Generally speaking, you can open the .bin file you get after extracting the save and change the region code with a hex editor. I’m sure there are games out there that won’t work with this, but most Wii games aren’t super different across regions.
I’m not really sure why you don’t hear it in Hekate, but I’m pretty sure it’s normal speaker noise, at least if it’s quiet. I’ve heard it on my 3DS, DS, and GBA as well.
Sorry I forgot about the subnet mask, but it looks like you figured it out. This should also work with any combo of GameCubes and PCs running Dolphin, although I’m not sure how you manually assign an IP address to the GC, except with Swiss and that new GC LAN adapter clone.
I did this back in 2019 with a crossover cable. It was kinda finicky, but it did work in the end.
Not sure exactly what your setup is like, but this is what I did:
Make sure you actually have/need a crossover cable. Nowadays I think most Ethernet adapters for other systems have automatic...
Just wanted to thank you for all your reviews on this site. You’ve shown off a lot of stuff I never would’ve found on my own 🫡
I just wanted to ask, what’s the manga you’re reading in the pictures?