As they analyzed the motherboard, they discovered that the "HOT" BIOS update had unlocked a previously unknown feature: a high-performance overclocking mode. The mode had pushed the motherboard to its limits, causing the strange behavior.
If "hot" refers to physical temperature, the MS-7613 BIOS allows you to check thermal readings: Monitoring: You can enter the BIOS (usually by tapping during startup) to check the CPU temperature. Hardware Warning: