Gigabyte B550 UD AC [10/44] 5 installing an expansion card

Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode.

1. Dual Channel mode cannot be enabled if only one memory module is installed.

2. When enabling Dual Channel mode with two or four memory modules, it is recommended that memory

of the same capacity, brand, speed, and chips be used.

1-5 Installing an Expansion Card

Read the following guidelines before you begin to install an expansion card:

• Make sure the motherboard supports the expansion card. Carefully read the manual that came

with your expansion card.

• Always turn off the computer and unplug the power cord from the power outlet before installing an

expansion card to prevent hardware damage.

Recommanded Dual Channel Memory Conguration:

DDR4_A1 DDR4_A2 DDR4_B1 DDR4_B2

2 Modules

- - DS/SS - - DS/SS

4 Modules DS/SS DS/SS DS/SS DS/SS

(SS=Single-Sided, DS=Double-Sided, "- -"=No Memory)

1-6 Back Panel Connectors

USB 2.0/1.1 Port

The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices.

SMA Antenna Connectors (1T1R)

Use this connector to connect an antenna.

After installing the HDMI device, make sure to set the default sound playback device to HDMI.

(The item name may differ depending on your operating system.)

Tighten the antennas to the antenna connectors and then aim the antennas correctly for better

signal reception.

DualChannelMemoryConguration

This motherboard provides four memory sockets and supports Dual Channel Technology. After the memory

is installed, the BIOS will automatically detect the specications and capacity of the memory. Enabling Dual

Channel memory mode will double the original memory bandwidth.

The four memory sockets are divided into two channels and each channel has two memory sockets as following:

Channel A: DDR4_A1, DDR4_A2

Channel B: DDR4_B1, DDR4_B2

HDMI Port

(Note 1)

The HDMI port is HDCP 2.3 compliant and supports Dolby TrueHD and DTS HD

Master Audio formats. It also supports up to 192KHz/24bit 7.1-channel LPCM audio

output. You can use this port to connect your HDMI-supported monitor. The maximum supported resolution is

4096x2160@60 Hz, but the actual resolutions supported are dependent on the monitor being used.

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