Gigabyte Z590 AORUS MASTER User Manual - Page 23
Onboard Buttons, Switches and LEDs, BIOS Switches and BIOS LED Indicators, Status LEDs
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__ _ _B _S __ 3 S_ 1 23 S_ _S 1 B SS 1 23 1 1 23 1 1 1 B SS 1 B_ S 1 1 B_ 1 23 S_ 1 23 1 1 23 1 _ U _ 1 23 _ S3 S_ S 1 23 S_ U 1-8 O1 n2 3board Buttons, Switches and LEDs 1 BIOS Switches and BIOS LED Indicators The BIOS switch (BIOS_SW) allows users to easily select a different BIOS for boot up or overclocking, helping to reduce BIOS failure during overclocking. The SB switch allows enabling or disabling of the Dual BIOS function. 1 23 The LED indicator (MBIOS_LED/BBIOS_LED) shows which BIOS is active. 1 BIOS_SW 2 1 1: Main BIOS (Boot from the main BIOS) 2 1 2: Backup BIOS (Boot from the backup BIOS) _ S _S _ 1 23 S3 S SF B SS S B_ S S S B__S B SS S SF B SS S S B__S S S B_ B SS S SB 2 1 2 1 1: Dual BIOS 2: Single BIOS SF SF S3 _ S _S BIOS_SW SB _ 1 23 MBIOS_LED BIOS LED Indicators: BBIOS_LED 1 23 MBIOS_LED (The main BIOS is active) U BBIOS_LED (The backup BIOS is active) S_ S3 1 23 _ _ Before setting the SB switch, be sure to turn off your computer and power supply. 1 23 U __ 3 S_ _ _B __ 3 Status LEDs The status LEDs show whether the CPU, memory, graphics card, and operating system are working properly after system power-on. If the CPU/DRAM/VGA LED is on, that means the corresponding device is not working normally; if the BOOT LED is on, that means you haven't entered the operating system yet. CPU: CPU status LED DRAM: Memory status LED VGA: Graphics card status LED BOOT: Operating system status LED _ _B_ S B_ F_USB3 F B _S S_ _ B _U _ B S 1 1 _S _ 1 23 S_ _S S F_ S F_ _ B S __ S B_ F_USB3 F _ B B _S S_ _ B _U _ B S_ CPU DRAM VGA BOOT B S_ B - 23 - Hardware Installation B S_ B F _0 _F _0 F