ROG |
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Motherboard |
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MAXIMUS |
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XII EXTREME |
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E16470
Revised Edition V2
March 2020
Copyright © 2020 ASUSTeK COMPUTER INC. All Rights Reserved.
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, modified or altered, unless such repair, modification 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 identification or explanation and to the owners’ benefit, 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 https://www.asus.com/support/
or
(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.
1F., No. 15, Lide Rd.,
Beitou Dist., Taipei City 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 notification to the email address gpl@asus.com, stating the product and describing the problem (please DO NOT send large attachments such as source code archives, etc. to this email address).
ii
Contents
Safety information....................................................................................................... |
v |
About this guide.......................................................................................................... |
vi |
ROG MAXIMUS XII EXTREME specifications summary......................................... |
vii |
Connectors with shared bandwidth......................................................................... |
xii |
Package contents..................................................................................................... |
xiv |
Installation tools and components........................................................................... |
xv |
Chapter 1: |
Product Introduction |
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1.1 |
Before you proceed.................................................................................... |
1-1 |
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1.2 |
Motherboard layout.................................................................................... |
1-2 |
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Chapter 2: |
Basic Installation |
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2.1 |
Building your PC system........................................................................... |
2-1 |
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2.1.1 |
CPU installation........................................................................... |
2-1 |
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2.1.2 |
Cooling system installation.......................................................... |
2-3 |
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2.1.3 |
DIMM installation......................................................................... |
2-5 |
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2.1.4 |
M.2 installation............................................................................. |
2-6 |
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2.1.5 |
Additional cooling kit installation.................................................. |
2-8 |
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2.1.6 |
Motherboard installation.............................................................. |
2-9 |
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2.1.7 |
ATX power connection............................................................... |
2-10 |
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2.1.8 |
SATA device connection............................................................ |
2-11 |
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2.1.9 |
Front I/O connector.................................................................... |
2-12 |
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2.1.10 |
Expansion card installation........................................................ |
2-13 |
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2.1.11 |
DIMM.2 installation.................................................................... |
2-16 |
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2.1.12 |
Wi-Fi antenna installation.......................................................... |
2-18 |
2.2 |
BIOS update utility.................................................................................... |
2-19 |
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2.3 |
Motherboard rear and audio connections.............................................. |
2-21 |
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2.3.1 |
Rear I/O connection................................................................... |
2-21 |
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2.3.2 |
Audio I/O connections................................................................ |
2-23 |
2.4 |
Starting up for the first time.................................................................... |
2-25 |
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2.5 |
Turning off the computer......................................................................... |
2-25 |
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Chapter 3: |
BIOS and RAID Support |
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3.1 |
Knowing BIOS............................................................................................. |
3-1 |
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3.2 |
BIOS setup program................................................................................... |
3-2 |
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3.3 |
EZ Update.................................................................................................... |
3-2 |
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3.4 |
ASUS EZ Flash 3......................................................................................... |
3-3 |
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3.5 |
ASUS CrashFree BIOS 3............................................................................ |
3-4 |
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3.6 |
RAID configurations................................................................................... |
3-5 |
iii
Appendix
Q-Code table............................................................................................................. |
A-1 |
Notices ..................................................................................................................... |
A-5 |
ASUS contact information.................................................................................... |
A-12 |
iv
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 fix it by yourself. Contact a qualified service technician or your retailer.
Operation safety
•Before installing the motherboard and adding devices on it, 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 become wet.
•Place the product on a stable surface.
•If you encounter technical problems with the product, contact a qualified service technician or your retailer.
•Your motherboard should only be used in environments with ambient temperatures between 0°C and 40°C.
v
This user guide contains the information you need when installing and configuring 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 description of the switches, jumpers, and connectors on the motherboard.
•Chapter 2: Basic Installation
This chapter lists the hardware setup procedures that you have to perform when installing system components.
•Chapter 3: BIOS and RAID Support
This chapter tells how to boot into the BIOS, upgrade BIOS using the EZ Flash Utility and support on RAID.
Where to find more information
Refer to the following sources for additional information and for product and software updates.
1.ASUS website
The ASUS website (www.asus.com) provides updated information on ASUS hardware and software products.
2.Optional documentation
Your product package may include optional documentation, such as warranty flyers, 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.
CAUTION: Information to prevent damage to the components and injuries to yourself when trying to complete a task.
IMPORTANT: Instructions that you MUST follow to complete a task.
NOTE: Tips and additional information to help you complete a task.
vi
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Intel® Socket LGA1200 for 10th Gen Intel® Core™, Pentium® Gold and |
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Celeron® processors* |
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Supports Intel® 14 nm CPU |
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CPU |
Supports Intel ® Turbo Boost Technology 2.0 and Intel® Turbo Boost Max |
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Technology 3.0** |
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* Refer to www.asus.com for CPU support list. |
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** Intel® Turbo Boost Max Technology 3.0 support depends on the CPU types. |
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Chipset |
Intel® Z490 Chipset |
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4 x DIMM, Max. 128GB, DDR4 4700+(O.C.) / 4600(O.C.) / 4500(O.C.) / |
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4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / |
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3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / |
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3200(O.C.) / 3000(O.C.) / 2933(O.C.) / 2800(O.C.) / 2666 / 2400 / |
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2133 MHz Non-ECC, Un-buffered Memory* |
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Memory |
Dual Channel Memory Architecture |
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Supports Intel® Extreme Memory Profile (XMP) |
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OptiMem III |
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* 10th Gen Intel® Core™ i9/i7 CPUs support 2933/2800/2666/2400/2133 natively. |
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Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). |
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Intel® 10th Gen Processors |
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2 x PCIe 3.0 x16 slots (support x16 or x8/x8 modes) |
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Expansion Slots |
Intel® Z490 Chipset |
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1 x PCIe 3.0 x4 slot* |
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* PCIEx4 slot shares bandwidth with SATA6G_56 and PCIEx4 slot is default |
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set at x2 mode. |
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Multi-GPU support |
Supports NVIDIA 2-Way SLI® Technology |
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Supports AMD 3-Way CrossFireX™ Technology |
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Total supports 4 x M.2 slots and 8 x SATA 6Gb/s ports |
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Intel® 10th Gen Processors |
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DIMM.2_1 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 |
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(supports PCIe 3.0 x4 mode)* |
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DIMM.2_2 slot (Key M) via ROG DIMM.2, type 2242/2260/2280/22110 |
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(supports PCIe 3.0 x4 mode)* |
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Intel® Z490 Chipset |
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Storage |
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA |
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modes)** |
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M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 mode) |
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8 x SATA 6Gb/s ports |
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Intel® Rapid Storage Technology supports Raid 0,1,5,10 |
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Intel® Optane™ Memory Ready |
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* The DIMM.2 Slots are disabled by default. Please adjust BIOS settings to |
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enable DIMM.2 Slots. |
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** When M.2_1 is operating in SATA mode, SATA6G_2 will be disabled. |
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1 x Marvell® AQtion AQC107 10Gb Ethernet |
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Ethernet |
1 x Intel® I225-V Ethernet |
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ASUS LANGuard |
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(continued on the next page) |
vii
ROG MAXIMUS XII EXTREME specifications summary
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Intel® Wi-Fi 6 AX201 |
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2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO |
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Supports up to 2.4Gbps max data rate |
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Wireless & Bluetooth |
Supports 2.4/5GHz Dual-Band |
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Supports channel bandwidth: HT20/HT40/HT80/HT160 |
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Supports CNVI interface |
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Bluetooth v5.1* |
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* BT 5.1 function will be ready in Windows 10 build 19041 or later. |
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Rear USB (Total 12 ports) |
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1 x USB 3.2 Gen 2x2 port (1 x USB Type-C®) |
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3 x USB 3.2 Gen 2 ports (2 x Type-A + 1 x USB Type-C®) |
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6 x USB 3.2 Gen 1 ports (6 x Type-A) |
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USB |
2 x USB 2.0 ports (2 x Type-A) |
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Front USB (Total 10 ports) |
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2 x USB 3.2 Gen 2 front panel connectors (supports USB Type-C®) |
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2 x USB 3.2 Gen 1 headers supports additional 4 USB 3.2 Gen 1 ports |
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2 x USB 2.0 headers support additional 4 USB 2.0 ports |
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ROG SupremeFX 8-Channel High Definition Audio CODEC S1220 |
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- Impedance sense for front and rear headphone outputs |
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- Jack-detection, Multi-streaming, Front Panel Jack-retasking |
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- High quality 120 dB SNR stereo playback output and 113 dB SNR |
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recording input |
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- Supports up to 32-Bit/192kHz playback* |
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Audio Features: |
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Audio |
- SupremeFX Shielding Technology |
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- ESS™ ES9023 DAC + RC4580 OP AMP |
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- LED-illuminated audio jacks |
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- Rear optical S/PDIF out port |
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- Premium Japanese audio capacitors |
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- Audio cover |
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* Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for |
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8-Channel audio. |
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1 x USB 3.2 Gen 2x2 port (1 x USB Type-C®) |
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3 x USB 3.2 Gen 2 ports (2 x Type-A + 1 x USB Type-C®) |
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6 x USB 3.2 Gen 1 ports (6 x Type-A) |
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2 x USB 2.0 ports (2 x Type-A) |
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1 x ASUS Wi-Fi Module |
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Back Panel I/O Ports |
1 x Intel® I225-V Ethernet port |
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1 x Marvell® AQtion AQC107 10Gb Ethernet port |
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5 x LED-illuminated audio jacks |
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1 x Optical S/PDIF out port |
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1 x BIOS FlashBack™ button |
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1 x Clear CMOS button |
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(continued on the next page) |
viii
ROG MAXIMUS XII EXTREME specifications summary
Fan and cooling related
1 x 4-Pin CPU Fan header
1 x 4-Pin CPU OPT Fan header
2 x 4-Pin Chassis Fan headers
8 x 4-Pin Radiator Fan headers
2 x W_PUMP+ headers
1 x WB_SENSOR header
1 x 2-pin Water In header
1 x 2-pin Water Out header
1 x 3-pin Water Flow header
1 x NODE header
Power related
1 x 24-pin Main Power connector
2 x 8-pin +12V Power connectors
1 x 4-Pin EZ_PLUG connector
Storage related
2 x M.2 slots (Key M)
1 x DIMM.2 slot supports 2 x M.2 slots (Key M) 8 x SATA 6Gb/s ports
Internal I/O connectors
USB
2 x USB 3.2 Gen 2 front panel connectors support USB Type-C®
2 x USB 3.2 Gen 1 headers support additional 4 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports
Miscellaneous
2 x AURA Addressable Gen 2 headers
2 x AURA RGB headers
1 x BIOS Switch button
1 x FlexKey button
1 x Front Panel Audio header (AAFP)
1 x LN2 Mode jumper
8 x ProbeIt Measurement Points
1 x ReTry button
2 x RSVD switch
1 x Safe Boot button
1 x Slow Mode switch
1 x Speaker header
1 x Start button
1 x 10-1 Pin System Panel header
1 x Thermal Sensor header
1 x Thunderbolt header
(continued on the next page)
ix
ROG MAXIMUS XII EXTREME specifications summary
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ROG Extreme OC kit |
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- EZ PLUG |
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- FlexKey button |
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- LN2 Mode |
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- Probelt |
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- ReTry button |
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- Safe boot button |
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- Start button |
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- Slow Mode |
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Extreme Engine Digi+ |
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- 10K Black Metallic Capacitors |
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- Infineon TDA21490 Power Stage |
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- MicroFine Alloy Choke |
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ASUS Q-Design |
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- ASUS Q-Code |
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- ASUS Q-Connector |
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Special Features |
- ASUS Q-DIMM |
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- ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device |
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[yellow green]) |
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- ASUS Q-Slot |
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ASUS Thermal Solution |
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- Aluminum M.2 heatsink cover |
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- Steel backplate |
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ASUS EZ DIY |
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- BIOS Flashback™ button |
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- Clear CMOS button |
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- Procool II |
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- Pre-mounted I/O shield |
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- SafeSlot |
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AURA Sync |
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- ROG Aura sync backplate |
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- Standard RGB headers |
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- Addressable Gen 2 RGB headers |
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LiveDash OLED 2” |
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(continued on the next page) |
x
ROG MAXIMUS XII EXTREME specifications summary
ROG Exclusive Software
- Mem Tweakit
- RAMCache III
- ROG CPU-Z
- GameFirst VI
- Sonic Studio III + Sonic Studio Virtual Mixer - Sonic Radar III
- DTS® Sound Unbound - Overwolf
- BullGuard Internet Security (1-year full version)
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ASUS Exclusive Software |
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Armoury Crate |
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- Aura Creator |
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- Aura Sync |
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- OLED Display |
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Software Features |
AI Suite 3 |
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- 5-Way Optimization with AI Overclocking |
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TPU |
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EPU |
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Digi+ Power Control |
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Fan Xpert 4 |
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Turbo app |
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- EZ update |
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AI Charger |
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WinRAR |
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UEFI BIOS |
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AI Overclocking Guide |
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ASUS EZ DIY |
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- ASUS CrashFree BIOS 3 |
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- ASUS EZ Flash 3 |
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- ASUS UEFI BIOS EZ Mode |
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FlexKey |
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BIOS |
2 x 256 Mb Flash ROM, UEFI AMI BIOS |
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Manageability |
WOL by PME, PXE |
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Operating System |
Windows® 10 - 64 bit |
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Form Factor |
EATX Form Factor |
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12 inch x 10.9 inch ( 30.5 cm x 27.7 cm) |
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Specifications are subject to change without notice. Please refer to the ASUS website for the latest specifications.
xi
A |
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Configuration |
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PCIEX16_1 |
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x16 |
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x8 |
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x8 |
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x8 |
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A |
PCIEX16_2 |
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DIMM.2_1 |
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DIMM.2_2 |
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x4 |
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Configuration |
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1 |
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B |
PCIEX4 |
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x2 |
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x4 |
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SATA56 |
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V |
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Configuration |
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C |
M.2_1 |
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x4 |
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SATA2 |
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V |
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xii
•The DIMM.2 Slots are disabled by default. Please adjust BIOS settings to enable DIMM.2 Slots.
•The PCIEx4 slot shares bandwidth with SATA6G_56 and PCIEx4 slot is default set at x2 mode.
•When M.2_1 is operating in SATA mode, SATA6G_2 will be disabled.
xiii
Check your motherboard package for the following items.
Motherboard |
1 x ROG MAXIMUS XII EXTREME motherboard |
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1 x Addressable RGB extension cable |
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Cables |
1 x RGB extension cable |
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8 x ROG weave SATA 6G cables |
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1 x 3-in-1 Thermistor cables pack |
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Additional Cooling Kit |
1 x Fan bracket |
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1 x ROG assistant fan (40mm) |
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1 x Fan Extension Card II |
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Fan Extension Card II |
1 x Fan Extension Card II power |
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1 x Fan Extension Card II NODE connector cable |
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1 x Fan Extension Card II screw package |
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1 x ROG DIMM.2 with heatsink |
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ROG DIMM.2 with Heatsink |
2 x M.2 pads for ROG DIMM.2 |
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2 x M.2 screw packages for ROG DIMM.2 |
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1 x THUNDERBOLTEX 3-TR Card |
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THUNDERBOLTEX 3-TR |
2 x Mini DisplayPort cables |
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1 x ASUS TB header cable |
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1 x USB 2.0 Cable |
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1 x M.2 Rubber package |
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1 x M.2 SSD screw package |
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1 x Q-connector |
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Miscellaneous |
1 x ROG logo plate stickers |
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1 x ROG multi-bit screwdriver |
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1 x ROG stickers |
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1 x ASUS 2x2 dual band Wi-Fi moving antennas |
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Installation Media |
1 x USB drive with utilities and drivers |
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Documentation |
1 x User manual |
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If any of the above items is damaged or missing, contact your retailer.
xiv
Phillips (cross) screwdriver
PC chassis |
Power supply unit |
Intel® LGA 1200 CPU |
Intel® LGA 1200 compatible CPU Fan |
DDR4 DIMM |
SATA hard disk drive |
SATA optical disc drive (optional) |
Graphics card (optional) |
M.2 SSD module (optional) |
1 Bag of screws |
The tools and components in the table above are not included in the motherboard package.
xv
xvi
Product Introduction |
1 |
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.
•Hold components by the edges to avoid touching the ICs on them.
•Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that came with the component.
•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.
Chapter 1
ROG MAXIMUS XII EXTREME |
1-1 |
1 Chapter
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1-2 |
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Chapter 1: Product Introduction |
Layout contents
1.CPU socket
2.DIMM slots
3.Expansion slots
4.Fan and Pump headers
5.Water Block header
6.Liquid Cooling System headers
7.Power connectors
8.M.2 Slot (Key M)
9.DIMM.2 slot
10.SATA 6GB/s port
11.USB 3.2 Gen 2 Front Panel connector
12.USB 3.2 Gen 1 header
13.USB 2.0 header
14.AURA Addressable Gen 2 header
15.AURA RGB header
16.BIOS Switch button
17.FlexKey button (Reset)
18.Front Panel Audio header
19.LN2 Mode jumper
20.Node header
21.ProbeIt Measurement Points
22.ReTry button
23.RSVD switch
24.Safe Boot button
25.Slow Mode switch
26.Start button
27.System Panel header
28.Thermal Sensor header
29.Thunderbolt header
30.Q-Code LED
31.Q-LEDs
32.BIOS LED
33.Storage Device Activity LED
34.8-pin Power Plug LED
Page
1-4
1-5
1-7
1-9
1-10
1-10
1-11
1-12
1-13
1-14
1-15
1-15
1-16
1-17
1-18
1-19
1-19
1-20
1-20
1-21
1-22
1-23
1-23
1-24
1-24
1-25
1-26
1-27
1-28
1-29
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Chapter 1
ROG MAXIMUS XII EXTREME |
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1.CPU socket
The motherboard comes with a LGA1200 socket designed for 10th Gen Intel® Core™, Pentium® Gold and Celeron® processors.
1 Chapter
•Ensure that you install the correct CPU designed for LGA1200 socket only. DO NOT install a CPU designed for other sockets on the LGA1200 socket.
•The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU.
•Ensure that all power cables are unplugged before installing the CPU.
•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. ASUS will shoulder the cost of repair only if the damage is shipment/ transit-related.
•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 LGA1200 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.
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Chapter 1: Product Introduction |
2.DIMM slots
The motherboard comes with Dual Inline Memory Modules (DIMM) slots designed for DDR4 (Double Data Rate 4) memory modules.
A DDR4 memory module is notched differently from a DDR, DDR2, or DDR3 module. DO NOT install a DDR, DDR2, or DDR3 memory module to the DDR4 slot.
Recommended memory configurations
Chapter 1
ROG MAXIMUS XII EXTREME |
1-5 |
1 Chapter
Memory configurations
You may install 4 GB, 8 GB, 16 GB, and 32 GB unbuffered and non ECC DDR4 DIMMs into the DIMM sockets.
You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation.
• The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard way of accessing information from a memory module. Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value.
•For system stability, use a more efficient memory cooling system to support a full memory load or overclocking condition.
•Always install the DIMMS with the same CAS Latency. For an optimum compatibility, we recommend that you install memory modules of the same version or data code (D/C) from the same vendor. Check with the vendor to get the correct memory modules.
•Visit the ASUS website for the latest QVL.
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Chapter 1: Product Introduction |
3.Expansion slots
Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.
Chapter 1
Please refer to the following table for the recommended VGA configuration.
ROG MAXIMUS XII EXTREME |
1-7 |
1 Chapter
Recommended VGA configuration
Slot Description |
Single VGA |
Dual VGA |
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2. |
PCIe 3.0 x16_1 |
x16 |
x8 |
3. |
PCIe 3.0 x16_2 |
- |
x8 |
•We recommend that you provide sufficient power when running CrossFireX™ or SLI®
mode.
•Connect a chassis fan to the chassis fan connectors when using multiple graphics cards for better thermal environment.
•When installing a dual VGA card, we recommend selecting a chassis case which supports 7 or more expansion slots
The PCIEx4 slot shares bandwidth with SATA6G_56 and PCIEx4 slot is default set at x2 mode.
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Chapter 1: Product Introduction |
4.Fan and Pump headers
The Fan and Pump headers allow you to connect fans or pumps to cool the system.
Chapter 1
•DO NOT forget to connect the fan cables to the fan headers. Insufficient air flow
inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan headers!
•Ensure the cable is fully inserted into the header.
For water cooling kits, connect the pump connector to the W_PUMP+_1/2 header.
Header |
Max. Current |
Max. Power |
Default Speed |
Shared Control |
CPU_FAN |
1A |
12W |
Q-Fan Controlled |
A |
CPU_OPT |
1A |
12W |
Q-Fan Controlled |
A |
RAD1A_FAN |
1A |
12W |
Q-Fan Controlled |
B |
RAD1B_FAN |
1A |
12W |
Q-Fan Controlled |
B |
RAD1C_FAN |
1A |
12W |
Q-Fan Controlled |
B |
RAD1D_FAN |
1A |
12W |
Q-Fan Controlled |
B |
RAD2A_FAN |
1A |
12W |
Q-Fan Controlled |
C |
RAD2B_FAN |
1A |
12W |
Q-Fan Controlled |
C |
RAD2C_FAN |
1A |
12W |
Q-Fan Controlled |
C |
RAD2D_FAN |
1A |
12W |
Q-Fan Controlled |
C |
CHA_FAN1 |
1A |
12W |
Q-Fan Controlled |
- |
CHA_FAN2 |
1A |
12W |
Q-Fan Controlled |
- |
W_PUMP+_1 |
3A |
36W |
Full Speed |
- |
W_PUMP+_2 |
3A |
36W |
Full Speed |
- |
ROG MAXIMUS XII EXTREME |
1-9 |
5. |
Water Block header |
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The Water Block header allows you to connect sensors to monitor the temperature, |
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flow rate, and water leak signals of your third party monoblocks. You can manually |
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adjust the fans and water pump to optimize the thermal efficiency of your third party |
1 Chapter |
monoblocks. |
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6.Liquid Cooling System headers
The Liquid Cooling System headers allow you to connect sensors to monitor the temperature and flow rate of your liquid cooling system. You can manually adjust the fans and water pump to optimize the thermal efficiency of your liquid cooling system.
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1-10 |
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Chapter 1: Product Introduction |
7.Power connectors
These Power connectors allow you to connect your motherboard to a power supply. The power supply plugs are designed to fit in only one orientation, find the proper orientation and push down firmly until the power supply plugs are fully inserted.
Chapter 1
Ensure to connect the 8-pin power plug.
•For a fully configured system, we recommend that you use a power supply unit
(PSU) that complies with ATX 12V Specification 2.0 (or later version) and provides a minimum power of 350 W.
•Connect the 4-pin EZ_PLUG power plugs to ensure sufficient power when you install multiple graphics cards.
•We recommend that you use a PSU with a higher power output when configuring a system with more power-consuming devices. The system may become unstable or may not boot up if the power is inadequate.
•If you want to use two or more high-end PCI Express x16 cards, use a PSU with 1000W power or above to ensure the system stability.
ROG MAXIMUS XII EXTREME |
1-11 |
8.M.2 slot
The M.2 slot allows you to install M.2 SSD modules.
1 Chapter
•M.2_1 slot supports PCIe 3.0 x4 and SATA mode Key M design and type 2242 / 2260/ 2280 storage devices.
•M.2_2 slot supports PCIe 3.0 x4 mode Key M design and type 2242 / 2260 / 2280 PCIe storage devices.
•When M.2_1 is operating in SATA mode, SATA6G_2 will be disabled.
•M.2 slots supports IRST (Intel® Rapid Storage Technology).
The M.2 SSD module is purchased separately.
1-12 |
Chapter 1: Product Introduction |