https://github.com/torvalds/linux/commit/8987986b07f5dded3f81b159f5bb146f2d1a21ed https://github.com/torvalds/linux/commit/ed3b4b8772783e840d93a079b2dbdd7f9c4b3c76 Apparently bios version matters Getting SMBIOS data from sysfs. SMBIOS 3.3.0 present. Table at 0x796FA000. Handle 0x0000, DMI type 0, 26 bytes BIOS Information Vendor: Valve Version: F7A0110 Release Date: 08/20/2022 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 16 MB Characteristics: BIOS Revision: 1.10 Firmware Revision: 1.9