power, and added a mux… so maybe the new GPU works without those features on an old mainboard
Where was that?
I watched the announcement video, scrapped behind the scenes, and Q/A stream and I didn’t hear that.
“We’ve spent the last two years working with the teams at AMD, NVIDIA, and Compal to not only make a new NVIDIA-powered Graphics Module, but also make it fully backwards compatible with the original Framework Laptop 16.”
This is from the Introducing the new Framework Laptop 16 with NVIDIA® GeForce RTX™ 5070. which mean it should work just fine with the original mainboard
“Kept that original custom interposer solution”
Sound like no change to the interposer then. Just that with the newer hardware, it can do more things. So to get the direct drive of built in display, you will need the new mainboard as it has the mux.
Not sure if the charging part is on the GPU side or has anything to do with support needed on the mainboard.
Being backwards compatible though, pretty sure there are no changes at all to the interposer.
The interposer is the same, no changes were made to the part.
Also, Nvidia graphics module has the USB-C charging capability, in theory it should be possible to install an Nvidia Graphics Module to the original Framework Laptop 16 (with 7040 series mainboard) and charge it using the USB-C port on the graphics module but I haven’t personally tried this myself yet.
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fantastic, thanks for the info!
That would be awesome if that is something the team can test and let us know.