Gigabyte B450M DS3H WIFI User Manual - Page 11

Dual Channel Memory Configurations Table DDR4_4 DDR4_2 2 Modules - - DS/SS DS/SS - - 4 Modules DS/SS DS/SS (SS=Single-Sided, DS=Double-Sided, "- -"=No Memory) DDR4_3 - DS/SS DS/SS DDR4_1 DS/SS - - DS/SS 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. For optimum performance, when enabling Dual Channel mode with two memory modules, we recommend that you install them in the DDR4_1 and DDR4_2 sockets. 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. 1-6 Back Panel Connectors USB 2.0/1.1 Port The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices. PS/2 Keyboard/Mouse Port Use this port to connect a PS/2 mouse or keyboard. HDMI Port The HDMI port supports HDCP 2.2 (Note) and Dolby TrueHD and DTS HD Master Audio formats. It also supports up to 192 KHz/24bit 8-channel LPCM audio output. You can use this port to connect your HDMI-supported monitor. The maximum supported resolution is 4096x2160@60 Hz , (Note) but the actual resolutions supported are dependent on the monitor being used. 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.) USB 3.1 Gen 1 Port The USB 3.1 Gen 1 port supports the USB 3.1 Gen 1 specification and is compatible to the USB 2.0 specification. Use this port for USB devices. SMA Antenna Connectors (1T1R) Use this connector to connect an antenna. Tighten the antenna cables to the antenna connectors and then move the antenna to a place where the signal is good. (Note) Actual support may vary by CPU. - 11 -