ASROCK Z490 Phantom Gaming 4/ac User Manual
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ASROCK Z490 Phantom Gaming 4/ac User Manual

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Summary of Contents for ASROCK Z490 Phantom Gaming 4/ac

  • 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.
  • Page 3 If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply) The terms HDMI®...
  • Page 4 CE Warning This device complies with directive 2014/53/EU issued by the Commision of the European Community. This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator &...

  • Page 5: Table Of Contents

    Chapter 1 Introduction Package Contents Specifications Motherboard Layout I/O Panel WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas 10 Chapter 2 Installation Installing the CPU Installing the CPU Fan and Heatsink Installing Memory Modules (DIMM) Expansion Slots (PCI Express Slots)
  • Page 6 ASRock Motherboard Utility (Phantom Gaming Tuning) 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...
  • Page 7 4.6.8 Trusted Computing Tools Hardware Health Event Monitoring Screen Security Screen 4.10 Boot Screen 4.11 Exit Screen...

  • Page 9: 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 10: Specifications

    • 4 x DDR4 DIMM Slots • Supports DDR4 4400+(OC)*/4333(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.
  • Page 11 Z490 Phantom Gaming 4/ac 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.
  • Page 12 • 1 x Ultra M.2 Socket (M2_2), supports M Key type 2260/2280/22110 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 13 • 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) • 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection) • 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
  • Page 14 • ErP/EuP ready (ErP/EuP ready power supply is required) * 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 15: Motherboard Layout

    Z490 Phantom Gaming 4/ac 1.3 Motherboard Layout CPU_FAN1 CPU_FAN2/WP ATX12V2 ATX12V1 ADDR_LED2 RGB_LED2 BOOT DRAM USB 3.2 Gen2 T:USB31_TA_1 B: USB31_TC_1 USB 3.2 Gen1 Top: T: USB3_1 RJ-45 B: USB3_2 CHA_FAN2/WP PCIE1 Z490 PHANTOM GAMING 4/ac PCIE2 SUPER WiFi-802.11ac M2_WIFI_CT1...
  • Page 16 No. Description ATX 12V Power Connector (ATX12V1) ATX 12V Power Connector (ATX12V2) 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) CPU Fan Connector (CPU_FAN1) CPU/Water Pump Fan Connector (CPU_FAN2/WP) RGB LED Header (RGB_LED2) Addressable LED Header (ADDR_LED2) Post Status Checker (PSC) ATX Power Connector (ATXPWR1)

  • Page 17: I/O Panel

    Z490 Phantom Gaming 4/ac 1.4 I/O Panel No. Description No. Description USB 2.0 Ports (USB_1_2) USB 3.2 Gen1 Ports (USB3_1_2) USB 3.2 Gen2 Type-A Port (USB31_TA_1) USB 3.2 Gen2 Type-C Port (USB31_TC_1) LAN RJ-45 Port* Antenna Ports Line In (Light Blue)**...

  • Page 18: Wifi-802.11Ac Module And Asrock Wifi 2.4/5 Ghz Antennas

    1.5 WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz Antennas WiFi-802.11ac + BT Module This motherboard comes with an exclusive WiFi 802.11 a/b/g/n/ac + BT v5.0 module that offers support for WiFi 802.11 a/b/g/n/ac connectivity standards and Bluetooth v5.0. WiFi + BT module is an easy-to-use wireless local area network (WLAN) adapter to support WiFi + BT.
  • Page 19 Z490 Phantom Gaming 4/ac 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.

  • Page 20: Chapter 2 Installation

    Chapter 2 Installation This is an 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 21: Installing The Cpu

    Z490 Phantom Gaming 4/ac 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 23 Z490 Phantom Gaming 4/ac 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 24: Installing The Cpu Fan And Heatsink

    2.2 Installing the CPU Fan and Heatsink...

  • Page 25: Installing Memory Modules (Dimm)

    Z490 Phantom Gaming 4/ac 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.

  • Page 27: Expansion Slots (Pci Express Slots)

    Z490 Phantom Gaming 4/ac 2.4 Expansion Slots (PCI Express Slots) There are 5 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 28: 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 29: Onboard Headers And Connectors

    Z490 Phantom Gaming 4/ac 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.
  • Page 30 Power LED and Speaker Please connect the SPEAKER DUMMY Header chassis power LED and DUMMY (7-pin SPK_PLED1) the chassis speaker to this (see p.7, No. 19) header. PLED+ PLED+ PLED- Serial ATA3 Connectors These six SATA3 (SATA3_0: connectors support SATA see p.7, No.
  • Page 31 Z490 Phantom Gaming 4/ac USB 3.2 Gen1 Headers There are two headers on Vbus Vbus Vbus IntA_PB_SSRX- (19-pin USB3_3_4) this motherboard. Each IntA_PB_SSRX+ IntA_PA_SSRX- IntA_PA_SSRX+ (see p.7, No. 11) USB 3.2 Gen1 header can IntA_PB_SSTX- IntA_PA_SSTX- IntA_PB_SSTX+ (19-pin USB3_5_6) support two ports.
  • Page 32 Chassis/Water Pump Fan This motherboard provides Connectors three 4-Pin water cooling FAN_VOLTAGE (4-pin CHA_FAN1/WP) CHA_FAN_SPEED chassis fan connectors. If FAN_SPEED_CONTROL (see p.7, No. 12) you plan to connect a 3-Pin chassis water cooler fan, FAN_SPEED_CONTROL (4-pin CHA_FAN2/WP) CHA_FAN_SPEED please connect it to Pin 1-3. FAN_VOLTAGE (see p.7, No.
  • Page 33 Z490 Phantom Gaming 4/ac ATX 12V Power This motherboard provides Connector an 8-pin ATX 12V power (8-pin ATX12V1) connector. To use a 4-pin (see p.7, No. 1) ATX power supply, please plug it along Pin 1 and Pin ATX 12V Power...
  • Page 34 RGB LED Headers RGB headers are used to connect (4-pin RGB_LED1) RGB LED extension cables which 12V G R (see p.7, No. 29) allow users to choose from various LED lighting effects. Caution: Never install the (4-pin RGB_LED2) RGB LED cable in the wrong (see p.7, No.

  • Page 35: Post Status Checker

    Z490 Phantom Gaming 4/ac 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...

  • Page 36: Tm Operation Guide

    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.
  • Page 37 Z490 Phantom Gaming 4/ac 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 PCIE2 slot.

  • Page 38: Driver Installation And Setup

    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 39: Wifi/Bt Module And Intel® Cnvi (Integrated Wifi/Bt) Installation Guide

    Z490 Phantom Gaming 4/ac 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 40 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 41 Z490 Phantom Gaming 4/ac 2.10 M.2_SSD (NGFF) Module Installation Guide (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 Socket (M2_2) supports M Key type 2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2...
  • Page 42 Step 3 Move the standoff based on the module type and length. The standoff is placed at the nut location B by default. Skip Step 3 and 4 and go straight to Step 5 if you are going to use the default nut. Otherwise, release the standoff by hand.
  • Page 43 Z490 Phantom Gaming 4/ac M.2_SSD (NGFF) Module Support List (M2_2) Vendor Interface ADATA SATA3 AXNS330E-32GM-B ADATA SATA3 AXNS381E-128GM-B ADATA SATA3 AXNS381E-256GM-B ADATA SATA3 ASU800NS38-256GT-C ADATA SATA3 ASU800NS38-512GT-C ADATA PCIe3 x4 ASX7000NP-128GT-C ADATA PCIe3 x4 ASX8000NP-256GM-C ADATA PCIe3 x4 ASX7000NP-256GT-C ADATA...
  • Page 44 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 PCIe3 x4 WDS256G1X0C-00ENX0 (NVME) PCIe3 x4 WDS512G1X0C-00ENX0 (NVME) For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: http://www.asrock.com...

  • Page 45: Chapter 3 Software And Utilities Operation

    Z490 Phantom Gaming 4/ac 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 46: Asrock Motherboard Utility (Phantom Gaming Tuning)

    Gaming Tuning) ASRock Motherboard Utility (Phantom Gaming Tuning) can be downloaded from ASRock Live Update & APP Shop. After the installation, you will find the icon “AS- Rock Motherboard Utility (Phantom Gaming Tuning)“ on your desktop. Double- click the “ASRock Motherboard Utility (Phantom Gaming Tuning)“...
  • Page 47 Z490 Phantom Gaming 4/ac OC Tweaker Configurations for overclocking the system. System Info View information about the system. *The System Browser tab may not appear for certain models.
  • Page 48 Settings Configure ASRock Motherboard Utility (Phantom Gaming Tuning). Click to select "Auto run at Windows Startup" if you want ASRock Motherboard Utility (Phantom Gaming Tuning) to be launched when you start up the Windows operating system.

  • Page 49: 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 50: Apps

    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.
  • Page 51 Z490 Phantom Gaming 4/ac 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...
  • Page 52 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. Step 2 Click on the yellow icon to start upgrading.

  • Page 53: Bios & Drivers

    Z490 Phantom Gaming 4/ac 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.

  • Page 54: Setting

    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 55: Nahimic Audio

    Z490 Phantom Gaming 4/ac 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.

  • Page 56: Asrock Polychrome Sync

    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 57 Z490 Phantom Gaming 4/ac 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_LED2 B OOT CP U DRAM VG A ADDR_LED1 Z 490 PHANTOM GAMING 4/ac...
  • Page 58 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 59: Chapter 4 Uefi Setup Utility

    Z490 Phantom Gaming 4/ac 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 60: Ez Mode

    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 61: Advanced Mode

    Z490 Phantom Gaming 4/ac 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 62: Navigation Keys

    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 63: Main Screen

    Z490 Phantom Gaming 4/ac 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.

  • Page 64: Oc Tweaker Screen

    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.
  • Page 65 Z490 Phantom Gaming 4/ac CPU Configuration Multi Core Enhancement Improve the system's performance by forcing the CPU to perform the highest frequency on all CPU cores simultaneously. Disable to reduce power consumption. CPU Ratio The CPU speed is determined by the CPU Ratio multiplied with the BCLK.
  • Page 66 cies and voltage points for better power saving and heat dissipation. Intel Turbo Boost Technology Intel Turbo Boost Technology enables the processor to run above its base operating frequency when the operating system requests the highest performance state. Intel Thermal Velocity Boost Ratio Clipping This service controls Core frequency reduction caused by high package tempera- tures for processors that implement the Intel Thermal Velocity Boost (TVB) feature.
  • Page 67 DRAM Clock Choose a frequency to override to clock delay for memory training. DRAM Clock controls memory training only if ASRock Timing Optimization is disabled. Primary Timing CAS# Latency (tCL) The time between sending a column address to the memory and the beginning of the data in response.
  • Page 68 before an active bank can be precharged. Refresh Cycle Time (tRFC) The number of clocks from a Refresh command until the first Activate command to the same rank. RAS to RAS Delay (tRRD_L) The number of clocks between two rows activated in different banks of the same rank.
  • Page 69 Z490 Phantom Gaming 4/ac Turn Around Timing tRDRD_sg Configure between module read to read delay. tRDRD_dg Configure between module read to read delay. tRDRD_dr Configure between module read to read delay. tRDRD_dd Configure between module read to read delay. tRDWR_sg Configure between module read to write delay.
  • Page 70 tWRWR_dg Configure between module write to write delay. tWRWR_dr Configure between module write to write delay. tWRWR_dd Configure between module write to write delay. Round Trip Timing RTL Init Value Configure round trip latency init value for round trip latency training. IOL Init Value Configure IO latency init value for IO latency training.
  • Page 71 Z490 Phantom Gaming 4/ac ODT Setting ODT WR (A1) Configure the memory on die termination resistors' WR for channel A1. ODT WR (A2) Configure the memory on die termination resistors' WR for channel A2. ODT WR (B1) Configure the memory on die termination resistors' WR for channel B1.
  • Page 72 RCOMP1: DQ /CLK Ron (Drive Strength) Default is 75. RCOMP2: CMD/CTL Ron (Drive Strength) Default is 100. DQ ODT Driving Adjust ODT Driving for better signal. Default is 60. DQ Driving Adjust DQ Driving for better signal. Default is 26. Command Driving Adjust Command Driving for better signal.
  • Page 73 Z490 Phantom Gaming 4/ac Dll Bandwidth 2 Configure Dll Bandwidth 2 (1600 MHz) to maximize the performance of intergrated memory controller. Dll Bandwidth 3 Configure Dll Bandwidth 3 (1867 MHz) to maximize the performance of intergrated memory controller. MRS Setting MRS tCL Configure the tCL for Memory MRS MR0.
  • Page 74 MRC Fast Boot Enable Memory Fast Boot to skip DRAM memory training for booting faster. Voltage Configuration CPU V/F Curve Configure CPU Voltage/Frequency Curve. CPU Core/Cache Voltage Input voltage for the processor by the external voltage refulator. CPU Load-Line Calibration CPU Load-Line Calibration helps prevent CPU voltage droop when the system is under heavy loading.
  • Page 75 Z490 Phantom Gaming 4/ac PLL Voltage Configuration CPU Internal PLL Voltage Default is 0.900V. Each step is 0.0175V. Adding 9~15 steps will help CPU PLL to lock internal clock during High frequency under Ln2 cooling. For Example: 1.0575V ~ 1.1625V will be proper value. But the voltage level will be different on each processor.
  • Page 76 Load User Default Load previously saved user defaults. Save User UEFI Setup Profile to Disk It helps you to save current UEFI settings as an user profile to disk. Load User UEFI Setup Profile from Disk You can load previous saved profile from the disk.

  • Page 77: Advanced Screen

    Z490 Phantom Gaming 4/ac 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.

  • Page 78: Cpu Configuration

    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.
  • Page 79 Z490 Phantom Gaming 4/ac 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.

  • Page 80: Chipset Configuration

    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 81 Z490 Phantom Gaming 4/ac PCIE2 Link Speed Select the link speed for PCIE2. PCIE3 Link Speed Select the link speed for PCIE3. PCIE4 Link Speed Select the link speed for PCIE4. PCIE5 Link Speed Select the link speed for PCIE5.
  • Page 82 automatically disable it when a sound card is installed. Front Panel Enable/disable front panel HD audio. 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.

  • Page 83: Storage Configuration

    Z490 Phantom Gaming 4/ac 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 84: Intel(R) Thunderbolt

    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.
  • Page 85 Z490 Phantom Gaming 4/ac Windows 10 Thunderbolt support Specify Windows 10 Thunderbolt support level. Disabled: No OS native support. Enabled: OS Native support only. no RTD3.

  • Page 86: Super Io Configuration

    4.6.5 Super IO Configuration Serial Port Enable or disable the Serial port. Serial Port Address Select the address of the Serial port. PS2 Y-Cable Enable the PS2 Y-Cable or set this option to Auto.

  • Page 87: Acpi Configuration

    Z490 Phantom Gaming 4/ac 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.

  • Page 88: Usb Configuration

    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 89 Z490 Phantom Gaming 4/ac 4.6.8 Trusted Computing Security Device Support Enable or disable BIOS support for security device.
  • Page 90 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 91 Z490 Phantom Gaming 4/ac 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 92 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 93 Z490 Phantom Gaming 4/ac 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.
  • Page 94 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 95 Z490 Phantom Gaming 4/ac 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.
  • Page 96 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. Leave it blank and press enter to remove the password.
  • Page 97 Z490 Phantom Gaming 4/ac 4.10 Boot Screen This section displays the available devices on your system for you to configure the boot settings and the boot priority. Fast Boot Fast Boot minimizes your computer's boot time. In fast mode you may not boot from an USB storage device.
  • Page 98 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. Disable for faster boot speed. Boot Failure Guard Message If the computer fails to boot for a number of times the system automatically restores the default settings.
  • Page 99 Z490 Phantom Gaming 4/ac only to run those that support legacy option ROM only. Select Do not launch to not execute both legacy and UEFI option ROM. Other PCI Device ROM Priority For PCI devices other than Network. Mass storage or Video defines which OpROM...
  • Page 100 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 101 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 102 13848 Magnolia Ave, Chino, CA91710 Phone/Fax No: +1-909-590-8308/+1-909-590-1026 hereby declares that the product Product Name : Motherboard Z490 Phantom Gaming 4/ac Model Number : Conforms to the following speci cations: FCC Part 15, Subpart B, Unintentional Radiators Supplementary Information: is device complies with part 15 of the FCC Rules. Operation is subject to the...
  • Page 103 EU Declaration of Conformity For the following equipment: Motherboard (Product Name) Z490 Phantom Gaming 4/ac / 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)

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