MSI MEG Z790 ACE Manuel D'utilisation page 51

T_SEN1~2: Thermal Sensor Connector
These connectors allow you to connect the thermistor cable and use it to monitor the
temperature of the detection point.
BIOS_SW1: Multi-BIOS Switch
This motherboard has two built-in BIOS ROMs. If one is crashed, you can shift to the
other for booting by sliding the switch.
⚠
Important
∙ Do not use the Multi-BIOS switch when system is booting up.
∙ You can also use the MSI Center or Flash BIOS Button to flash BIOS. Please refer to
BIOS section for details.
Thermistor cable
GND
Sense
BIOS B
BIOS A
(Default)
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