ASROCK B550M-C R2.0 User Manual

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B550M-C R2.0
2.5 Jumpers Setup
e illustration shows how jumpers are setup. When the jumper cap is placed on
the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is
“Open”.
Clear CMOS Jumper
(see p.7, No. 21)
Short: Clear CMOS
Open: Default
CLRCMOS1 allows you to clear the data in CMOS. To clear and reset the system
parameters to default setup, please turn o the computer and unplug the power
cord from the power supply. Aer waiting for 15 seconds, use a jumper cap to
short the pins on CLRCMOS1 for 5 seconds. However, please do not clear the
CMOS right aer you update the BIOS. If you need to clear the CMOS when you
just nish updating the BIOS, you must boot up the system rst, and then shut it
down before you do the clear-CMOS action. Please be noted that the password,
date, time, and user default prole will be cleared only if the CMOS battery is
removed. Please remember to remove the jumper cap aer clearing the CMOS.
2-pin Jumper

ASROCK B550M-C R2.0 Specifications

General

Form Factor	Micro ATX
Chipset	AMD B550
Socket	AM4
Max Memory	128GB
Memory Speed	DDR4 4733+(OC)
PCIe x16 Slots	1
USB 3.2 Gen1 (Rear)	4
USB 2.0 (Rear)	2
USB 3.2 Gen1 (Front)	2
USB 2.0 (Front)	2
RAID Support	RAID 0, 1, 10
Memory Slots	4
PCIe x1 Slots	1
Storage Interface	6 x SATA3
M.2 Slots	1
LAN	Realtek RTL8111H
Audio	7.1 CH HD Audio (Realtek ALC897 Audio Codec)