Installing An Expansion Card; Back Panel Connectors - Gigabyte Z490M User Manual

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
Recommanded Dual Channel Memory Configuration:
DDR4_A1
2 Modules
- -
4 Modules DS/SS
(SS=Single-Sided, DS=Double-Sided, "- -"=No Memory)
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.
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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

PS/2 Keyboard/Mouse Port
Use this port to connect a PS/2 mouse or keyboard.
USB 3.2 Gen 1 Port
The USB 3.2 Gen 1 port supports the USB 3.2 Gen 1 specification and is compatible to the USB 2.0
specification.
DVI-D Port
(Note)
The DVI-D port conforms to the DVI-D specification 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.
DisplayPort
DisplayPort delivers high quality digital imaging and audio, supporting bi-directional audio transmission.
DisplayPort can support both DPCP and HDCP 2.3 content protection mechanisms. It provides improved
visuals supporting Rec. 2020 (Wide Color Gamut) and High Dynamic Range (HDR) for Blu-ray UHD
playback. You can use this port to connect your DisplayPort-supported monitor. Note: The DisplayPort
Technology can support a maximum resolution of 4096x2304@60 Hz but the actual resolutions supported
depend on the monitor being used.
(Note) The DVI-D port does not support D-Sub connection by adapter.
• When removing the cable connected to a back panel connector, first remove the cable from your
device and then remove it from the motherboard.
• When removing the cable, pull it straight out from the connector. Do not rock it side to side to
prevent an electrical short inside the cable connector.
DDR4_A2 DDR4_B1 DDR4_B2
DS/SS - - DS/SS
DS/SS DS/SS DS/SS
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