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• Page 2
  (including damages for loss of profits, 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.
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  If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply) The terms HDMI®…

• Page 4: Table Of Contents

  2.8.1 Installing Two CrossFireX -Ready Graphics Cards 2.8.2 Driver Installation and Setup M.2 WiFi/BT Module and Intel® CNVi (Integrated WiFi/BT) Installation Guide 2.10 M.2_SSD (NGFF) Module Installation Guide (M2_1 and M2_2) Chapter 3 Software and Utilities Operation Installing Drivers ASRock Motherboard Utility (A-Tuning)

• Page 5
  ASRock Live Update & APP Shop 3.3.1 UI Overview 3.3.2 Apps 3.3.3 BIOS & Drivers 3.3.4 Setting Nahimic Audio ASRock Polychrome SYNC Chapter 4 UEFI SETUP UTILITY Introduction EZ Mode Advanced Mode 4.3.1 UEFI Menu Bar 4.3.2 Navigation Keys Main Screen…
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  Tools Hardware Health Event Monitoring Screen Security Screen 4.10 Boot Screen 4.11 Exit Screen…

• Page 7: Chapter 1 Introduction

  ASRock’s website without further notice. If you require technical support related to this motherboard, please visit our website for specific information about the model you are using. You may find the latest VGA cards and CPU support list on ASRock’s website as well. ASRock website http://www.asrock.com.

• Page 8: Specifications

  • 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)/2933/2800/2666/2400/2133 non-ECC, un-buffered memory * Please refer to Memory Support List on ASRock’s website for more information. (http://www.asrock.com/) * Core (i9/i7) support DDR4 up to 2933; Core (i5/i3), Pentium® and Celeron® support DDR4 up to 2666.

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  Z490M Pro4 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.
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  • 2 x Ultra M.2 Sockets (M2_1 and M2_2), support M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)** ** Supports Intel® Optane Technology ** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit…
• Page 11
  • 1 x 4 pin 12V Power Connector • 1 x Front Panel Audio Connector • 1 x Thunderbolt AIC Connector (5-pin) (Supports ASRock Thunderbolt 3 AIC R2.0 Card only) • 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Intel® Z490) (Supports ESD Protection) • 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
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  • ErP/EuP Ready (ErP/EuP ready power supply is required) tions * For detailed product information, please visit our website: http://www.asrock.com 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.

• Page 13: Motherboard Layout

  Z490M Pro4 1.3 Motherboard Layout CPU_FAN2/WP ATX12V1 ATX12V2 CPU_FAN1 USB 3.2 Gen2 T: USB31_TA_1 B: USB31_TC_1 USB 3.2 Gen1 Top: T: USB3_4 RJ-45 B: USB3_3 CHA_FAN2/WP CHA_FAN1/WP PCIE1 Intel Ultra M.2 Z490 PCIe Gen3 x4 PCIE2 CMOS Battery RoHS PCIE3 PCIE4 PANEL1 SPK_CI1…

• Page 14
  No. Description ATX 12V Power Connector (ATX12V1) ATX 12V Power Connector (ATX12V2) CPU Fan Connector (CPU_FAN1) 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) CPU/Water Pump Fan Connector (CPU_FAN2/WP) RGB LED Header (RGB_LED2) Addressable LED Header (ADDR_LED1) ATX Power Connector (ATXPWR1) USB 3.2 Gen1 Header (USB3_5_6)

• Page 15: I/O Panel

  Z490M Pro4 1.4 I/O Panel No. Description No. Description PS/2 Mouse/Keyboard Port USB 3.2 Gen2 Type-A Port (USB31_TA_1) D-Sub Port USB 3.2 Gen2 Type-C Port (USB31_TC_1) LAN RJ-45 Port* Antenna Bracket Line In (Light Blue)** DisplayPort 1.4 Front Speaker (Lime)** HDMI Port Microphone (Pink)** USB 3.2 Gen1 Ports (USB3_1_2)

• Page 16: Chapter 2 Installation

  Chapter 2 Installation This is a Micro ATX form factor motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Pre-installation Precautions Take note of the following precautions before you install motherboard components or change any motherboard settings.

• Page 17: Installing The Cpu

  Z490M Pro4 2.1 Installing the CPU 1. Before you insert the 1200-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.

• Page 19
  Z490M Pro4 Please save and replace the cover if the processor is removed. The cover must be placed if you wish to return the motherboard for after service.

• Page 20: Installing The Cpu Fan And Heatsink

  2.2 Installing the CPU Fan and Heatsink…

• Page 21: Installing Memory Modules (Dimm)

  Z490M Pro4 2.3 Installing Memory Modules (DIMM) This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory Technology. 1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 DIMM pairs. 2.

• Page 23: Expansion Slots (Pci Express Slots)

  Z490M Pro4 2.4 Expansion Slots (PCI Express Slots) There are 4 PCI Express slots on the motherboard. Before installing an expansion card, please make sure that the power supply is switched off 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.

• Page 24: Jumpers Setup

  2.5 Jumpers Setup The illustration shows how jumpers are setup. When the jumper cap is placed on the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is “Open”. Clear CMOS Jumper (CLRMOS1) 2-pin Jumper (see p.7, No.

• Page 25: Onboard Headers And Connectors

  Z490M Pro4 2.6 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard. System Panel Header Connect the power PLED+ PLED-…

• Page 26
  Serial ATA3 Connectors These four SATA3 (SATA3_0: connectors support SATA see p.7, No. 11) data cables for internal (SATA3_1: storage devices with up to see p.7, No. 12) 6.0 Gb/s data transfer rate. (SATA3_2: If M2_1 is occupied, see p.7, No. 15) SATA3_3 will be disabled.
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  Z490M Pro4 1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instructions in our manual and chassis manual to install your system. 2. If you use an AC’97 audio panel, please install it to the front panel audio header by the steps below: A.
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  ATX Power Connector This motherboard pro- (24-pin ATXPWR1) vides a 24-pin ATX power (see p.7, No. 9) connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin ATX 12V Power This motherboard pro- Connector vides a 8-pin ATX 12V (8-pin ATX12V1) power connector.
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  Z490M Pro4 RGB LED Headers RGB LED headers are used to (4-pin RGB_LED1) connect RGB LED extension 12V G R (see p.7, No. 27) cables which allow users to choose from various LED light- (4-pin RGB_LED2) ing effects. Caution: Never install the RGB (see p.7, No.

• Page 30: Post Status Checker

  2.7 Post Status Checker Post Status Checker (PSC) diagnoses the computer when users power on the machine. It emits a red light to indicate whether the CPU, memory, VGA or stor- age is dysfunctional. The lights go off if the four mentioned above are functioning normally.

• Page 31: Tm Tm

  Z490M Pro4 2.8 CrossFireX and Quad CrossFireX Operation Guide This motherboard supports CrossFireX and Quad CrossFireX that allows you to install up to three identical PCI Express x16 graphics cards. 1. You should only use identical CrossFireX -ready graphics cards that are AMD certified.

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  Step 3 Connect a VGA cable or a DVI cable to the monitor connector or the DVI connec- tor of the graphics card that is inserted to PCIE1 slot.

• Page 33: Driver Installation And Setup

  Z490M Pro4 2.8.2 Driver Installation and Setup Step 1 Power on your computer and boot into OS. Step 2 Remove the AMD drivers if you have any VGA drivers installed in your system. The Catalyst Uninstaller is an optional download. We recommend using this utility to uninstall any previously installed Catalyst drivers prior to installation.

• Page 34: Wifi/Bt Module And Intel® Cnvi (Integrated Wifi/Bt) Installation Guide

  2.9 M.2 WiFi/BT Module and Intel® CNVi (Integrated WiFi/BT) Installation Guide The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The M.2 Socket (Key E) supports type 2230 WiFi/BT module and Intel®…

• Page 35
  Z490M Pro4 Step 3 Gently insert the WiFi/BT module or Intel® CNVi (Integrated WiFi/ BT) into the M.2 slot. Please be aware that the module only fits in one orientation. Step 4 Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module.

• Page 36: M2_2)

  2.10 M.2_SSD (NGFF) Module Installation Guide (M2_1 and M2_2) The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The Ultra M.2 Sockets (M2_1 and M2_2) support M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s).

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  TM8PS4128GMC105 Team SATA3 TM8PS4256GMC105 Transcend SATA3 TS512GMTS800 V-Color SATA3 VLM100-120G-2280B-RD V-Color SATA3 VLM100-240G-2280RGB V-Color SATA3 VSM100-240G-2280 V-Color SATA3 VLM100-240G-2280B-RD SATA3 WDS100T1B0B-00AS40 SATA3 WDS240G1G0B-00RC30 For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: http://www.asrock.com…

• Page 38: Chapter 3 Software And Utilities Operation

  Chapter 3 Software and Utilities Operation 3.1 Installing Drivers The Support CD that comes with the motherboard contains necessary drivers and useful utilities that enhance the motherboard’s features. Running The Support CD To begin using the support CD, insert the CD into your CD-ROM drive. The CD automatically displays the Main Menu if “AUTORUN”…

• Page 39: Asrock Motherboard Utility (A-Tuning)

  3.2.1 Installing ASRock Motherboard Utility (A-Tuning) ASRock Motherboard Utility (A-Tuning) can be downloaded from ASRock Live Update & APP Shop. After the installation, you will find the icon “ASRock Mother- board Utility (A-Tuning)“ on your desktop. Double-click the “ASRock Motherboard Utility (A-Tuning)“…

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  OC Tweaker Configurations for overclocking the system. System Info View information about the system. *The System Browser tab may not appear for certain models.
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  Settings Configure ASRock Motherboard Utility (A-Tuning). Click to select «Auto run at Windows Startup» if you want ASRock Motherboard Utility (A-Tuning) to be launched when you start up the Windows operating system.

• Page 42: Asrock Live Update & App Shop

  Double-click on your desktop to access ASRock Live Update & APP Shop utility. *You need to be connected to the Internet to download apps from the ASRock Live Update & APP Shop. 3.3.1 UI Overview Category Panel Hot News…

• Page 43: Apps

  Z490M Pro4 3.3.2 Apps When the «Apps» tab is selected, you will see all the available apps on screen for you to download. Installing an App Step 1 Find the app you want to install. The most recommended app appears on the left side of the screen. The other various apps are shown on the right.

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  Step 3 If you want to install the app, click on the red icon to start downloading. Step 4 When installation completes, you can find the green «Installed» icon appears on the upper right corner. To uninstall it, simply click on the trash can icon *The trash icon may not appear for certain apps.
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  Z490M Pro4 Upgrading an App You can only upgrade the apps you have already installed. When there is an available new version for your app, you will find the mark of «New Version» appears below the installed app icon. Step 1 Click on the app icon to see more details.

• Page 46: Bios & Drivers

  3.3.3 BIOS & Drivers Installing BIOS or Drivers When the «BIOS & Drivers» tab is selected, you will see a list of recommended or critical updates for the BIOS or drivers. Please update them all soon. Step 1 Please check the item information before update. Click on to see more details.

• Page 47: Setting

  Z490M Pro4 3.3.4 Setting In the «Setting» page, you can change the language, select the server location, and determine if you want to automatically run the ASRock Live Update & APP Shop on Windows startup.

• Page 48: Nahimic Audio

  3.4 Nahimic Audio Nahimic audio software provides an incredible high definition sound technology which boosts the audio and voice performance of your system. Nahimic Audio interface is composed of four tabs : Audio, Microphone, Sound Tracker and Settings. There are four functions in Nahimic audio : Function Description From this tab, you can mute the current audio device, choose…

• Page 49: Asrock Polychrome Sync

  Z490M Pro4 3.5 ASRock Polychrome SYNC ASRock Polychrome SYNC is a lighting control utility specifically designed for unique indi- viduals with sophisticated tastes to build their own stylish colorful lighting system. Simply by connecting the LED strip, you can customize various lighting schemes and patterns, including Static, Breathing, Strobe, Cycling, Music, Wave and more.

• Page 50
  Connecting the Addressable RGB LED Strip Connect your Addressable RGB LED strips to the Addressable LED Headers (ADDR_LED1 / ADDR_LED2) on the motherboard. ADDR_LED1 ADDR_LED2 Ultr a M. 2 PCIe Gen3 x4 RoHS DO_ADDR VOUT 1. Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.
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  ASRock Polychrome SYNC Utility Now you can adjust the RGB LED color through the ASRock Polychrome SYNC Utility. Download this utility from the ASRock Live Update & APP Shop and start coloring your PC style your way! Drag the tab to customize your preference.

• Page 52: Chapter 4 Uefi Setup Utility

  Chapter 4 UEFI SETUP UTILITY 4.1 Introduction This section explains how to use the UEFI SETUP UTILITY to configure your system. You may run the UEFI SETUP UTILITY by pressing <F2> or <Del> right after you power on the computer, otherwise, the Power-On-Self-Test (POST) will continue with its test routines.

• Page 53: Ez Mode

  Z490M Pro4 4.2 EZ Mode The EZ Mode screen appears when you enter the BIOS setup program by default. EZ mode is a dashboard which contains multiple readings of the system’s current status. You can check the most crucial information of your system, such as CPU speed, DRAM frequency, SATA information, fan speed, etc.

• Page 54: Advanced Mode

  4.3 Advanced Mode The Advanced Mode provides more options to configure the BIOS settings. Refer to the following sections for the detailed configurations. To access the EZ Mode, press <F6> or click the «EZ Mode» button at the upper right corner of the screen.

• Page 55: Navigation Keys

  Z490M Pro4 4.3.2 Navigation Keys Use < > key or < > key to choose among the selections on the menu bar, and use < > key or < > key to move the cursor up or down to select items, then press <Enter>…

• Page 56: Main Screen

  4.4 Main Screen When you enter the UEFI SETUP UTILITY, the Main screen will appear and display the system overview. The availability and location of BIOS settings can be different for different models and BIOS versions. My Favorite Display your collection of BIOS items. Press F5 to add/remove your favorite items.

• Page 57: Oc Tweaker Screen

  Z490M Pro4 4.5 OC Tweaker Screen In the OC Tweaker screen, you can set up overclocking features. Because the UEFI software is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.

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  CPU Configuration AVX Ratio Offset AVX Ratio Offset specifies a negative offset from the CPU Ratio for AVX workloads. AVX is a more stressful workload that lower the AVX ratio to ensure maximum possible ratio for SSE workloads. BCLK Frequency The CPU speed is determined by the CPU Ratio multiplied with the BCLK.
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  Z490M Pro4 tures for processors that implement the Intel Thermal Velocity Boost (TVB) feature. It is required to be disabled for supporting overclocking at frequencies higher than the default max turbo frequency. Intel Thermal Velocity Boost Voltage Optimizations This service controls thermal based voltage optimizations for processors that implment the Intel Thermal Velocity Boost (TVB) feature.
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  and assign the appropriate frequency automatically. Primary Timing CAS# Latency (tCL) The time between sending a column address to the memory and the beginning of the data in response. RAS# to CAS# Delay and Row Precharge (tRCDtRP) RAS# to CAS# Delay : The number of clock cycles required between the opening of a row of memory and accessing columns within it.
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  Z490M Pro4 Write to Read Delay (tWTR_L) The number of clocks between the last valid write operation and the next read command to the same internal bank. Write to Read Delay (tWTR_S) The number of clocks between the last valid write operation and the next read command to the same internal bank.
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  tRDWR_sg Configure between module read to write delay. tRDWR_dg Configure between module read to write delay. tRDWR_dr Configure between module read to write delay. tRDWR_dd Configure between module read to write delay. tWRRD_sg Configure between module write to read delay. tWRRD_dg Configure between module write to read delay.
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  Z490M Pro4 IOL Init Value Configure IO latency init value for IO latency training. RTL (CH A) Configure round trip latency for channel A. RTL (CH B) Configure round trip latency for channel B. IOL (CH A) Configure IO latency for channel A. IOL (CH B) Configure IO latency for channel B.
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  ODT NOM (A1) Use this to change ODT (CH A1) Auto/Manual settings. The default is [Auto]. ODT NOM (A2) Use this to change ODT (CH A2) Auto/Manual settings. The default is [Auto]. ODT NOM (B1) Use this to change ODT (CH B1) Auto/Manual settings. The default is [Auto]. ODT NOM (B2) Use this to change ODT (CH B2) Auto/Manual settings.
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  Z490M Pro4 Command Driving Adjust Command Driving for better signal. Default is 20. Control Driving Adjust Control Driving for better signal. Default is 20. Clock Driving Adjust Clock Driving for better signal. Default is 26. DQ Slew Rate Adjust DQ Slew Rate for better signal. Default is 59. Command Slew Rate Adjust Command Slew Rate for better signal.
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  Configure the tCWL for Memory MRS MR2. MRS tCCD_L Configure the tCL for Memory MRS MR6. Advanced Setting ASRock Timing Optimization Configure the fast path through the MRC. Realtime Memory Timing Configure the realtime memory timings. [Enabled] The system will allow performing realtime memory timing changes after MRC_DONE.
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  Z490M Pro4 GT Voltage Configure the voltage for the integrated GPU. GT Load-Line Calibration GT Load-Line Calibration helps prevent integrated GPU voltage droop when the system is under heavy load. DRAM Activating Power Supply Configure the voltage for the DRAM Activating Power Supply. DRAM Voltage Use this to configure DRAM Voltage.

• Page 68: Advanced Screen

  4.6 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, Chipset Configuration, Storage Configuration, Intel(R) Thunderbolt, Super IO Configuration, ACPI Configuration, USB Configuration and Trusted Computing. Setting wrong values in this section may cause the system to malfunction. UEFI Configuration UEFI Setup Style Select the default mode when entering the UEFI setup utility.

• Page 69: Cpu Configuration

  Z490M Pro4 4.6.1 CPU Configuration Intel Hyper Threading Technology Intel Hyper Threading Technology allows multiple threads to run on each core, so that the overall performance on threaded software is improved. Active Processor Cores Select the number of cores to enable in each processor package. CPU C States Support Enable CPU C States Support for power saving.

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  CPU C10 State Support Enable C10 deep sleep state for lower power consumption. Package C State Support Enable CPU, PCIe, Memory, Graphics C State Support for power saving. CFG Lock This item allows you to disable or enable the CFG Lock. C6DRAM Enable/Disable moving of DRAM contents to PRM memory when CPU is in C6 state.

• Page 71: Chipset Configuration

  Z490M Pro4 4.6.2 Chipset Configuration Primary Graphics Adapter Select a primary VGA. Above 4G Decoding Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space (only if the system supports 64 bit PCI decoding). VT-d Intel® Virtualization Technology for Directed I/O helps your virtual machine monitor better utilize hardware by improving application compatibility and reliability, and providing additional levels of manageability, security, isolation, and I/O performance.

• Page 72
  PCIe 3 Speed Select the link speed for PCIE 3. PCIe 4 Speed Select the link speed for PCIE 4. PCI Express Native Control Select Enable for enhanced PCI Express power saving in OS. PCIE ASPM Support This option enables/disables the ASPM support for all CPU downstream devices. PCH PCIE ASPM Support This option enables/disables the ASPM support for all PCH PCIE devices.
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  Z490M Pro4 Onboard HDMI HD Audio Enable audio for the onboard digital outputs. Onboard WAN Device Use this item to enable or disable the onboard WAN device. WAN Radio Enable/disable the WiFi module’s connectivity. Bluetooth Enable/disable the Bluetooth connectivity. Deep Sleep Configure deep sleep mode for power saving when the computer is shut down.

• Page 74: Storage Configuration

  4.6.3 Storage Configuration SATA Controller(s) Enable/disable the SATA controllers. SATA Mode Selection AHCI: Supports new features that improve performance. RAID: Combine multiple disk drives into a logical unit. SATA Aggressive Link Power Management SATA Aggressive Link Power Management allows SATA devices to enter a low power state during periods of inactivity to save power.

• Page 75: Intel(R) Thunderbolt

  Z490M Pro4 4.6.4 Intel(R) Thunderbolt Discrete Thunderbolt(TM) Support Enable or disable the Discrete Thunderbolt(TM) Support. Thunderbolt Boot Support Enabled to allow booting from Bootable devices which are present behind Thunderbolt. Thunderbolt Usb Support Enabled to allow booting from Usb devices which are present behind Thunderbolt. Titan Ridge Workaround for OSUP Enable or disable Titan Ridge Workaround for OSUP.

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  Windows 10 Thunderbolt support Specify Windows 10 Thunderbolt support level. Disabled: No OS native support. Enabled: OS Native support only. no RTD3.

• Page 77: Super Io Configuration

  Z490M Pro4 4.6.5 Super IO Configuration PS2 Y-Cable Enable the PS2 Y-Cable or set this option to Auto.

• Page 78: Acpi Configuration

  4.6.6 ACPI Configuration Suspend to RAM Select disable for ACPI suspend type S1. It is recommended to select auto for ACPI S3 power saving. PS/2 Keyboard S4/S5 Wakeup Support Allow the system to be waked up by a PS/2 Keyboard in S4/S5. PCIE Devices Power On Allow the system to be waked up by a PCIE device and enable wake on LAN.

• Page 79: Usb Configuration

  Z490M Pro4 4.6.7 USB Configuration Legacy USB Support Enable or disable Legacy OS Support for USB 2.0 devices. If you encounter USB compatibility issues it is recommended to disable legacy USB support. Select UEFI Setup Only to support USB devices under the UEFI setup and Windows/Linux operating systems only.

• Page 80: Trusted Computing

  4.6.8 Trusted Computing Security Device Support Enable or disable BIOS support for security device.

• Page 81
  ASRock Polychrome RGB Select LED lighting color. UEFI Tech Service Contact ASRock Tech Service if you are having trouble with your PC. Please setup network configuration before using UEFI Tech Service. Easy RAID Installer Easy RAID Installer helps you to copy the RAID driver from the support CD to your USB storage device.
• Page 82
  Internet Flash — DHCP (Auto IP), Auto ASRock Internet Flash downloads and updates the latest UEFI firmware version from our servers for you. Please setup network configuration before using Internet Flash. *For BIOS backup and recovery purpose, it is recommended to plug in your USB pen drive before using this function.
• Page 83
  Z490M Pro4 4.8 Hardware Health Event Monitoring Screen This section allows you to monitor the status of the hardware on your system, including the parameters of the CPU temperature, motherboard temperature, fan speed and voltage. Fan Tuning Measure Fan Min Duty Cycle. Fan-Tastic Tuning Select a fan mode for CPU Fan, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.
• Page 84
  CPU Fan 2 Control Mode Select DC/PWM mode for CPU Fan 2. CPU Fan 2 Setting Select a fan mode for CPU Fan, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature. CPU Fan 2 Temp Source Select a fan temperature source for CPU Fan 2.
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  Z490M Pro4 Chassis Fan 2 Setting Select a fan mode for Chassis Fan 2, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature. Chassis Fan 2 Temp Source Select a fan temperature source for Chassis Fan 2. Chassis Fan 2 Step Up Set the value of Chassis Fan 2 Step Up.
• Page 86
  Chassis Fan 4 Setting Select a fan mode for Chassis Fan 4, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature. Chassis Fan 4 Temp Source Select a fan temperature source for Chassis Fan 4. Chassis Fan 4 Step Up Set the value of Chassis Fan 4 Step Up.
• Page 87
  Z490M Pro4 4.9 Security Screen In this section you may set or change the supervisor/user password for the system. You may also clear the user password. Supervisor Password Set or change the password for the administrator account. Only the administrator has authority to change the settings in the UEFI Setup Utility.
• Page 88
  4.10 Boot Screen This section displays the available devices on your system for you to configure the boot settings and the boot priority. Boot Option Priorities USB Device BBS Priorities This page will show only when system install USB Storage. Fast Boot Fast Boot minimizes your computer’s boot time.
• Page 89
  Z490M Pro4 Boot Beep Select whether the Boot Beep should be turned on or off when the system boots up. Please note that a buzzer is needed. Full Screen Logo Enable to display the boot logo or disable to show normal POST messages. AddOn ROM Display Enable AddOn ROM Display to see the AddOn ROM messages or configure the AddOn ROM if you’ve enabled Full Screen Logo.
• Page 90
  execute both legacy and UEFI option ROM. Launch Storage OpROM Policy Select UEFI only to run those that support UEFI option ROM only. Select Legacy only to run those that support legacy option ROM only. Select Do not launch to not execute both legacy and UEFI option ROM.
• Page 91
  Z490M Pro4 4.11 Exit Screen Save Changes and Exit When you select this option the following message, “Save configuration changes and exit setup?” will pop out. Select [OK] to save changes and exit the UEFI SETUP UTILITY. Discard Changes and Exit When you select this option the following message, “Discard changes and exit setup?”…
• Page 92
  Contact Information If you need to contact ASRock or want to know more about ASRock, you’re welcome to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer for further information. For technical questions, please submit a support request form at https://event.asrock.com/tsd.asp…
• Page 93
  DECLARATION OF CONFORMITY Per FCC Part 2 Section 2.1077(a) Responsible Party Name: ASRock Incorporation 13848 Magnolia Ave, Chino, CA91710 Address: Phone/Fax No: +1-909-590-8308/+1-909-590-1026 hereby declares that the product Product Name : Motherboard Z490M Pro4 Model Number : Conforms to the following speci cations:…
• Page 94
  EU Declaration of Conformity For the following equipment: Motherboard (Product Name) Z490M Pro4 / ASRock (Model Designation / Trade Name) ASRock Incorporation (Manufacturer Name) 2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District, Taipei City 112, Taiwan (R.O.C.) (Manufacturer Address) EMC —Directive 2014/30/EU (from April 20th, 2016)