Cavendish

Like everything in AC it's all over the place. It's not in the "Update Center" tab under Settings, instead it's in the "FW & SW Download" tab of the actual Ryujin device page. Mine is not the Extreme though, so will probably be a different version to yours and probably not helpful. I did my own, happy to share but my build is orange so probably won't suit a lot of builds.

I had the same issue. I was trying to run AIDA64 without Armory Crate installed, but it seems it was required in my case, with the LCD screen switched off within Armory Crate. Even with both AC and AIDA64 installed and the LCD switched off in AC, AIDA64 was still unable to display on the LCD until I found the option to upgrade the AIO's firmware. I am now on firmware version 0108 and AIDA64 is able to display on the LCD panel. The last mystery I'm trying to solve is why AIDA64 dies after about 90 minutes, requiring an End Task and reload. I'm going through the stability options and testing them one-by-one each time, so it's a slow process. Wish there was a log somewhere that would say what the error was or what the operation AIDA64 was attempting before it bombs out.