NCA-4020 User Manual
135
Addressing BIOS Start-up Failure with Dual BIOS
Few things can shut down a computer as completely as a corrupted BIOS. With Dual BIOS feature, you will
be guaranteed to enter a healthy OS to perform thorough troubleshooting before the situation is
irreparable.
How Dual BIOS Works
Dual BIOS features two physical BIOS ROMs soldered onto the motherboard, carrying two separate BIOS
images. The Primary BIOS carries the image for system bootup, the parameters of which can be overwritten,
while the Recovery BIOS carries the image locked to the factory default, which guarantees a safe and
successful system bootup. If the Primary BIOS is not functioning correctly and fails to respond within 7
minutes, the system will invoke a bootup from the Recovery BIOS, automatically restart the system and
launch the operating system.
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