ASROCK Z390M Pro4 User manual

Version 1.0
Published March 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.

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Z390M Pro4
Motherboard Layout
Intel
Z390
ATXPWR1
HDLE D RESE T
PLED P WRBT N
PANEL 1
1
COM1
1
Z390M Pro4
RoHS
CPU _FAN 1
PCIE1
TPM S1
1
1
SPK_ CI1
1
PCIE2
CMOS
Battery
DDR4_A 2 (64 bit, 288-pin mod ule)
DDR4_A 1 (64 bit, 288- pin mod ule)
DDR4_B 2 (64 bit, 288-pin mod ule)
DDR4_B 1 (64 bit, 288- pin mod ule)
ATX1 2V 1
SATA3 _2
SATA3 _3
USB 3_ 5_6
SATA3 _4
SATA3 _5
CLRM OS1
1
1
HD_AUDIO1
M2_1
Top:
RJ-45
HDMI1
CHA _FA N1/ WP
Top:
LIN E IN
Cen te r:
FRO NT
Bot to m:
MIC I N
USB 3 .1 Gen2
T: USB3 _TA_1
B: US B3_TC _1
PCIE4
US B 3 . 1 G e n 2
SATA3 _1
CHA_FAN2/WP
Ul tra M . 2
PC Ie Ge n 3 x4
PS2
Keyb oard
PS2
Mous e
DVI1
VGA1
USB 3 .1 Gen1
T: USB3 _3
B: US B3_4
CPU _FAN 2/W P
USB3_4
1
M2_2
SATA3 _0
PCIE3
1
USB 3_ 7_8
PM_E O
1
USB 3 .1 Gen1
T: USB1
B: US B2
USB5
1
M2_3

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No. Description
1 ATX 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
4 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
5 CPU/Water Pump Fan Connector (CPU_FAN2/WP)
6 Performance Mode / Easy OC Header (PM_EO)
7 ATX Power Connector (ATXPWR1)
8 USB 3.1 Gen1 Header (USB3_5_6)
9 SATA3 Connector (SATA3_0)
10 SATA3 Connector (SATA3_1)
11 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
12 USB 3.1 Gen1 Header (USB3_7_8)
13 SATA3 Connector (SATA3_2)
14 SATA3 Connector (SATA3_3)
15 SATA3 Connector (SATA3_5)
16 SATA3 Connector (SATA3_4)
17 Clear CMOS Jumper (CLRMOS1)
18 Chassis Intrusion and Speaker Header (SPK_CI1)
19 System Panel Header (PANEL1)
20 USB 2.0 Header (USB3_4)
21 USB 2.0 Header (USB5)
22 TPM Header (TPMS1)
23 COM Port Header (COM1)
24 Front Panel Audio Header (HD_AUDIO1)
25 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)

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Z390M Pro4
I/O Panel
No. Description No. Description
1 PS/2 Mouse Port 8 USB 3.1 Gen1 Ports (USB3_3_4)
2 D-Sub Port 9 USB 3.1 Gen2 Type-A Port (USB3_TA_1)
3 LAN RJ-45 Port* 10 USB 3.1 Gen2 Type-C Port (USB3_TC_1)
4 Line In (Light Blue)** 11 HDMI Port
5 Front Speaker (Lime)** 12 DVI-D Port
6 Microphone (Pink)** 13 PS/2 Keyboard Port
7 USB 3.1 Gen1 Ports (USB12)
* ere are two LEDs on the 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
ACT/LINK LED
SPEED LED
LAN Port
13 6711
12
5
4
1 3
8
2
10
9

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** To congure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-
channel audio feature through the audio driver.
Please set Speaker Conguration to “7.1 Speaker”in the Realtek HD Audio Manager.
Function of the Audio Ports in 7.1-channel Conguration:
Port Function
Light Blue (Rear panel) Rear Speaker Out
Lime (Rear panel) Front Speaker Out
Pink (Rear panel) Central /Subwoofer Speaker Out
Lime (Front panel) Side Speaker Out

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Z390M Pro4
Chapter 1 Introduction
ank you for purchasing ASRock Z390M Pro4 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.
1.1 Package Contents
• ASRock Z390M Pro4 Motherboard (Micro ATX Form Factor)
• ASRock Z390M Pro4 Quick Installation Guide
• ASRock Z390M Pro4 Support CD
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 3 x Screws for M.2 Sockets (Optional)
• 1 x I/O Panel Shield
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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1.2 Specications
Platform • Micro ATX Form Factor
• Solid Capacitor design
CPU • Supports 9th and 8th Gen Intel® CoreTM Processors (Socket
1151)
• Digi Power design
• 10 Power Phase design
• Supports Intel® Turbo Boost 2.0 Technology
• Supports Intel® K-Series unlocked CPUs
• Supports ASRock BCLK Full-range Overclocking
Chipset • Intel® Z390
Memory • Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• Supports DDR4 4300+(OC)*/4266(OC)/4133(OC)/4000
(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3200(OC)/
2933(OC)/2800(OC)/2666/2400/2133 non-ECC, un-buered
memory
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
• Supports ECC UDIMM memory modules (operate in non-
ECC mode)
• Max. capacity of system memory: 64GB
• Supports Intel® Extreme Memory Prole (XMP) 2.0
• 15μ Gold Contact in DIMM Slots
Expansion
Slot
• 2 x PCI Express 3.0 x16 Slots (PCIE1/PCIE4: single at x16
(PCIE1); dual at x16 (PCIE1) / x4 (PCIE4))
* Supports NVMe SSD as boot disks
• 2 x PCI Express 3.0 x1 Slots (Flexible PCIe)
• Supports AMD Quad CrossFireXTM and CrossFireXTM
• 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
and Intel® CNVi (Integrated WiFi/BT)

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Z390M Pro4
Graphics • Intel® UHD Graphics Built-in Visuals and the VGA outputs
can be supported only with processors which are GPU
integrated.
• Supports Intel® UHD Graphics Built-in Visuals : Intel®
Quick Sync Video with AVC, MVC (S3D) and MPEG-2 Full
HW Encode1, Intel® InTruTM 3D, Intel® Clear Video HD
Technology, Intel® InsiderTM, Intel® UHD Graphics
• DirectX 12
• HWAEncode/Decode: AVC/H.264, HEVC/H.265 8-bit,
HEVC/H.265 10-bit, VP8, VP9 8-bit, VP9 10-bit (Decode
only), MPEG2, MJPEG, VC-1 (Decode only)
• ree graphics output options: D-Sub, DVI-D and HDMI
• Supports Triple Monitor
• Supports HDMI with max. resolution up to 4K x 2K
(4096x2160) @ 30Hz
• Supports DVI-D with max. resolution up to 1920x1200 @
60Hz
• Supports D-Sub with max. resolution up to 1920x1200 @
60Hz
• 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 DVI-D and HDMI Ports
• Supports 4K Ultra HD (UHD) playback with HDMI Port
Audio • 7.1 CH HD Audio with Content Protection (Realtek ALC892
Audio Codec)
* To congure 7.1 CH HD Audio, it is required to use an HD
front panel audio module and enable the multi-channel audio
feature through the audio driver.
• Premium Blu-ray Audio support
• Supports Surge Protection
• ELNA Audio Caps

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LAN • Gigabit LAN 10/100/1000 Mb/s
• Giga PHY Intel® I219V
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Energy Ecient Ethernet 802.3az
• Supports PXE
Rear Panel
I/O
• 1 x PS/2 Mouse Port
• 1 x PS/2 Keyboard Port
• 1 x D-Sub Port
• 1 x DVI-D Port
• 1 x HDMI 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)
• 4 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: Line in / Front Speaker / Microphone
Storage • 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0,
RAID 1, RAID 5, RAID 10, Intel Rapid Storage Technology
16), NCQ, AHCI and Hot Plug*
* If M2_2 is occupied, SATA3_4 and SATA3_5 will be disabled.
• 1 x Ultra M.2 Socket (M2_1), supports M Key type
2230/2242/2260/2280 M.2 PCI Express module up to Gen3
x4 (32 Gb/s)**
• 1 x Ultra 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 Gen3 x4 (32 Gb/s)**
** Supports Intel® OptaneTM Technology
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit

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Z390M Pro4
Connector • 1 x COM Port Header
• 1 x TPM Header
• 1 x Chassis Intrusion and Speaker Header
• 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)
* e CPU/Water Pump Fan supports the water cooler fan of
maximum 2A (24W) fan power.
• 2 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 and CHA_FAN2/WP can
auto detect if 3-pin or 4-pin fan is in use.
• 1 x 24 pin ATX Power Connector
• 1 x 8 pin 12V Power Connector
• 1 x Front Panel Audio Connector
• 2 x USB 2.0 Headers (Support 3 USB 2.0 ports) (Supports
ESD Protection)
• 2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports)
(Supports ESD Protection)
• 1 x Performance Mode / Easy OC Header
BIOS
Feature
• AMI UEFI Legal BIOS with multilingual GUI support
• ACPI 6.0 Compliant wake up events
• SMBIOS 2.7 Support
• CPU, DRAM, PCH 1.0V, VCCIO, VCCSA, VCCST 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

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• CASE OPEN detection
• Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM,
PCH 1.0V
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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Z390M Pro4
is is a Micro ATX form factor motherboard. Before you install the motherboard,
study the conguration of your chassis to ensure that the motherboard ts into it.
Pre-installation Precautions
Take note of the following precautions before you install motherboard components
or change any motherboard settings.
• Make sure to unplug the power cord before installing or removing the motherboard
components. Failure to do so may cause physical injuries and damages to motherboard
components.
• In order to avoid damage from static electricity to the motherboard’s components,
NEVER place your motherboard directly on a carpet. Also remember to use a grounded
wrist strap or touch a safety grounded object before you handle the components.
• Hold components by the edges and do not touch the ICs.
• Whenever you uninstall any components, place them on a grounded anti-static pad or
in the bag that comes with the components.
• When placing screws to secure the motherboard to the chassis, please do not over-
tighten the screws! Doing so may damage the motherboard.
Chapter 2 Installation

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2.1 Installing the CPU
1. Before you insert the 1151-Pin CPU into the socket, please check if the PnP cap
is on the socket, if the CPU surface is unclean, or if there are any bent pins in the
socket. Do not force to insert the CPU into the socket if above situation is found.
Otherwise, the CPU will be seriously damaged.
2. Unplug all power cables before installing the CPU.
1
2
A
B

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Z390M Pro4
4
5
3

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Please save and replace the cover if the processor is removed. e cover must be
placed if you wish to return the motherboard for aer service.

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Z390M Pro4
2.2 Installing the CPU Fan and Heatsink
1 2
CPU_FAN

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2.3 Installing Memory Modules (DIMM)
is motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
Dual Channel Memory Conguration
e DIMM only ts in one correct orientation. It will cause permanent damage to
the motherboard and the DIMM if you force the DIMM into the slot at incorrect
orientation.
Priority DDR4_A1 DDR4_A2 DDR4_B1 DDR4_B2
1Populated Populated
2Populated Populated Populated Populated
1. For dual channel conguration, you always need to install identical (the same
brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual Channel Memory Technology with only one or three
memory module installed.
3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
slot; otherwise, this motherboard and DIMM may be damaged.

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Z390M Pro4
1
2
3

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2.4 Expansion Slots (PCI Express Slots)
ere are 4 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Congurations
For a better thermal environment, please connect a chassis fan to the motherboard’s
chassis fan connector (CHA_FAN1 or CHA_FAN2) when using multiple graphics
cards.
Before installing an expansion card, please make sure that the power supply is
switched o or the power cord is unplugged. Please read the documentation of the
expansion card and make necessary hardware settings for the card before you start
the installation.
PCIE1 PCIE4
Single Graphics Card x16 N/A
Two Graphics Cards in
CrossFireXTM Mode x16 x4