Is Core X Chroma's daughterboard swappable to other PCIeX4 expansion cards?
 
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Is Core X Chroma's daughterboard swappable to other PCIeX4 expansion cards?  

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lilipeipei
(@lilipeipei)
Active Member
Joined: 4 years ago
 

Hey folks,

I just saw some other topics that Core V2's daughter board could be swapped to third party cards, even a PCIe switch.

I'm wondering if Core X Chroma's daughter board is also swappable. From the review, that seems the daughter board could be physically swapped with any PCIeX4 cards, but it's not mentioned if they works.

If that daughterboard could be swapped with third party cards would be great, as it might be a way to fix that USB connection issue of Core X Chroma.

Has anyone tried to swap that daughterboard? Thanks

MBP15 2016 configured to Radeon Pro 460 (burning a hole on table when driving my 4k monitor
Razer Core X Chroma (USB ports sucks, but it has RGB!
Radeon VII (anyone could stop these fans?


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MrCat
(@mrcat)
Eminent Member
Joined: 7 months ago
 

@lilipeipei

 

Check this thread: https://egpu.io/forums/thunderbolt-enclosures/four-pcie-slots-into-the-razer-core-v2/

Both the Core v2 and the Core X Chroma have 2 TB3 controllers, the same will apply

 

Dell Latitude 5290 2-in-1 (i7 8650u, 16GB LPDDR3) + Lenovo ThinkPad X1 Tablet 3rd Gen (i7 8550u, 16GB LPDDR3) + Razer Core X Chroma + GTX 1070 Ti


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lefuturdelavenir
(@lefuturdelavenir)
Trusted Member
Joined: 2 years ago
 

I wouldn't be surprised it would work on the Core X Chroma the same way it works on the Core V2.

Note that using a third party PCIe x4 card will not work on the Core V2. Only x1 card will work as the tail of the PCIe connector is not standard.

It could be interesting to see if Razer used the same pinout they used on the Core V2. If it's the case, my custom daughter board would work on the Core X Chroma. I have several of those custom boards on hand if someone wants to give it a try.

MacBook Pro 2017 no-touchbar; Razer Core V2; RX 570


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Evan Reed
(@evan_reed)
New Member
Joined: 3 months ago
 

@lefuturdelavenir, wow I'm kind of surprised no one else in quarantine has been bored enough to go hacking away at their egpus!

I would love to experiment with some boards on my Core X Chroma especially since there's still no solve for stable ethernet on macOS with the given hardware (just tested Asix's ax88179 v2.17 driver released in June).

What custom boards might you be willing to part with? Any chance you'd be willing to ship to US for some $/? 🙃

 

MBP15 2018 Radeon Pro Vega 20 dGPU
Razer Core X Chroma
Radeon VII


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lefuturdelavenir
(@lefuturdelavenir)
Trusted Member
Joined: 2 years ago
 

@evan_reed, I'm lucky enough to continue to work even in quarantine. Not much time left for fun stuff 🙃

I've send my (slightly modified) prototype to someone that can test it on Core X Chroma. If everything goes well, this could confirm the electric pinout. But because I don't own a Core X Chroma myself it's even more challenging to redesign the daughter board without the original one on hand.

Lets see if the electrical part is on point and then we will see.

It's a complete redesign from the custom Core v2 due to big mechanical difference but, with time, it's feasible.

If the production happen it's better to order the greater quantity to mitigate cost.

BTW, what kind of daughter board are you interested in? Tree PCIe/USB3 internal (like mine), two PCIe/USB3 and one external or tree mini PCIe internal?

MacBook Pro 2017 no-touchbar; Razer Core V2; RX 570


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