Intel Arc B580 tested with SteamOS 3.9, direct boot works but XMX does not
© ETA Prime Intel Arc B580 can now run Valve’s SteamOS without the installation workaround previously required for Intel’s discrete GPU. ETA Prime tested the Battlemage card using the SteamOS Main branch version 3.9 , and was able to boot directly into the operating system with the B580 installed.
The SteamOS 3.9 build shown in the test comes from Valve’s Main development


