ASROCK Z490 Extreme4 User manual

Version 1.1
Published January 2020
Copyright©2020 ASRock INC. All rights reserved.
Copyright Notice:
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Products and corporate names appearing in this documentation may or may not
be registered trademarks or copyrights of their respective companies, and are used
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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
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In no event shall ASRock, its directors, ocers, employees, or agents be liable for
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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

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e terms HDMI® and HDMI High-Denition Multimedia Interface, and the
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United States and other countries.

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Z490 Extreme4
Motherboard Layout

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No. Description
1 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_3A)
6 Addressable LED Header (ADDR_LED2)
7 RGB LED Header (RGB_LED2)
8 ATX Power Connector (ATXPWR1)
9 Front Panel Type C USB 3.2 Gen1 Header (USB31_TC_2)
10 USB 3.2 Gen1 Header (USB3_5_6)
11 SATA3 Connector (SATA3_2)
12 SATA3 Connector (SATA3_3)
13 SATA3 Connector (SATA3_1)
14 SATA3 Connector (SATA3_0)
15 Chassis/Water Pump Fan Connector (CHA_FAN5/WP)
16 POST Status Checker (PSC)
17 SPI TPM Header (SPI_TPM_J1)
18 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
19 SATA3 Connector (SATA3_4)
20 SATA3 Connector (SATA3_5)
21 System Panel Header (PANEL1)
22 Power LED and Speaker Header (SPK_PLED1)
23 Chassis/Water Pump Fan Connector (CHA_FAN4/WP)
24 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
25 USB 2.0 Header (USB_5_6)
26 USB 2.0 Header (USB_3_4)
27 Clear CMOS Jumper (CLRMOS1)
28 USB 3.2 Gen1 Header (USB3_3_4)
29 RGB LED Header (RGB_LED1)
30 Addressable LED Header (ADDR_LED1)
31 Front Panel Audio Header (HD_AUDIO1)
32 underbolt AIC Connector (TB1)
33 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)
34 ATX 12V Power Connector (ATX12V2)

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Z490 Extreme4
I/O Panel
No. Description No. Description
1 USB 2.0 Ports (USB_1_2) 8 Microphone (Pink)
2 USB 3.2 Gen2 Type-A Port (USB31_TA_1) 9 Optical SPDIF Out Port
3 2.5G LAN RJ-45 Port (Dragon RTL8125BG)* 10 USB 3.2 Gen1 Ports (USB3_12)***
4 Central / Bass (Orange) 11 USB 3.2 Gen2 Type-C Port (USB31_TC_1)
5 Rear Speaker (Black) 12 DisplayPort 1.4
6 Line In (Light Blue) 13 HDMI Port
7 Front Speaker (Lime)** 14 PS/2 Mouse/Keyboard Port
ACT/LINK LED
SPEED LED
LAN Port
* 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/1Gbps connection
On Link Green 2.5Gbps connection
1
89101113
5
4
7
6
32
14 12

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** 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. 7)
Rear Speaker
(No. 5)
Central / Bass
(No. 4)
Line In
(No. 6)
2V -- -- --
4V V -- --
6V V V --
8V V V V
*** ACPI wake-up function is not supported on USB3_12 ports.

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Z490 Extreme4
Chapter 1 Introduction
ank you for purchasing ASRock Z490 Extreme4 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 Z490 Extreme4 Motherboard (ATX Form Factor)
• ASRock Z490 Extreme4 Quick Installation Guide
• ASRock Z490 Extreme4 Support CD
• 4 x Serial ATA (SATA) Data Cables (Optional)
• 4 x Screws for M.2 Sockets (Optional)
• 2 x Standos for M.2 Sockets (Optional)
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 • ATX Form Factor
• 2oz Copper PCB
CPU • Supports 10th Gen and future generation Intel® CoreTM
Processors (Socket 1200)
• Digi Power design
• 11 Power Phase design
• Supports Intel® Turbo Boost 3.0 Technology
• Supports Intel® K-Series unlocked CPUs
• Supports ASRock BCLK Full-range Overclocking
• Supports ASRock Hyper BCLK Engine III
Chipset • Intel® Z490
Memory • Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• Supports DDR4 4266+(OC)*/4133(OC)/4000
(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3200
(OC)/2933/2800/2666/2400/2133 non-ECC, un-buered
memory
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
* CoreTM (i9/i7) support DDR4 up to 2933; CoreTM (i5/i3),
Pentium® and Celeron® support DDR4 up to 2666.
• Supports ECC UDIMM memory modules (operate in non-
ECC mode)
• Max. capacity of system memory: 128GB
• 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/PCIE3: single at x16
(PCIE1); dual at x16 (PCIE1) / x4 (PCIE3)*
* Supports NVMe SSD as boot disks
• 3 x PCI Express 3.0 x1 Slots
• 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)
• 15μ Gold Contact in VGA PCIe Slot (PCIE1)

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Z490 Extreme4
Graphics • Intel® UHD Graphics Built-in Visuals and the VGA outputs
can be supported only with processors which are GPU
integrated.
• Hardware Accelerated Codecs: AVC/H.264, HEVC/H.265
8bit, HEVC/H.265 10bit, VP8, VP9 8bit, VP9 10bit, MPEG 2,
MJPEG, VC-1
* VP9 10bit and VC-1 are for decode only.
* VP8 and VP9 encode are not supported by Windows OS.
• Graphics, Media & Compute: Microso DirectX 12, OpenGL
4.5, Intel® Built In Visuals, Intel® Quick Sync Video, Hybrid /
Switchable Graphics, OpenCL 2.1
• Display & Content Security: Rec. 2020 (Wide Color Gamut),
Microso PlayReady 3.0, Intel® SGX Content Protection,
UHD/HDR Blu-ray Disc
• Dual graphics output: support HDMI and DisplayPort 1.4
ports by independent display controllers
• Supports HDMI 1.4 with max. resolution up to 4K x 2K
(4096x2160) @ 30Hz
• Supports DisplayPort 1.4 with max. resolution up to 4K x 2K
(4096x2304) @ 60Hz
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and
HBR (High Bit Rate Audio) with HDMI 1.4 Port (Compliant
HDMI monitor is required)
• Supports HDCP 2.3 with HDMI 1.4 and DisplayPort 1.4
Ports
• Supports 4K Ultra HD (UHD) playback with HDMI 1.4 and
DisplayPort 1.4 Ports
Audio • 7.1 CH HD Audio with Content Protection (Realtek
ALC1200 Audio Codec)
• Premium Blu-ray Audio support
• Supports Surge Protection
• 110dB SNR DAC with Dierential Amplier
• PCB Isolate Shielding
• Individual PCB Layers for R/L Audio Channel
• Gold Audio Jacks
• Nahimic Audio

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LAN • 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
• Dragon RTL8125BG
• Supports Dragon 2.5G LAN Soware
- Smart Auto Adjust Bandwidth Control
- Visual User Friendly UI
- Visual Network Usage Statistics
- Optimized Default Setting for Game, Browser, and
Streaming Modes
- User Customized Priority Control
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Energy Ecient Ethernet 802.3az
• Supports PXE
Rear Panel
I/O
• 2 x Antenna Ports
• 1 x PS/2 Mouse/Keyboard Port
• 1 x HDMI Port
• 1 x DisplayPort 1.4
• 1 x Optical SPDIF Out Port
• 2 x USB 2.0 Ports (Supports ESD Protection)
• 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (ReDriver) (Supports
ESD Protection)
• 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (ReDriver) (Supports
ESD Protection)
• 2 x USB 3.2 Gen1 Ports (Intel® Z490) (Supports ESD
Protection)
* Ultra USB Power is supported on USB3_12 ports.
* ACPI wake-up function is not supported on USB3_12 ports.
• 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, RAID 5, RAID 10, Intel Rapid Storage Technology
17), NCQ, AHCI and Hot Plug*
* If M2_2 is occupied by a SATA-type M.2 device, SATA3_1 will
be disabled.
* If M2_3 is occupied by a SATA-type M.2 device, SATA3_5 will
be disabled.