MSI MEG Z590 UNIFY User Manual - Page 48

JBAT1: Clear CMOS (Reset BIOS) Jumper, BIOS_SW1: Multi-BIOS Switch, Resetting BIOS to default values

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JBAT1: Clear CMOS (Reset BIOS) Jumper There is CMOS memory onboard that is external powered from a battery located on the motherboard to save system configuration data. If you want to clear the system configuration, set the jumpers to clear the CMOS memory. Keep Data (default) Clear CMOS/ Reset BIOS Resetting BIOS to default values 1. Power off the computer and unplug the power cord. 2. Use a jumper cap to short JBAT1 for about 5-10 seconds. 3. Remove the jumper cap from JBAT1. 4. Plug the power cord and Power on the computer. 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. And the multi BIOS LED indicates which BIOS ROM is in operation. Red: BIOS B Multi-BIOS LED White: BIOS A (Default) BIOS_SW1 ⚠⚠Important Do not use the Multi-BIOS switch when system is booting up. 48 Overview of Components

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48
Overview of Components
JBAT1: Clear CMOS (Reset BIOS) Jumper
There is CMOS memory onboard that is external powered from a battery located on
the motherboard to save system configuration data. If you want to clear the system
configuration, set the jumpers to clear the CMOS memory.
Keep Data
(default)
Clear CMOS/
Reset BIOS
Resetting BIOS to default values
1.
Power off the computer and unplug the power cord.
2.
Use a jumper cap to short
JBAT1
for about 5-10 seconds.
3.
Remove the jumper cap from
JBAT1
.
4.
Plug the power cord and Power on the computer.
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. And the multi BIOS LED indicates which BIOS
ROM is in operation.
Red: BIOS B
White: BIOS A
(Default)
Multi-BIOS LED
BIOS_SW1
⚠
Important
Do not use the Multi-BIOS switch when system is booting up.