Gigabyte GA-H170-Gaming 3 (rev. 1.1) [10/44] 5 installing an expansion card

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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 specication. You can connect a USB DAC to this port or use this

port for USB devices such as a USB keyboard/mouse, USB printer, USB ash drive and etc.

PS/2 Keyboard/Mouse Port

Use this port to connect a PS/2 mouse or keyboard.

D-Sub Port

The D-Sub port supports a 15-pin D-Sub connector and supports a maximum resolution of 1920x1200@60 Hz

(the actual resolutions supported depend on the monitor being used). Connect a monitor that supports D-Sub

connection to this port.

DVI-D Port

(Note)

The DVI-D port conforms to the DVI-D specication and supports a maximum resolution of 1920x1200@60 Hz

(the actual resolutions supported depend on the monitor being used). Connect a monitor that supports DVI-D

connection to this port.

(Note) The DVI-D port does not support D-Sub connection by adapter.

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 and installed in the same colored sockets.

Dual Channel Memory Congurations Table

DDR4_4 DDR4_2 DDR4_3 DDR4_1

2 Modules

- - DS/SS - - DS/SS

DS/SS - - DS/SS - -

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

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

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

Channel A: DDR4_2, DDR4_4

Channel B: DDR4_1, DDR4_3