Asus PRIME Z270-K User manual

Brand: Asus

Model: PRIME Z270-K

Category: Motherboards

Type: User manual

Motherboard

PRIME Z270-K

E11864

First Edition

September 2016

No part of this manual, including the products and software described in it, may be reproduced,

transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any

means, except documentation kept by the purchaser for backup purposes, without the express written

permission of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless

such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the

product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS

OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS

DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,

LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),

EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY

DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR

INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,

AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO

RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS

MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered trademarks or

copyrights of their respective companies, and are used only for identication or explanation and to the

owners’ benet, without intent to infringe.

Offer to Provide Source Code of Certain Software

This product contains copyrighted software that is licensed under the General Public License (“GPL”),

under the Lesser General Public License Version (“LGPL”) and/or other Free Open Source Software

Licenses. Such software in this product is distributed without any warranty to the extent permitted by the

applicable law. Copies of these licenses are included in this product.

Where the applicable license entitles you to the source code of such software and/or other additional data,

you may obtain it for a period of three years after our last shipment of the product, either

(1) for free by downloading it from http://support.asus.com/download

(2) for the cost of reproduction and shipment, which is dependent on the preferred carrier and the location

where you want to have it shipped to, by sending a request to:

ASUSTeK Computer Inc.

Legal Compliance Dept.

15 Li Te Rd.,

Beitou, Taipei 112

Taiwan

In your request please provide the name, model number and version, as stated in the About Box of the

product for which you wish to obtain the corresponding source code and your contact details so that we

can coordinate the terms and cost of shipment with you.

The source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as

the corresponding binary/object code.

This offer is valid to anyone in receipt of this information.

ASUSTeK is eager to duly provide complete source code as required under various Free Open Source

Software licenses. If however you encounter any problems in obtaining the full corresponding source

code we would be much obliged if you give us a notication to the email address [email protected], stating

the product and describing the problem (please DO NOT send large attachments such as source code

archives, etc. to this email address).

iii

Contents

Safety information ...................................................................................... iv

About this guide ......................................................................................... iv

Package contents ....................................................................................... vi

PRIME Z270-K specications summary ................................................... vi

Chapter 1: Product introduction

1.1 Before you proceed ..................................................................... 1-1

1.2 Motherboard overview ................................................................. 1-1

1.3 Central Processing Unit (CPU) ................................................. 1-10

1.4 System memory ......................................................................... 1-11

1.5 Software support ........................................................................ 1-12

Chapter 2: BIOS information

2.1 Managing and updating your BIOS ............................................ 2-1

2.2 BIOS setup program .................................................................... 2-6

2.3 My Favorites ............................................................................... 2-14

2.4 Main menu .................................................................................. 2-16

2.5 Ai Tweaker menu ........................................................................ 2-18

2.6 Advanced menu ......................................................................... 2-26

2.7 Monitor menu ............................................................................. 2-35

2.8 Boot menu .................................................................................. 2-39

2.9 Tool menu ................................................................................... 2-44

2.10 Exit menu .................................................................................... 2-46

Appendix

Notices .......................................................................................................A-1

ASUS contact information .......................................................................A-4

Safety information

Electrical safety

• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet

before relocating the system.

• When adding or removing devices to or from the system, ensure that the power cables

for the devices are unplugged before the signal cables are connected. If possible,

disconnect all power cables from the existing system before you add a device.

• Before connecting or removing signal cables from the motherboard, ensure that all power

cables are unplugged.

• Seek professional assistance before using an adapter or extension cord. These devices

could interrupt the grounding circuit.

• Ensure that your power supply is set to the correct voltage in your area. If you are not

sure about the voltage of the electrical outlet you are using, contact your local power

company.

• If the power supply is broken, do not try to x it by yourself. Contact a qualied service

technician or your retailer.

Operation safety

• Before installing the motherboard and adding components, carefully read all the manuals

that came with the package.

• Before using the product, ensure all cables are correctly connected and the power cables

are not damaged. If you detect any damage, contact your dealer immediately.

• To avoid short circuits, keep paper clips, screws, and staples away from connectors,

slots, sockets and circuitry.

• Avoid dust, humidity, and temperature extremes. Do not place the product in any area

where it may be exposed to moisture.

• Place the product on a stable surface.

• If you encounter technical problems with the product, contact a qualied service

technician or your retailer.

About this guide

This user guide contains the information you need when installing and conguring the

motherboard.

How this guide is organized

This guide contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new technology it

supports. It includes descriptions of the switches, jumpers, and connectors on the

motherboard.

• Chapter 2: BIOS information

This chapter discusses changing system settings through the BIOS Setup menus.

Detailed descriptions for the BIOS parameters are also provided.

Where to nd more information

Refer to the following sources for additional information and for product and software

updates.

1. ASUS websites

The ASUS website provides updated information on ASUS hardware and software

products. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty yers,

that may have been added by your dealer. These documents are not part of the

standard package.

Conventions used in this guide

To ensure that you perform certain tasks properly, take note of the following symbols used

throughout this manual.

DANGER/WARNING: Information to prevent injury to yourself when

completing a task.

CAUTION: Information to prevent damage to the components when

completing a task

IMPORTANT: Instructions that you MUST follow to complete a

task.

NOTE: Tips and additional information to help you complete a task.

Typography

Bold text Indicates a menu or an item to select.

Italics

Used to emphasize a word or a phrase.

<Key> Keys enclosed in the less-than and greater-than sign

means that you must press the enclosed key.

Example: <Enter> means that you must press the Enter or

Return key.

<Key1> + <Key2> + <Key3> If you must press two or more keys simultaneously, the key

names are linked with a plus sign (+).

PRIME Z270-K specications summary

(continued on the next page)

Package contents

Check your motherboard package for the following items.

Motherboard ASUS PRIME Z270-K motherboard

Cables 2 x Serial ATA 6.0 Gb/s cables

Accessories 1 x ASUS Q-Shield

2 x M.2 screws

Application DVD Support DVD

Documentation User Guide

If any of the above items is damaged or missing, contact your retailer.

Specications

CPU

LGA1151 socket for Intel® 7th/6th Generation Core™ i7 / i5 / i3, Pentium®, and

Celeron® processors

Supports Intel® 14nm CPU

Supports Intel® Turbo Boost Technology 2.0*

* The Intel® Turbo Boost Technology 2.0 support depends on the CPU types.

** Refer to www.asus.com for Intel® CPU support list.

Chipset Intel® Z270 Chipset

Memory

4 x DIMMs, max. 64GB, DDR4 3866(O.C.)*/ 3733(O.C.)*/ 3600(O.C.)*/

3466(O.C.)*/ 3400(O.C.)*/ 3333(O.C.)*/ 3300(O.C.)*/ 3200(O.C.)*/ 3000(O.C.)*/

2800(O.C.)*/ 2666(O.C.)*/ 2400(O.C.)*/ 2133 MHz, non-ECC, un-buffered

memory

Dual-channel memory architecture

Supports Intel® Extreme Memory Prole (XMP)

* The maximum memory frequency supported varies by processor.

** Refer to www.asus.com for the latest Memory QVL (Qualied Vendors List).

Expansion

slots

1 x PCI Express 3.0/2.0 x16 slot (at x16 mode)

1 x PCI Express 3.0/2.0 x16 slot (max. at x4 mode, compatible with PCIe x1, x2

and x4 devices)

2 x PCI Express 3.0/2.0 x1 slots

2 x PCI slots

Multi-GPU

Support Supports AMD® Quad-GPU CrossFireX™ Technology

Graphics

Integrated graphics processor - Intel® HD Graphics support

Multi-VGA output support: HDMI, DVI-D, RGB ports

- Supports HDMI 1.4b with maximum resolution of 4096 x 2160 @ 24Hz / 2560

x 1600@60Hz

- Supports DVI-D with maximum resolution of 1920 x 1200 @ 60Hz

- Supports RGB with maximum resolution of 1920 x 1200 @ 60Hz

Supports Intel® InTruTM 3D, Quick Sync Video, Intel® Clear Video HD Technology,

and Intel® InsiderTM

Maximum shared memory of 1024 MB (for iGPU exclusively)

Supports up to three displays simultaneously

vii

PRIME Z270-K specications summary

(continued on the next page)

Specications

Storage

Intel® Z270 Chipset with RAID 0, 1, 5, 10 and Intel Rapid Storage Technology 15

support

- 1 x M.2 Socket 3 with M Key, type 2242/2260/2280/22110 storage devices

support (both SATA & x4 PCIE mode)*

- 1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (both

SATA & x4 PCIE mode)**

- 6 x SATA 6.0 Gb/s ports (gray)

- Ready for Intel® Optane Memory***

- Supports Intel® Smart Response Technology****

* When a device in SATA mode is installed on the M.2_1 socket, SATA_1 port cannot be

used.

** When a device is installed on the M.2_2 socket, SATA_5/6 ports cannot be used.

*** Intel® Optane Technology is only supported when using 7th Generation Intel® processors.

Before using Intel® Optane memory modules, ensure that you have updated your

motherboard drivers and BIOS to the latest version from ASUS support website.

**** This function will work depending on the CPU installed.

LAN

Intel® I219-V Gigabit LAN

- Dual interconnection between the integrated Media Access Controller (MAC) and

physical layer (PHY)

Audio

Realtek® ALC887 8-channel High Denition Audio CODEC

- LED-illuminated design: Brighten up your build with the gorgeous illuminated audio

trace path

- Audio Shielding: Ensures precision analog/digital separation and greatly reduced

multi-lateral interference

- Dedicated audio PCB layers: Separate layers for left and right channels to guard the

quality of the sensitive audio signals

- Premium Japanese audio capacitors: Provide warm, natural and immersive sound

with exceptional clarity and delity

- Supports jack-detection, and front panel jack-retasking

USB

ASMedia USB 3.1 controllers

- 2 x 10Gb/s USB 3.1/3.0/2.0 port at rear panel (teal blue, Type A)

Intel® Z270 Chipset

- 1 x 5Gb/s USB Type C port (@back panel) support 3A power output

- 6 x USB 3.0/2.0 ports (4 ports @mid-board; 2 ports @ back panel, blue, Type A)

- 6 x USB 2.0/1.1 ports (4 ports @mid-board; 2 ports @ back panel)

ASUS

unique

features

ASUS 5X PROTECTION III

- ASUS SafeSlot Core - Fortied PCIe Slot prevents damage

- ASUS LANGuard - Protects against LAN surges, lightning strikes and static-

electricity discharges

- ASUS Overvoltage Protection - World-class circuit-protecting power design

- ASUS Stainless Steel Back I/O - 3X corrosion-resistance for greater durability

- ASUS DIGI+ VRM - 7 Phase digital power design

Superb Performance

M.2 onboard

- The latest transfer technologies with up to 32Gb/s data transfer speeds

ASUS Fan Xpert 4 Core

- Advanced fan and liquid controls for ultimate cooling and quietness

viii

PRIME Z270-K specications summary

Specications

ASUS

unique

features

ASUS EPU

- EPU

UEFI BIOS

- Most advanced options with fast response time

Gaming Scenario

Audio Features

- Audio that roars on the battleeld

ASUS Exclusive Features

- ASUS AI Charger

- ASUS AI Suite 3

EZ DIY

UEFI BIOS EZ Mode

- Featuring friendly graphics user interface

- ASUS O.C. Tuner

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

Q-Design

- ASUS Q-Shield

ASUS Q-DIMM

- ASUS Q-Slot

ASUS quiet

thermal

solution

Quiet Thermal Design

- ASUS Fan Xpert 4 Core

- Stylish Fanless Design: PCH heatsink and MOS heatsink solution

ASUS

Exclusive

Overclocking

Features

Precision Tweaker 2:

- vCore: Adjustable CPU Core voltage at 0.005V increment

- iGPU: Adjustable CPU Graphics voltage at 0.005V increment

- vCCIO: Adjustable Analog and Digital I/O voltage at 0.005V increment

- vCCSA: Adjustable CPU System Agent voltage at 0.1V increment

- vDRAM Bus: 160-step Memory voltage control

- vPCH: 3-step Chipset voltage control

SFS (Stepless Frequency Selection)

- BCLK/PCIE frequency tuning from 98MHz up to 538MHz at 0.1MHz increment

Overclocking Protection

- ASUS C.P.R.(CPU Parameter Recall)

(continued on the next page)

PRIME Z270-K specications summary

(continued on the next page)

Specications

Rear panel I/O

ports

1 x PS/2 keyboard/mouse combo port

1 x HDMI port

1 x DVI-D port

1 x RGB port

1 x LAN (RJ-45) port

2 x 10Gb/s USB 3.1/3.0/2.0 ports (teal blue, Type A)

1 x 5Gb/s USB Type C port

2 x USB 3.0/2.0 ports (blue, type A)

2 x USB 2.0/1.1 ports

3 x Audio jacks support 8-channel audio output*

* Use a chassis with HD audio module in the front panel to support a 8-channel audio

output.

Internal

connectors

2 x USB 3.0 / 2.0 connector support additional 4 USB 3.0 / 2.0 ports (19-pin)

2 x USB 2.0 / 1.1 connectors support additional 4 USB 2.0 / 1.1 ports

6 x SATA 6.0 Gb/s connectors (gray)

2 x M.2 Socket 3 (for M Key)

1 x 4-pin CPU Fan connector for both 3-pin (DC mode) and 4-pin (PWM mode)

CPU coolers control*

2 x 4-pin Chassis Fan connectors for 3-pin (DC mode) and 4-pin (PWM mode)

coolers control*

1 x AIO Pump Fan header

1 x Front panel audio connector (AAFP)

1 x System panel connector

1 x S/PDIF out header

1 x 24-pin EATX power connector

1 x 8-pin EATX 12V power connector

1 x COM connector

1 x Clear CMOS header

* By default, the CPU/Chassis Q-Fan control setting is set to Auto mode, which detects

the CPU and chassis fans installed and changes the control mode automatically.

BIOS features

128 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI

6.0, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning

Wizard, F6 Qfan Control, F3 My Favorites, Last Modied log, F12 PrintScreen and

ASUS DRAM SPD (Serial Presence Detect) memory information

Manageability WfM 2.0, DMI 3.0, WOL by PME, PXE

Specications are subject to change without notice.

PRIME Z270-K specications summary

Specications

Support DVD

Drivers

ASUS utilities

EZ Update

Anti-virus software (OEM version)

OS support

Windows® 10 (64-bit)

Windows® 8.1 (64-bit)*

Windows® 7 (64-bit/32-bit)*

* Windows® 8.1 64-bit and Windows® 7 32/64-bit are only supported when using 6th

Generation Intel® processors.

Form factor ATX form factor: 12.0 in. x 8.9 in. (30.5 cm x 22.6cm)

ASUS PRIME Z270-K 1-1

Product introduction

1.1 Before you proceed

Take note of the following precautions before you install motherboard components or change

any motherboard settings.

• Unplugthepowercordfromthewallsocketbeforetouchinganycomponent.

• Beforehandlingcomponents,useagroundedwriststraportouchasafelygrounded

objectorametalobject,suchasthepowersupplycase,toavoiddamagingthemdue

to static electricity.

• Beforeyouinstallorremoveanycomponent,ensurethattheATXpowersupplyis

switched off or the power cord is detached from the power supply. Failure to do so

maycauseseveredamagetothemotherboard,peripherals,orcomponents.

1.2 Motherboard overview

Unplugthepowercordbeforeinstallingorremovingthemotherboard.Failuretodosocan

cause you physical injury and damage motherboard components.

Place this

side towards

the rear of the

chassis

PRIME Z270-K

PCIEX16_1

PCIEX16_2

PCI2

PCI1

PCIEX1_2

ALC

887

PCIEX1_1

M.2_1(SOCKET3)

M.2_2(SOCKET3)

Intel

I219V

ASM

1083

ASM

1142

USB1112 USB1314

AAFP

SPDIF_OUT

CLRTC

EATXPWR

BATTERY

Super

I/O

22110

2280 2260 2242

KBMS

_USB910

DVI

VGA

22.6cm(8.9in)

DDR4 DIMM_A1 (64bit, 288-pin module)

DDR4 DIMM_A2 (64bit, 288-pin module)

DDR4 DIMM_B1 (64bit, 288-pin module)

DDR4 DIMM_B2 (64bit, 288-pin module)

SATA6G_2 SATA6G_1

LAN_USB3_56

USB3.1_E12

USB3_C7

HDMI

CHA_FAN2

CPU_FAN

AIO_PUMP FAN

CHA_FAN1

30.5cm(12in)

LGA1151

DIGI

+VRM

COM

EATX12V

USB3_12

USB3_34

Intel®

Z270

128Mb

BIOS

ASM1480

PANEL

AUDIO

SATA6G_6 SATA6G_5

SATA6G_4 SATA6G_3

LANGuard

PCIE SATA

M.2_2

IRST

X4 V V

PCIE SATA

M.2_1

IRST

X4 V V

21 3 42

85 91013 12 11

1-2 Chapter 1: Product introduction

1.2.1 Layout contents

Connectors/Jumpers/Slots/LED Page

1. ATXpowerconnectors(24-pinEATXPWR,8-pinEATX12V) 1-2

2. CPU,chassis,andAIOpumpfanfanconnectors(4-pinCPU_FAN,4-pinCHA_FAN1~2,

4-pinAIO_PUMPFAN) 1-3

3. Intel®LGA1151CPUsocket 1-3

4. DDR4DIMMslots 1-3

5. USB3.0connectors(20-1pinUSB3_12,USB3_34) 1-3

6. M.2Socket3 1-4

7. Intel®Z270SerialATA6.0Gb/sconnector(7-pinSATA6G_1~6) 1-4

8. Systempanelconnector(20-5pinPANEL) 1-4

9. ClearRTCRAM(2-pinCLRTC) 1-5

10. USB2.0connectors(10-1pinUSB1112,USB1314) 1-5

11. Serialportconnectors(10-1pinCOM) 1-5

12. Digitalaudioconnector(4-1pinSPDIF_OUT) 1-5

13. Frontpanelaudioconnector(10-1pinAAFP) 1-6

14. PCIslots 1-6

15. PCIExpress3.0/2.0x1slots 1-6

16. PCIExpress3.0/2.0x16slots 1-6

ATX power connectors (24-pin EATXPWR, 8-pin

EATX12V)

CorrectlyorienttheATXpowersupplyplugsintothese

connectorsandpushdownrmlyuntiltheconnectors

completelyt.

EATX12V

+12V DC

GND

EATXPWR

PIN 1

GND

+5 Volts

-5 Volts

GND

PSON#

GND

-12 Volts

+3 Volts

+12 Volts

+5V Standby

Power OK

GND

+5 Volts

GND

+5 Volts

GND

+3 Volts

• Forafullyconguredsystem,werecommendthatyouuseapowersupply

unit(PSU)thatcomplieswithATX12VSpecication2.0(orlaterversion)

andprovidesaminimumpowerof350W.ThisPSUtypehas24-pinand

8-pinpowerplugs.

• WerecommendthatyouuseaPSUwithhigherpoweroutputwhen

conguringasystemwithmorepower-consumingdevicesorwhenyou

intendtoinstalladditionaldevices.Thesystemmaybecomeunstableor

may not boot up if the power is inadequate.

•

Ifyouareuncertainabouttheminimumpowersupplyrequirementforyour

system,refertotheRecommendedPowerSupplyWattageCalculator

at http://support.asus.com/PowerSupplyCalculator/PSCalculator.

aspx?SLanguage=en-us for details.

ASUS PRIME Z270-K 1-3

CPU, chassis, and AIO pump fan

connectors (4-pin CPU_FAN, 4-pin

CHA_FAN1~2, 4-pin AIO_PUMP FAN)

Connect the fan cables to the fan

connectorsonthemotherboard,

ensuring that the black wire of each

cable matches the ground pin of the

connector.

AIO_PUMP PWM

AIO_PUMP IN

AIO_PUMP PWR

GND

CPU_FAN

CPU FAN PWM

CPU FAN IN

CPU FAN PWR

GND

CHA_FAN1

CHA FAN PWM

CHA FAN IN

CHA FAN PWR

GND

CHA_FAN2

GND

CHA FAN PWR

CHA FAN IN

CHA FAN PWM

AIO_PUMP FAN

Donotforgettoconnectthefancablestothefanconnectors.Insufcientair

owinsidethesystemmaydamagethemotherboardcomponents.Theseare

notjumpers!Donotplacejumpercapsonthefanconnectors!TheCPU_FAN

connectorsupportsaCPUfanofmaximum1A(12W)fanpower.

Intel® LGA1151 CPU socket

InstallIntel®LGA1151CPUintothissurfacemountLGA1151socket,whichis

designedfor7th/6thGenerationIntel®Core™i7/i5/i3,Pentium®,andCeleron®

processors.

Formoredetails,refertoCentral Processing Unit (CPU).

DDR4 DIMM slots

Install2GB,4GB,8GB,and16GBunbufferednon-ECCDDR4DIMMsintothese

DIMMsockets.

Formoredetails,refertoSystem memory

USB 3.0 connectors (20-1 pin USB3_12, USB3_34)

ConnectaUSB3.0moduletoanyoftheseconnectors

foradditionalUSB3.0frontorrearpanelports.These

connectorscomplywithUSB3.0specicationsand

providesfasterdatatransferspeedsofupto5Gbps,faster

chargingtimeforUSB-chargeabledevices,optimizedpower

efciency,andbackwardcompatibilitywithUSB2.0

USB3_12

USB3+5V

IntA_P1_SSRX-

IntA_P1_SSRX+

GND

IntA_P1_SSTX-

IntA_P1_SSTX+

GND

IntA_P1_D-

IntA_P1_D+

GND

PIN 1

USB3+5V

IntA_P2_SSRX-

IntA_P2_SSRX+

GND

IntA_P2_SSTX-

IntA_P2_SSTX+

GND

IntA_P2_D-

IntA_P2_D+

USB3_34

USB3+5V

IntA_P1_SSRX-

IntA_P1_SSRX+

GND

IntA_P1_SSTX-

IntA_P1_SSTX+

GND

IntA_P1_D-

IntA_P1_D+

GND

PIN 1

USB3+5V

IntA_P2_SSRX-

IntA_P2_SSRX+

GND

IntA_P2_SSTX-

IntA_P2_SSTX+

GND

IntA_P2_D-

IntA_P2_D+

1-4 Chapter 1: Product introduction

M.2 socket 3

These sockets allow you to install M.2(NGFF)SSDmodules.

M.2(SOCKET3)

• M.2_1socketsupportsMKeyand2242/2260/2280storagedevices.

• M.2_2socketsupportsMKeyand2242/2260/2280/22110storagedevices.

• WhenusingIntel®DesktopResponsivenesstechnologieswithPCIe/SATA

M.2device,ensuretosetuptheWindows®UEFIoperatingsystemunder

RAIDmode.

• Intel®OptaneTechnologyonlysupportedwhenusing7thGenerationIntel®

processors.BeforeusingIntel®Optanememorymodules,ensurethatyou

haveupdatedyourmotherboarddriversandBIOStothelatestversion

fromASUSsupportwebsite.

• TheM.2slotssupportdatatransferspeedupto32Gb/s.

• WhenadeviceinSATAmodeisinstalledontheM.2_1socket,SATA_1

port cannot be used.

• WhenadeviceisinstalledontheM.2_2socket,SATA_5/6portscannotbe

used.

Intel® Z270 Serial ATA 6.0Gb/s connectors (7-pin

SATA6G_1~6)

TheseconnectorsconnecttoSerialATA6.0Gb/sharddisk

drivesviaSerialATA6.0Gb/ssignalcables.

GND

RSATA_TXP

RSATA_TXN

GND

RSATA_RXN

RSATA_RXP

GND

SATA6G

System panel connector (20-5 pin F_PANEL)

Thisconnectorsupportsseveralchassis-mounted

functions.

• System power LED (4-pin PWR_LED)

 This4-pinconnectorisforthesystempowerLED.

ConnectthechassispowerLEDcabletothis

connector.ThesystempowerLEDlightsupwhen

youturnonthesystempower,andblinkswhenthe

system is in sleep mode.

PLED+

PLED-

PWRBTN#

GND

+5V

GND

Speaker

HDD_LED+

HDD_LED-

GND

RSTCON#

PLED+

PLED-

PIN 1

+PWR_LED-

SPEAKER

PANEL

+HDD_LED-

PWR_SW

RESET

* Requires an ATX power supply

• Hard disk drive activity LED (2-pin HDD_LED)

 This2-pinconnectorisfortheHDDActivityLED.ConnecttheHDDActivity

LEDcabletothisconnector.TheHDDLEDlightsuporasheswhendatais

readfromorwrittentotheHDD.

ASUS PRIME Z270-K 1-5

• System warning speaker (4-pin SPEAKER)

 This4-pinconnectorisforthechassis-mountedsystemwarningspeaker.

The speaker allows you to hear system beeps and warnings.

• ATX power button/soft-off button (2-pin PWR_SW)

This connector is for the system power button.

• Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system

reboot without turning off the system power.

Clear RTC RAM (2-pin CLRTC)

ThisheaderallowsyoutocleartheCMOSRTCRAMdataofthe

systemsetupinformationsuchasdate,time,andsystempasswords.

To erase the RTC RAM:

1. TurnOFFthecomputerandunplugthepowercord.

2. Useametalobjectsuchasascrewdrivertoshortthetwopins.

3. PlugthepowercordandturnONthecomputer.

4. Holddownthe<Del> key during the boot process and enter

BIOSsetuptore-enterdata.

CLRTC

+3V_BAT

GND

PIN 1

Ifthestepsabovedonothelp,removetheonboardbatteryandshortthe

twopinsagaintocleartheCMOSRTCRAMdata.AfterclearingtheCMOS,

reinstall the battery.

USB 2.0 connectors (10-1 pin USB1112, USB1314)

ConnectaUSBmodulecabletoanyofthese

connectors,theninstallthemoduletoaslotopeningat

thebackofthesystemchassis.TheseUSBconnectors

complywithUSB2.0specicationsandsupportsupto

480Mbpsconnectionspeed.

USB+5V

USB_P11-

USB_P11+

GND

USB+5V

USB_P12-

USB_P12+

GND

USB1112

PIN 1

USB+5V

USB_P13-

USB_P13+

GND

USB+5V

USB_P14-

USB_P14+

GND

USB1314

PIN 1

Serial port connector (10-1 pin COM)

Thisconnectorisforaserial(COM)port.Connecttheserialport

modulecabletothisconnector,theninstallthemoduletoaslot

opening at the back of the system chassis.

PIN 1

COM

DCD

TXD

GND

RTS

RXD

DTR

DSR

CTS

Digital audio connector (4-1 pin SPDIF_OUT)

ThisconnectorisforanadditionalSony/PhilipsDigitalInterface

(S/PDIF)port.ConnecttheS/PDIFOutmodulecabletothis

connector,theninstallthemoduletoaslotopeningatthebackof

the system chassis.

SPDIF_OUT

+5V

SPDIFOUT

GND

1-6 Chapter 1: Product introduction

• InsingleVGAcardmode,usethePCIe3.0x16_1slot(gray)foraPCIExpressx16

graphics card to get better performance.

• WerecommendthatyouprovidesufcientpowerwhenrunningCrossFireX™mode.

• ConnectachassisfantothemotherboardconnectorlabeledCHA_FAN1/2when

usingmultiplegraphicscardsforbetterthermalenvironment.

VGA conguration PCI Express operating mode

PCIe 3.0 x16_1 (gray) PCIe 3.0 x16_2

Single VGA/PCIe card x16(Recommendedforsingle

VGAcard) N/A

Dual VGA/PCIe cards x16 x4

Front panel audio connector (10-1 pin AAFP)

This connector is for a chassis-mounted front panel

audioI/OmodulethatsupportseitherHDAudioor

legacyAC`97audiostandard.Connectoneendofthe

frontpanelaudioI/Omodulecabletothisconnector.

AAFP

AGND

SENSE1_RETUR

SENSE2_RETUR

PORT1 L

PORT1 R

PORT2 R

SENSE_SEND

PORT2 L

HD-audio-compliant

pin definition

PIN 1

AGND

MIC2

MICPWR

Line out_R

Line out_L

Legacy AC’97

compliant definition

• Werecommendthatyouconnectahigh-denitionfrontpanelaudio

moduletothisconnectortoavailofthemotherboard’shigh-denitionaudio

capability.

• Ifyouwanttoconnectahigh-denitionfrontpanelaudiomoduleto

thisconnector,settheFrontPanelTypeitemintheBIOSsetupto[HD

Audio].IfyouwanttoconnectanAC’97frontpanelaudiomoduletothis

connector,settheitemto[AC97].Bydefault,thisconnectorissetto[HD

Audio].

PCI slots

ThePCIslotssupportcardssuchasLANcard,SCSIcard,USBcard,andother

cardsthatcomplywiththePCIspecications

PCI Express 3.0/2.0 x1 slots

ThismotherboardhastwoPCIExpress3.0/2.0x1slotsthatsupportPCIExpress

x1networkcards,SCSIcards,andothercardsthatcomplywiththePCIExpress

specications.

PCI Express 3.0/2.0 x16 slots

ThismotherboardsupportstwoPCIExpress3.0/2.0x16graphiccardsthatcomply

withthePCIExpressspecications.

ASUS PRIME Z270-K 1-7

A B C D

HDAudioController shared – – –

XHCI shared – – –

SATAController shared – – –

LANController shared – – –

PCIEx1_1 – – shared –

PCIEx1_2 – – – shared

PCIEx16_1 shared – – –

PCIEx16_2 shared – – –

M.2_1 shared – – –

M.2_2 shared – – –

AsmediaPCIEtoPCI

Controller – – shared –

AsmediaUSB3.1

Controller shared – – –

IRQ assignments for this motherboard

11 6810 7912

24 53

1. PS/2 Mouse/Keyboard combo port.ThisportconnectstoaPS/2mouseorPS/2

keyboard.

2. Video Graphics Adapter (VGA) port.This15-pinportisforaVGAmonitororother

VGA-compatibledevices.

WhenusingPCIcardsonsharedslots,ensurethatthedriverssupport“ShareIRQ”orthat

thecardsdonotneedIRQassignments.Otherwise,conictswillarisebetweenthetwoPCI

groups,makingthesystemunstableandthecardinoperable.

1.2.2 Rear panel connectors

1-8 Chapter 1: Product introduction

4. Line In port (light blue).Thisportconnectstothetape,CD,DVDplayer,orother

audio sources.

5. Line Out port (lime).Thisportconnectstoaheadphoneoraspeaker.Inthe4.1,5.1

and7.1-channelcongurations,thefunctionofthisportbecomesFrontSpeakerOut.

6. Microphone port (pink). This port connects to a microphone.

Refertotheaudiocongurationtableforthefunctionoftheaudioportsin2.1,4.1,5.1,or

7.1-channelconguration.

LAN port

Speed

LED

Activity Link

LED

Activity/Link LED Speed LED

Status Description Status Description

Off Nolink OFF 10Mbpsconnection

Orange Linked ORANGE 100Mbpsconnection

Orange

(Blinking)

Dataactivity GREEN 1Gbps connection

Orange

(Blinkingthen

steady)

Readytowake

upfromS5mode

Audio 2.1, 4.1, 5.1, or 7.1-channel conguration

Port Headset

2.1-channel 4.1-channel 5.1-channel 7.1-channel

LightBlue(Rearpanel) LineIn RearSpeakerOut RearSpeakerOut RearSpeakerOut

Lime(Rearpanel) LineOut FrontSpeakerOut FrontSpeakerOut FrontSpeakerOut

Pink(Rearpanel) MicIn MicIn Bass/Center Bass/Center

Lime(Frontpanel) - - - SideSpeakerOut

To congure a 7.1-channel audio output:

 UseachassiswithHDaudiomoduleinthefrontpaneltosupporta7.1-channelaudio

output.

7. USB 3.0 ports (blue, Type A).These9-pinUniversalSerialBus(USB)portsarefor

USB3.0devices.

• USB3.0devicescanonlybeusedfordatastorage.

• WestronglyrecommendthatyouconnectUSB3.0devicestoUSB3.0portsforfaster

andbetterperformancefromyourUSB3.0devices.

• DuetothedesignoftheIntel®200serieschipset,allUSBdevicesconnectedtothe

USB2.0andUSB3.0portsarecontrolledbythexHCIcontroller.SomelegacyUSB

devicesmustupdatetheirrmwareforbettercompatibility.

3. LAN (RJ-45) port.ThisportallowsGigabitconnectiontoaLocalAreaNetwork(LAN)

through a network hub.

LAN port LED indications

ASUS PRIME Z270-K 1-9

8. USB 3.1 ports (teal blue, Type A).These9-pinUniversalSerialBus3.1(USB3.1)

portsareforUSB3.1devices.

• DuetothelimitationofUSB3.1andUSB3.0controller,USB3.1andUSB3.0devices

canonlybeusedunderWindowsOSenvironmentandaftertheUSB3.1andUSB3.0

driverinstallation.

• WestronglyrecommendthatyouconnectUSB3.1andUSB3.0devicestoUSB3.1

andUSB3.0portsforfasterandbetterperformancefromyourUSB3.1andUSB3.0

devices.

9. HDMI port.ThisportisforaHigh-DenitionMultimediaInterface(HDMI)connector,

andisHDCPcompliantallowingplaybackofHDDVD,Blu-ray,andotherprotected

content.

10. USB 5Gb/s Type C port.This24-pinUniversalSerialBus(USB)portisforUSB(Type

C)devices.

11. DVI-D port.ThisportisforanyDVI-Dcompatibledevice.

DVI-DcannotbeconvertedtooutputfromRGBSignaltoCRTandisnotcompatiblewith

DVI-I.

12. USB 2.0 ports.These4-pinUniversalSerialBus(USB)portsareforUSB2.0/1.1

devices.

1-10 Chapter 1: Product introduction

1.3 Central Processing Unit (CPU)

ThismotherboardcomeswithasurfacemountLGA1151socket

designedforthe7th/6thGenerationIntel®Core™i7/Core™i5/

Core™i3,Pentium®andCeleron®processors.

UnplugallpowercablesbeforeinstallingtheCPU.

• EnsurethatyouinstallthecorrectCPUdesignedfortheLGA1151socketonly.DO

NOTinstallaCPUdesignedforLGA1150,LGA1155andLGA1156socketsonthe

LGA1151socket.

• Uponpurchaseofthemotherboard,ensurethatthePnPcapisonthesocketand

thesocketcontactsarenotbent.ContactyourretailerimmediatelyifthePnPcap

ismissing,orifyouseeanydamagetothePnPcap/socketcontacts/motherboard

components.

• Keepthecapafterinstallingthemotherboard.ASUSwillprocessReturnMerchandise

Authorization(RMA)requestsonlyifthemotherboardcomeswiththecaponthe

LGA1151socket.

• Theproductwarrantydoesnotcoverdamagetothesocketcontactsresultingfrom

incorrectCPUinstallation/removal,ormisplacement/loss/incorrectremovalofthePnP

cap.

Installing the CPU

ApplytheThermalInterfaceMaterialtotheCPUheatsinkandCPUbeforeyouinstallthe

heatsink and fan if necessary.

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Asus PRIME Z270-K User manual

Brand: Asus

Model: PRIME Z270-K

Category: Motherboards

Type: User manual

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Asus PRIME Z270-K User manual

Asus PRIME Z270-K User manual

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