![Sapphire Audio Pure Platinum A75 User Manual Download Page 25](http://html1.mh-extra.com/html/sapphire-audio/pure-platinum-a75/pure-platinum-a75_user-manual_1198820025.webp)
~ 21 ~
2-11 Dual BIOS Switch
This mainboard includes dual onboard BIOS, (Primary and Secondary BIOS),
When the primary BIOS is corrupted or has failed, you can use the secondary
BIOS to take over on the next system boot to ensure normal system operation.
To enable the secondary BIOS, please refer to the following steps:
1. Turn off the system power.
2. Change the BIOS Select jumper from “P” to “S” position.
3. Turn on the system power.
Primary BIOS
Secondary BIOS
BIOS Select Switch
(When the Secondary BIOS is in operation, the LED
indicator is on.)