ASROCK X470 Master SLI/ac User manual

Version 1.0
Published January 2018
Copyright©2018 ASRock INC. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or
translated in any language, in any form or by any means, except duplication of
documentation by the purchaser for backup purpose, without written consent of
ASRock Inc.
Products and corporate names appearing in this documentation 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.
Disclaimer:
Specications and information contained in this documentation are furnished for
informational use only and subject to change without notice, and should not be
constructed as a commitment by ASRock. ASRock assumes no responsibility for
any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock does not provide
warranty of any kind, either expressed or implied, including but not limited to
the implied warranties or conditions of merchantability or tness for a particular
purpose.
In no event shall ASRock, its directors, ocers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of prots, loss of business, loss of data, interruption of business and the like),
even if ASRock has been advised of the possibility of such damages arising from any
defect or error in the documentation or product.
is device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”
ASRock Website: http://www.asrock.com

AUSTRALIA ONLY
Our goods come with guarantees that cannot be excluded under the Australian Consumer
Law. You are entitled to a replacement or refund for a major failure and compensation for
any other reasonably foreseeable loss or damage caused by our goods. You are also entitled
to have the goods repaired or replaced if the goods fail to be of acceptable quality and the
failure does not amount to a major failure. If you require assistance please call ASRock Tel
: [phone] ext.123 (Standard International call charges apply)
e terms HDMI™ and HDMI High-Denition Multimedia Interface, and the HDMI
logo are trademarks or registered trademarks of HDMI Licensing LLC in the United
States and other countries.

CE Warning
is device complies with directive 2014/53/EU issued by the Commision of the European
Community.
is equipment complies with EU radiation exposure limits set forth for an uncontrolled
environment.
is equipment should be installed and operated with minimum distance 20cm between
the radiator & your body.
Operations in the 5.15-5.35GHz band are restricted to indoor usage only.
Radio transmit power per transceiver type
Function Frequency Maximum Output Power (EIRP)
WiFi
2400-2483.5 MHz 18.5 + / -1.5 dbm
5150-5250 MHz 21.5 + / -1.5 dbm
5250-5350 MHz 18.5 + / -1.5 dbm (no TPC)
21.5 + / -1.5 dbm (TPC)
5470-5725 MHz 25.5 + / -1.5 dbm (no TPC)
28.5 + / -1.5 dbm (TPC)
Bluetooth 2400-2483.5 MHz 8.5 + / -1.5 dbm

Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 2
1.3 Motherboard Layout 7
1.4 I/O Panel 9
1.5 WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas
(for X470 Master SLI/ac only) 12
Chapter 2 Installation 14
2.1 Installing the CPU 15
2.2 Installing the CPU Fan and Heatsink 17
2.3 Installing Memory Modules (DIMM) 26
2.4 Expansion Slots (PCI Express Slots) 29
2.5 Jumpers Setup 30
2.6 Onboard Headers and Connectors 31
2.7 SLITM and Quad SLITM Operation Guide 37
2.7.1 Installing Two SLITM-Ready Graphics Cards 37
2.7.2 Driver Installation and Setup 39
2.8 CrossFireXTM and Quad CrossFireXTM Operation Guide 40
2.8.1 Installing Two CrossFireXTM-Ready Graphics Cards 40
2.8.2 Driver Installation and Setup 42
2.9 M.2_SSD (NGFF) Module Installation Guide (M2_1) 43
2.10 M.2_SSD (NGFF) Module Installation Guide (M2_2) 46

Chapter 3 Software and Utilities Operation 49
3.1 Installing Drivers 49
3.2 A-Tuning 50
3.2.1 Installing A-Tuning 50
3.2.2 Using A-Tuning 50
3.3 ASRock Live Update & APP Shop 53
3.3.1 UI Overview 53
3.3.2 Apps 54
3.3.3 BIOS & Drivers 57
3.3.4 Setting 58
3.4 ASRock Polychrome RGB 59
Chapter 4 UEFI SETUP UTILITY 62
4.1 Introduction 62
4.1.1 UEFI Menu Bar 62
4.1.2 Navigation Keys 63
4.2 Main Screen 64
4.3 OC Tweaker Screen 65
4.4 Advanced Screen 68
4.4.1 CPU Conguration 69
4.4.2 North Bridge Conguration 70
4.4.3 South Bridge Conguration 71
4.4.4 Storage Conguration 72
4.4.5 Super IO Conguration 73
4.4.6 ACPI Conguration 74

4.4.7 Trusted Computing 75
4.4.8 AMD CBS 76
4.4.9 AMD PBS 84
4.5 Tools 85
4.6 Hardware Health Event Monitoring Screen 87
4.7 Security Screen 90
4.8 Boot Screen 91
4.9 Exit Screen 93

English
1
X470 Master SLI/ac / X470 Master SLI
Chapter 1 Introduction
ank you for purchasing ASRock X470 Master SLI/ac / X470 Master SLI
motherboard, a reliable motherboard produced under ASRock’s consistently
stringent quality control. It delivers excellent performance with robust design
conforming to ASRock’s commitment to quality and endurance.
In this documentation, Chapter 1 and 2 contains the introduction of the
motherboard and step-by-step installation guides. Chapter 3 contains the operation
guide of the soware and utilities. Chapter 4 contains the conguration guide of
the BIOS setup.
1.1 Package Contents
• ASRock X470 Master SLI/ac / X470 Master SLI Motherboard (ATX Form Factor)
• ASRock X470 Master SLI/ac / X470 Master SLI Quick Installation Guide
• ASRock X470 Master SLI/ac / X470 Master SLI Support CD
• 1 x I/O Panel Shield
• 2x Serial ATA (SATA) Data Cables (Optional)
• 1 x ASRock SLI_HB_Bridge_2S Card (Optional)
• 2 x Screws for M.2 Sockets (Optional)
• 2 x ASRock WiFi 2.4/5 GHz Antennas (Optional) (for X470 Master SLI/ac only)
Because the motherboard specications and the BIOS soware might be updated, the
content of this documentation will be subject to change without notice. In case any
modications of this documentation occur, the updated version will be available on
ASRock’s website without further notice. If you require technical support related to
this motherboard, please visit our website for specic information about the model
you are using. You may nd the latest VGA cards and CPU support list on ASRock’s
website as well. ASRock website http://www.asrock.com.

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2
1.2 Specications
Platform • ATX Form Factor
• 2oz Copper PCB
CPU • Supports AMD AM4 Socket Ryzen Series CPUs (Summit
Ridge, Raven Ridge and Pinnacle Ridge)
• Digi Power design
• 12 Power Phase design
• Supports 105W Water Cooling (Pinnacle Ridge); Supports
95W Water Cooling (Summit Ridge); Supports 65W Water
Cooling (Raven Ridge)
Chipset • AMD Promontory X470
Memory • Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4
3466+(OC)/3200(OC)/2933/2667/2400/2133 ECC & non-
ECC, un-buered memory*
• AMD Ryzen series CPUs (Summit Ridge) support DDR4
3466+(OC)/3200(OC)/2933(OC)/2667/2400/2133 ECC &
non-ECC, un-buered memory*
• AMD Ryzen series CPUs (Raven Ridge) support DDR4
3466+(OC)/3200(OC)/2933(OC)/2667/2400/2133 non-ECC,
un-buered memory*
* For Ryzen Series CPUs (Raven Ridge), ECC is only supported
with PRO CPUs.
* Please refer to Memory Support List on ASRock’s website for
more information. (http://www.asrock.com/)
* Please refer to page 25 for DDR4 UDIMM maximum
frequency support.
• Max. capacity of system memory: 64GB
• 15μ Gold Contact in DIMM Slots
Expansion
Slot
• 2 x PCI Express 3.0 x16 Slots (single at x16 (PCIE1); dual at
x8 (PCIE1) / x8 (PCIE4))*
* Supports NVMe SSD as boot disks
• 4 x PCI Express 2.0 x1 Slots

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X470 Master SLI/ac / X470 Master SLI
• Supports AMD Quad CrossFireXTM and CrossFireXTM
• Supports NVIDIA® Quad SLITM and SLITM
• 15μ Gold Contact in VGA PCIe Slot (PCIE1)
Graphics • Integrated AMD RadeonTM Vega Series Graphics in Ryzen
Series APU*
* Actual support may vary by CPU
• DirectX 12, Pixel Shader 5.0
• Max. shared memory 2GB
• Supports HDMI with max. resolution up to 4K x 2K
(4096x2160) @ 30Hz
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and
HBR (High Bit Rate Audio) with HDMI Port (Compliant
HDMI monitor is required)
• Supports HDCP with HDMI Port
• Supports 4K Ultra HD (UHD) playback with HDMI Port
Audio • 7.1 CH HD Audio with Content Protection (Realtek ALC892
Audio Codec)
• Premium Blu-ray Audio support
• Supports Surge Protection
• Nichicon Fine Gold Series Audio Caps
LAN • Gigabit LAN 10/100/1000 Mb/s
• GigaLAN Intel® I211AT
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Energy Ecient Ethernet 802.3az
• Supports PXE
Wireless
LAN (for
X470 Mas-
ter SLI/ac
only)
• Intel® 802.11ac WiFi Module
• Supports IEEE 802.11a/b/g/n/ac
• Supports Dual-Band (2.4/5 GHz)
• Supports high speed wireless connections up to 433Mbps
• Supports Bluetooth 4.2 / 3.0 + High speed class II

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Rear Panel
I/O
• 2 x Antenna Ports (for X470 Master SLI/ac only)
• 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
• 1 x Optical SPDIF Out Port
• 1 x USB 3.1 Gen2 Type-A Port (10 Gb/s) (Supports ESD
Protection)
• 1 x USB 3.1 Gen2 Type-C Port (10 Gb/s) (Supports ESD
Protection)
• 6 x USB 3.1 Gen1 Ports (Supports ESD Protection)
• 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED
LED)
• HD Audio Jacks: Rear Speaker / Central / Bass / Line in /
Front Speaker / Microphone (Gold Audio Jacks)
Storage • 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0,
RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
• 1 x Ultra M.2 Socket (M2_1), supports M Key type
2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module
and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)*
• 1 x M.2 Socket (M2_2), supports M Key type
2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2
PCI Express module up to Gen2 x2 (10 Gb/s)*
* Supports NVMe SSD as boot disks
* Supports ASRock U.2 Kit
Connector • 1 x COM Port Header
• 1 x TPM Header
• 1 x Power LED and Speaker Header
• 1 x AMD Fan LED Header
* e AMD Fan LED Header supports LED strips of maximum
load of 3A (36W) and length up to 2.5M.
• 1 x RGB LED Header
* Supports in total up to 12V/3A, 36W LED Strip
• 1 x Addressable LED Header
* Supports in total up to 5V/3A, 15W LED Strip
• 1 x CPU Fan Connector (4-pin)
* e CPU Fan Connector supports the CPU fan of maximum
1A (12W) fan power.
• 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan
Speed Control)

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X470 Master SLI/ac / X470 Master SLI
* e CPU/Water Pump Fan supports the water cooler fan of
maximum 2A (24W) fan power.
• 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan
Speed Control)
* e Chassis/Water Pump Fan supports the water cooler fan of
maximum 2A (24W) fan power.
* CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP and
CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use.
• 1 x 24 pin ATX Power Connector (Hi-Density Power Con-
nector)
• 1 x 8 pin 12V Power Connector (Hi-Density Power Connec-
tor)
• 1 x 4 pin 12V Power Connector (Hi-Density Power Connec-
tor)
• 1 x Front Panel Audio Connector
• 1 x AMD LED Fan USB Header
• 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports
ESD Protection)
• 2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports)
(Supports ESD Protection)
BIOS
Feature
• AMI UEFI Legal BIOS with GUI support
• Supports “Plug and Play”
• ACPI 5.1 compliance wake up events
• Supports jumperfree
• SMBIOS 2.3 support
• CPU, VCORE_NB, DRAM, VPPM, PCH 1.05V, +1.8V,
VDDP, PROM 2.5V, Voltage Multi-adjustment
Hardware
Monitor
• Temperature Sensing: CPU, CPU/Water Pump, Chassis/Wa-
ter Pump Fans
• Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water
Pump Fans
• Quiet Fan (Auto adjust chassis fan speed by CPU tempera-
ture): CPU, CPU/Water Pump, Chassis/Water Pump Fans
• Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/
Water Pump Fans
• Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, VCORE_
NB, DRAM, PCH 1.05V, +1.8V, VDDP

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OS • Microso® Windows® 10 64-bit
Certica-
tions
• FCC, CE
• ErP/EuP ready (ErP/EuP ready power supply is required)
Please realize that there is a certain risk involved with overclocking, including
adjusting the setting in the BIOS, applying Untied Overclocking Technology, or using
third-party overclocking tools. Overclocking may aect your system’s stability, or
even cause damage to the components and devices of your system. It should be done
at your own risk and expense. We are not responsible for possible damage caused by
overclocking.
* For detailed product information, please visit our website: http://www.asrock.com

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X470 Master SLI/ac / X470 Master SLI
1.3 Motherboard Layout
DDR4_A2 (64 bit, 288-pin module)
DDR4_A1 (64 bit, 288-pin module)
DDR4_B2 (64 bit, 288-pin module)
DDR4_B1 (64 bit, 288-pin module)
ATXPWR1
PCIE1
Top:
Central/Bass
Center:
REAR SPK
Top:
LINE IN
Center:
FRONT
Bottom:
Optical
SPDIF
Bottom:
MIC IN
PCIE4
HDLED RESET
PLED PWRBTN
PANEL1
1
1
SPK_PLED1
COM1
1
1
HD_AUDIO1
SATA3_3_4
SATA3_1_2
USB_1_2
1
USB_3_4
1
SATA3_5_6
CMOS
Battery
M2_1
M2_2
USB3_7_8
1
CPU_FAN1
1
TPMS1
Ultra M . 2
PC Ie Ge n3 x4
CHA_FAN1/WP
USB3_9_10
1
AMD_FAN_LED1
1
BIOS
ROM
RoHS
PCIE5
CHA_FAN2/WP
1
USB_5
RGB_LED1
1
Supe r
I/O
PCIE6
CPU_FAN2/WP
CHA_FAN3/WP
Top:
RJ-45
USB 3.1 G en 1
T: USB5
B: USB6
USB 3.1 Gen2
T: USB3_TA_1
B: USB3_TC_1
USB 3.1 Gen1
T: USB3
B: USB4
ADDR_LED1
1
AMD
Promontory
X470
SOCKET AM4
HDMI1
PS2
Keyboard/
Mouse
USB 3 .1 Gen1
T: USB1
B: USB2
ATX12V1 ATX12V2
CLRCMOS1
1
PCIE2
PCIE3
M2_WIFI_1*
* e vertical M.2 socket (Key E) with the bundled WiFi-802.11ac module is for X470
Master SLI/ac only.

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No. Description
1 ATX 12V Power Connector (ATX12V1)
2 ATX 12V Power Connector (ATX12V2)
3 CPU Fan Connector (CPU_FAN1)
4 CPU/Water Pump Fan Connector (CPU_FAN2/WP)
5 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
6 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
7 ATX Power Connector (ATXPWR1)
8 USB 3.1 Gen1 Header (USB3_9_10)
9 USB 3.1 Gen1 Header (USB3_7_8)
10 AMD LED Fan USB Header (USB_5)
11 AMD Fan LED Header (AMD_FAN_LED1)
12 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)
13 SATA3 Connectors (SATA3_5_6)
14 SATA3 Connectors (SATA3_3_4)
15 SATA3 Connectors (SATA3_1_2)
16 System Panel Header (PANEL1)
17 RGB LED Header (RGB_LED1)
18 Clear CMOS Jumper (CLRCMOS1)
19 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
20 Addressable LED Header (ADDR_LED1)
21 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
22 USB 2.0 Header (USB_1_2)
23 USB 2.0 Header (USB_3_4)
24 Power LED and Speaker Header (SPK_PLED1)
25 TPM Header (TPMS1)
26 COM Port Header (COM1)
27 Front Panel Audio Header (HD_AUDIO1)

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X470 Master SLI/ac / X470 Master SLI
1.4 I/O Panel
X470 Master SLI/ac
No. Description No. Description
1 PS/2 Mouse/Keyboard Port 9 USB 3.1 Gen1 Ports (USB3_5_6)
2 LAN RJ-45 Port* 10 USB 3.1 Gen2 Type-A Port (USB3_TA_1)
3 Central / Bass (Orange) 11 USB 3.1 Gen2 Type-C Port (USB3_TC_1)
4 Rear Speaker (Black) 12 USB 3.1 Gen1 Ports (USB3_3_4)
5 Line In (Light Blue) 13 USB 3.1 Gen1 Port (USB3_1_2)
6 Front Speaker (Lime)** 14 HDMI Port (HDMI1)
7 Microphone (Pink) 15 Antenna Ports
8 Optical SPDIF Out Port
1
12 91014 13
2
11
78
4
3
6
5
15

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X470 Master SLI
No. Description No. Description
1 PS/2 Mouse/Keyboard Port 8 Optical SPDIF Out Port
2 LAN RJ-45 Port* 9 USB 3.1 Gen1 Ports (USB3_5_6)
3 Central / Bass (Orange) 10 USB 3.1 Gen2 Type-A Port (USB3_TA_1)
4 Rear Speaker (Black) 11 USB 3.1 Gen2 Type-C Port (USB3_TC_1)
5 Line In (Light Blue) 12 USB 3.1 Gen1 Ports (USB3_3_4)
6 Front Speaker (Lime)** 13 USB 3.1 Gen1 Port (USB3_1_2)
7 Microphone (Pink) 14 HDMI Port (HDMI1)
1
12 91014 13
2
11
78
4
3
6
5

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X470 Master SLI/ac / X470 Master SLI
* ere are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
Activity / Link LED Speed LED
Status Description Status Description
O No Link O 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection
** If you use a 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”. See the table below
for connection details in accordance with the type of speaker you use.
Audio Output
Channels
Front Speaker
(No. 6)
Rear Speaker
(No. 4)
Central / Bass
(No. 3)
Line In
(No. 5)
2V -- -- --
4V V -- --
6V V V --
8V V V V
ACT/LINK LED
SPEED LED
LAN Port

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1.5 WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz
Antennas (for X470 Master SLI/ac only)
WiFi-802.11ac + BT Module
is motherboard comes with an exclusive WiFi 802.11 a/b/g/n/ac + BT v4.2
module (pre-installed on the rear I/O panel) that oers support for WiFi 802.11 a/b/
g/n/ac connectivity standards and Bluetooth v4.2. WiFi + BT module is an easy-to-
use wireless local area network (WLAN) adapter to support WiFi + BT. Bluetooth
v4.2 standard features Smart Ready technology that adds a whole new class of
functionality into the mobile devices. BT 4.2 also includes Low Energy Technology
and ensures extraordinary low power consumption for PCs.
* e transmission speed may vary according to the environment.

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X470 Master SLI/ac / X470 Master SLI
WiFi Antennas Installation Guide
Step 1
Prepare the WiFi 2.4/5 GHz Antennas that come
with the package.
Step 2
Connect the two WiFi 2.4/5 GHz Antennas to
the antenna connectors. Turn the antenna clock-
wise until it is securely connected.
Step 3
Set the WiFi 2.4/5 GHz Antenna as shown in the
illustration.
*You may need to adjust the direction of
the antenna for a stronger signal.