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Hardware Installation
Quick Buttons
The power button and reset button allow users to quickly turn on/off or reset the computer in an open-case
environment when they want to change hardware components or conduct hardware testing.
PW_SW:
Power Button
RST_SW:
Reset Button
1-8 Onboard Buttons, Switches, and LEDs
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 for enabling or disabling of the Dual BIOS
function. The LED indicator (MBIOS_LED/BBIOS_LED) shows which BIOS is active.
2: Backup BIOS (Boot from the backup BIOS)
1: Main BIOS (Boot from the main BIOS)
BIOS_SW
2: Single BIOS
1: Dual BIOS
SB
F_USB30
F_ U
B_
F_
F_
_
B
B S_
B
S B_
B
_ S
S_
_
B
_ U
_
B
S
12
3
12
3
12
3
1 2 3
1
1
1
1
B S S
S
_S
S
S
U
1
2
3
S
3
B S S
S
U
_ _
3
F_USB3 F
S
_
S
_
S
_
S F
B_
B_
F
_ 0
S
S
_ 0
F
_ F
_
_
_
_B
U
S
_S
_
S F_
B
USB 0_ B
B_
F_USB3
F_USB30 3
_
_3
U
S _
1
2
F_USB30
F_U
B_
F_
F_
_
B
BS_
B
SB_
B
_
S
S_
_
B
_U
_
B
S
12
3
1 2 3
12
3
12
3
1
1
1
1
BS
S
S
_S
S
S
U
1 2 3
S
3
BS
S
S
U
_
_
3
F_USB3F
S
_
S
_
S
_
S
F
B_
B_
F
_0
S
S
_0
F
_F
_
_
_
_B
U
S
_S
_
S
F_
B
USB0_
B
B_
F_USB3
F_USB303
_
_3
U
S_
1
2
MBIOS_LED (The main BIOS is active)
BBIOS_LED (The backup BIOS is active)
BIOS LED Indicators:
MBIOS_LED
BBIOS_LED
Always turn off your computer and unplug the power cord from the power outlet before using the
SB switch.
F_USB30
F_ U
B_
F_
F_
_
B
B S_
B
S B_
B
_ S
S_
_
B
_ U
_
B
S
12
3
12
3
12
3
1 2 3
1
1
1
1
B S S
S
_S
S
S
U
1
2
3
S
3
B S S
S
U
_ _
3
F_USB3 F
S
_
S
_
S
_
S F
B_
B_
F
_ 0
S
S
_ 0
F
_ F
_
_
_
_B
U
S
_S
_
S F_
B
USB 0_ B
B_
F_USB3
F_USB30 3
_
_3
U
S _
1
2
F_USB30
F_U
B_
F_
F_
_
B
BS_
B
SB_
B
_
S
S_
_
B
_U
_
B
S
12
3
1 2 3
12
3
12
3
1
1
1
1
BS
S
S
_S
S
S
U
1 2 3
S
3
BS
S
S
U
_
_
3
F_USB3F
S
_
S
_
S
_
S
F
B_
B_
F
_0
S
S
_0
F
_F
_
_
_
_B
U
S
_S
_
S
F_
B
USB0_
B
B_
F_USB3
F_USB303
_
_3
U
S_
1
2
SB
BIOS_SW
PW_SW
RES_SW