this post was submitted on 04 Nov 2026
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https://github.com/webhdx/ETH2GC It's a little thing that does the same job as the official broadband but with a lot less bulk. And it's not prohibitively expensive.
ETH2GC uses Serial Port 2 on the GameCube though, which isn’t present in later models and is also used by the popular SD2SP2 SD card adapter.
The OEM broadband adapter uses Serial Port 1 so it has better compatibility.
I think there was a project to combine ETH2GC and SD2SP2 into a single device but I don’t know if it released.
I missed that, thanks.