Tyan has released a new bios for the Thunder K7 motherboard.
New features and Fixes :Read more
Fix error message when on board Option ROM is disabled. Modify HW monitor and add temperature control (Give warning beep when CPU reaches 72.5'C, and shutdown system when CPU reaches 90'C.). Take out Bypass option. Add option for Primary VGA selection (for dual monitor support with on board VGA.). Enable COM2 under ACPI.