GIGA-BYTE TECHNOLOGY GA-Z270X-Gaming K5 User Manual

To reduce the impacts on global warming, the packaging materials of this product
are recyclable and reusable. GIGABYTE works with you to protect the environment.
For more product details, please visit GIGABYTE's website.
GA-Z270X-Gaming K5
User's Manual
Rev. 1001
12ME-Z27GMK5-1001R

GIGA-BYTE TECHNOLOGY GA-Z270X-Gaming K5 Specifications

General

Form Factor	ATX
Socket	LGA 1151
Chipset	Intel Z270
Memory Slots	4
Maximum Memory	64 GB
PCIe 3.0 x1 Slots	3
SATA 6Gb/s Ports	6
M.2 Slots	2
Audio	Realtek ALC1220
RAID Support	0, 1, 5, 10
Supported OS	Windows 10 64-bit
Memory Speed	DDR4 2400/2133 MHz
PCIe 3.0 x16 Slots	2
Multi-GPU Support	2-Way AMD CrossFire, 2-Way NVIDIA SLI
USB 3.1 Gen 2 Ports (Rear)	1 x USB Type-A, 1 x USB Type-C
LAN	Intel GbE LAN

Summary

GA-Z270X-Gaming K5 Hardware Installation

Installation Precautions and Safety

Essential safety guidelines and precautions before installing motherboard components.

Product Specifications Overview

Detailed specifications for CPU, Memory, Graphics, Audio, LAN, and Expansion Slots.

CPU Installation Procedure

Step-by-step instructions for correctly installing the CPU into the LGA1151 socket.

Memory Module Installation

Guidelines for properly installing DDR4 memory modules and dual-channel configuration.

Expansion Card Installation

Instructions for installing expansion cards into PCI Express slots.

Multi-Graphics Configuration Setup

Guide to setting up AMD CrossFireX or NVIDIA SLI for multiple graphics cards.

Back Panel Connector Guide

Explanation of all rear I/O ports, including USB, DisplayPort, HDMI, and audio jacks.

Operational Amplifier Replacement Procedure

Procedure for changing the operational amplifier IC on the motherboard.

Internal Connector Pinouts and Headers

Diagrams and pin assignments for internal headers like ATX power, CPU fan, and USB.

GA-Z270X-Gaming K5 BIOS Setup

BIOS Startup Screen and Modes

Overview of the initial BIOS logo screen and navigation between Classic and Easy modes.

M.I.T. (Memory Intelligent Tweaker) Settings

Advanced controls for CPU overclocking, memory tuning, and voltage adjustments.

System Information and BIOS Settings

Viewing system details and configuring BIOS language, date, and time.

BIOS Boot and Security Options

Managing boot order priorities, enabling secure boot, and setting passwords.

Peripherals Configuration and Control

Enabling/disabling onboard LAN, audio, and managing RGB Fusion lighting.

Chipset Feature Configuration Options

Settings for onboard graphics, DVMT memory, and audio controller.

Power Management and Wake-Up Settings

Configuring AC BACK behavior, power-on options, and system standby modes.

Save & Exit BIOS Settings

Options for saving or discarding BIOS changes, loading defaults, and boot overrides.

GA-Z270X-Gaming K5 Appendix and Advanced Features

Configuring SATA RAID Arrays

Detailed steps for setting up RAID volumes using Intel RST and EZ RAID features.

Motherboard Driver Installation Guide

Instructions for installing drivers and software from the motherboard driver disk.