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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.

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MSI MAG B550M MORTAR WIFI Specifications

General

Form Factor	Micro ATX
Chipset	AMD B550
Socket	AM4
Memory Slots	4 x DIMM
Max Memory	128 GB
Audio	Realtek ALC1200 Codec
RGB Support	Mystic Light RGB
Memory Speed	Up to 4400 MHz (OC)
Storage Interface	6 x SATA 6Gb/s
USB Ports	1 x USB 3.2 Gen 2 Type-C, 1 x USB 3.2 Gen 2 Type-A, 2 x USB 2.0
Networking	Realtek RTL8125B 2.5G LAN
LAN	2.5Gbps
Wi-Fi	Wi-Fi 6 AX200
PCIe Slots	1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16 (x4 mode), 1 x PCIe 3.0 x1