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Z490 Phantom Gaming 4/ac

Chapter  1  Introduction

Thank you for purchasing ASRock Z490 Phantom Gaming 4/ac 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 software and utilities. Chapter 4 contains the configuration guide of 
the BIOS setup.

1.1  Package Contents

• 

ASRock Z490 Phantom Gaming 4/ac Motherboard (ATX Form Factor)

• 

ASRock Z490 Phantom Gaming 4/ac Quick Installation Guide 

• 

ASRock Z490 Phantom Gaming 4/ac Support CD

• 

2 x Serial ATA (SATA) Data Cables (Optional)

• 

2 x ASRock WiFi 2.4/5 GHz Antennas (Optional)

• 

1

 x Screw for M.2 Socket (Optional)

• 

1 x I/O Panel Shield

Because the motherboard specifications and the BIOS software might be updated, the 
content of this documentation will be subject to change without notice. In case any 
modifications 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 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.

Summary of Contents for Z490 Phantom Gaming 4/ac

Page 1: ......

Page 2: ...d including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose In no event shall ASRock its directors officers employees or agents be liable...

Page 3: ...s 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 AS...

Page 4: ...alled 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...

Page 5: ...odules DIMM 17 2 4 Expansion Slots PCI Express Slots 19 2 5 Jumpers Setup 20 2 6 Onboard Headers and Connectors 21 2 7 Post Status Checker 27 2 8 CrossFireXTM and Quad CrossFireXTM Operation Guide 28...

Page 6: ...48 Chapter 4 UEFI SETUP UTILITY 51 4 1 Introduction 51 4 2 EZ Mode 52 4 3 Advanced Mode 53 4 3 1 UEFI Menu Bar 53 4 3 2 Navigation Keys 54 4 4 Main Screen 55 4 5 OC Tweaker Screen 56 4 6 Advanced Scr...

Page 7: ...4 6 8 Trusted Computing 81 4 7 Tools 82 4 8 Hardware Health Event Monitoring Screen 84 4 9 Security Screen 88 4 10 Boot Screen 89 4 11 Exit Screen 92...

Page 8: ......

Page 9: ...g 4 ac Motherboard ATX Form Factor ASRock Z490 Phantom Gaming 4 ac Quick Installation Guide ASRock Z490 Phantom Gaming 4 ac Support CD 2 x Serial ATA SATA Data Cables Optional 2 x ASRock WiFi 2 4 5 GH...

Page 10: ...2133 non ECC un buffered 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...

Page 11: ...olor Gamut Microsoft PlayReady 3 0 Intel SGX Content Protection UHD HDR Blu ray Disc Supports HDMI 1 4 with max resolution up to 4K x 2K 4096x2160 30Hz Supports Auto Lip Sync Deep Color 12bpc xvYCC an...

Page 12: ...rotection 2 x USB 2 0 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...

Page 13: ...peed Control The Chassis Water Pump Fan supports the water cooler fan of maximum 2A 24W fan power CPU_FAN2 WP CHA_FAN1 WP CHA_FAN2 WP CHA_ FAN3 WP and CHA_FAN4 WP can auto detect if 3 pin or 4 pin fan...

Page 14: ...le damage caused by overclocking For detailed product information please visit our website http www asrock com Hardware Monitor Temperature Sensing CPU CPU Water Pump Chassis Wa ter Pump Fans Fan Tach...

Page 15: ...9 11 SATA3_4 SATA3_5 SATA3_0 SATA3_1 SATA3_2 SATA3_3 CLRMOS1 1 M2_WIFI1 M2_WIFI_CT1 M2_2 C 6 C 5 C 4 T B1 1 2 PCIE5 T T T AUDIO CODEC SUPER I O USB3_5_6 1 14 21 23 24 25 28 22 4 3 CHA_FAN1 WP CHA_FAN2...

Page 16: ...P 13 SATA3 Connector SATA3_1 14 SATA3 Connector SATA3_0 15 SATA3 Connector SATA3_3 16 SATA3 Connector SATA3_2 17 Chassis Water Pump Fan Connector CHA_FAN4 WP 18 SPI TPM Header SPI_TPM_J1 19 Power LED...

Page 17: ...n Function of the Audio Ports in 7 1 channel Configuration Port Function Light Blue Rear panel Rear Speaker Out Lime Rear panel Front Speaker Out Pink Rear panel Central Subwoofer Speaker Out Lime Fro...

Page 18: ...connectivity standards and Bluetooth v5 0 WiFi BT module is an easy to use wireless local area network WLAN adapter to support WiFi BT Bluetooth v5 0 standard features Smart Ready technology that add...

Page 19: ...ennas 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 Anten...

Page 20: ...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...

Page 21: ...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 22: ...14 English 4 5 3...

Page 23: ...15 English 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: ...16 English 2 2 Installing the CPU Fan and Heatsink 1 2 C P U _ F A N...

Page 25: ...M if you force the DIMM into the slot at incorrect orientation Priority DDR4_A1 DDR4_A2 DDR4_B1 DDR4_B2 1 Populated Populated 2 Populated Populated Populated Populated 1 For dual channel configuration...

Page 26: ...18 English 1 2 3...

Page 27: ...E5 PCIe 3 0 x1 slot is used for PCI Express x1 lane width cards PCIe Slot Configurations For a better thermal environment please connect a chassis fan to the motherboard s chassis fan connector CHA_FA...

Page 28: ...and unplug the power cord from the power supply After waiting for 15 seconds use a jumper cap to short the pins on CLRMOS1 for 5 seconds However please do not clear the CMOS right after you update th...

Page 29: ...wer LED Connect to the power status indicator on the chassis front panel The LED is on when the system is operating The LED keeps blinking when the system is in S1 S3 sleep state The LED is off when t...

Page 30: ...ATA3 connectors support SATA data cables for internal storage devices with up to 6 0 Gb s data transfer rate If M2_2 is occupied by a SATA type M 2 device SATA3_1 will be disabled If M2_2 is occupied...

Page 31: ...you use an AC 97 audio panel please install it to the front panel audio header by the steps below A Connect Mic_IN MIC to MIC2_L B Connect Audio_R RIN to OUT2_R and Audio_L LIN to OUT2_L C Connect Gr...

Page 32: ...oler fan please connect it to Pin 1 3 CPU Fan Connector 4 pin CPU_FAN1 see p 7 No 5 GND FAN_VOLTAGE CPU_FAN_SPEED FAN_SPEED_CONTROL 1 2 3 4 This motherboard provides a 4 Pin CPU fan Quiet Fan connecto...

Page 33: ...RXD1 GND TTXD1 DDCD 1 1 RRI 1 This COM1 header supports a serial port module SPI TPM Header 13 pin SPI_TPM_J1 see p 6 No 18 1 SPI_DQ3 3 3V SPI_DQ2 SPI_CS0 TPM_Present CLK SPI_MISO SPI_MOSI GND SPI_TPM...

Page 34: ...wise the cable may be damaged Please refer to page 48 for further instructions on this header Addressable LED Headers 3 pin ADDR_LED1 see p 7 No 26 3 pin ADDR_LED2 see p 7 No 8 VOUT DO_ADDR GND 1 Thes...

Page 35: ...us 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...

Page 36: ...t bundled with this motherboard Please refer to your graphics card vendor for details 1 You should only use identical CrossFireXTM ready graphics cards that are AMD certified 2 Make sure that your gra...

Page 37: ...29 English 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: ...Step 4 Double click the AMD Catalyst Control Center icon in the Windows system tray Step 5 In the left pane click Performance and then AMD CrossFireXTM Then select Enable AMD CrossFireX and click Appl...

Page 39: ...mPCIe and mSATA The M 2 Socket Key E supports type 2230 WiFi BT module and Intel CNVi Integrated WiFi BT The M 2 socket does not support SATA M 2 SSDs Installing the WiFi BT module Step 1 Prepare a ty...

Page 40: ...or Intel CNVi Integrated WiFi BT into the M 2 slot Please be aware that the module only fits in one orientation A Step 4 Tighten the screw with a screwdriver to secure the module into place Please do...

Page 41: ...s module and M 2 PCI Express module up to Gen3 x4 32 Gb s If M2_2 is occupied by a SATA type M 2 device SATA3_1 will be disabled If M2_2 is occupied by a PCIe type M 2 device SATA3_0 will be disabled...

Page 42: ...d A B C Step 4 Peel off the yellow protective film on the nut to be used Hand tighten the standoff into the desired nut location on the motherboard A B C A B C 20o Step 6 Gently insert the M 2 NGFF SS...

Page 43: ...x4 SSDPEKKF512G7 Kingston SATA3 SM2280S3 Kingston PCIe3 x4 SKC1000 480G Kingston PCIe2 x4 SH2280S3 480G OCZ PCIe3 x4 RVD400 M2280 512G NVME PATRIOT PCIe3 x4 PH240GPM280SSDR NVME Plextor PCIe3 x4 PX 12...

Page 44: ...01 TEAM PCIe3 x4 TM8FP2480GC110 Transcend SATA3 TS256GMTS400 Transcend SATA3 TS512GMTS600 Transcend SATA3 TS512GMTS800 V Color SATA3 VLM100 120G 2280B RD V Color SATA3 VLM100 240G 2280RGB V Color SATA...

Page 45: ...led in your computer If the Main Menu does not appear automatically locate and double click on the file ASRSETUP EXE in the Support CD to display the menu Drivers Menu The drivers compatible to your s...

Page 46: ...SRock 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 Tu...

Page 47: ...39 English 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: ...ically shift to the next speed level when the assigned temperature is met Settings Configure ASRock Motherboard Utility Phantom Gaming Tuning Click to select Auto run at Windows Startup if you want AS...

Page 49: ...ck 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 The category panel contains several cate...

Page 50: ...e left side of the screen The other various apps are shown on the right Please scroll up and down to see more apps listed You can check the price of the app and whether you have already intalled it or...

Page 51: ...tall 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 t...

Page 52: ...s 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 det...

Page 53: ...s 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 detail...

Page 54: ...46 English 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: ...off restores the current profile to its default settings and access Surround Sound and various features 2 Microphone From this tab you can mute the current mic device choose between two factory mic pr...

Page 56: ...he LED Strip Connect your RGB LED strips to the RGB LED Headers RGB_LED1 RGB_LED2 on the motherboard 1 Never install the RGB LED cable in the wrong orientation otherwise the cable may be damaged 2 Bef...

Page 57: ...ientation otherwise the cable may be damaged 2 Before installing or removing your RGB LED cable please power off your system and unplug the power cord from the power supply Failure to do so may cause...

Page 58: ...me SYNC Utility Download this utility from the ASRock Live Update APP Shop and start coloring your PC style your way Toggle on off the RGB LED switch Sync RGB LED effects for all LED regions of the mo...

Page 59: ...ower On Self Test POST will continue with its test routines If you wish to enter the UEFI SETUP UTILITY after POST restart the system by pressing Ctl Alt Delete or by pressing the reset button on the...

Page 60: ...tatus You can check the most crucial information of your system such as CPU speed DRAM frequency SATA information fan speed etc Press F6 or click the Advanced Mode button at the upper right corner of...

Page 61: ...upper right corner of the screen 4 3 1 UEFI Menu Bar The top of the screen has a menu bar with the following selections Main For setting system time date information OC Tweaker For overclocking config...

Page 62: ...each navigation key Navigation Key s Description To change option for the selected items Tab Switch to next function PGUP Go to the previous page PGDN Go to the next page HOME Go to the top of the sc...

Page 63: ...FI SETUP UTILITY the Main screen will appear and display the system overview My Favorite Display your collection of BIOS items Press F5 to add remove your favorite items The availability and location...

Page 64: ...ase note that overclocking may cause damage to your CPU and motherboard It should be done at your own risk and expense Load Optimized GPU OC Setting You can use this option to load optimized GPU overc...

Page 65: ...tio to ensure maximum possible ratio for SSE workloads CPU Cache Ratio The CPU Internal Bus Speed Ratio The maximum should be the same as the CPU Ratio GT Frequency Configure the frequency of the inte...

Page 66: ...U Tj Max to adjust TCC Target Temperature Default setting is 105 C Long Duration Power Limit Configure Package Power Limit 1 in watts When the limit is exceeded the CPU ratio will be lowered after a p...

Page 67: ...ary 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 c...

Page 68: ...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 Read to...

Page 69: ...onfigure 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...

Page 70: ...g 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 l...

Page 71: ...ult 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 cha...

Page 72: ...ving 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 Default is 53 fo...

Page 73: ...tWRtRTP for Memory MRS MRC MRS tCWL 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 t...

Page 74: ...under heavy loading 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...

Page 75: ...quency under Ln2 cooling For Example 1 0575V 1 1625V will be proper value But the voltage level will be different on each processor User has to find the best value for your own processor VCCPLL Voltag...

Page 76: ...oad 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 previo...

Page 77: ...tup Style Select the default mode when entering the UEFI setup utility Active Page on Entry Select the default page when entering the UEFI setup utility Full HD UEFI When Auto is selected the resoluti...

Page 78: ...h processor package CPU C States Support Enable CPU C States Support for power saving It is recommended to keep C3 C6 C7 and C10 all enabled for better power saving Enhanced Halt State C1E Enable Enha...

Page 79: ...ing Intel Virtualization Technology Intel Virtualization Technology allows a platform to run multiple operating systems and applications in independent partitions so that one computer system can func...

Page 80: ...rected 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...

Page 81: ...IE devices DMI ASPM Support This option enables disables the control of ASPM on CPU side of the DMI Link PCH DMI ASPM Support This option enables disables the ASPM support for all PCH DMI devices Shar...

Page 82: ...ble disable the Bluetooth connectivity Deep Sleep Configure deep sleep mode for power saving when the computer is shut down Restore on AC Power Loss Select the power state after a power failure If Pow...

Page 83: ...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 It is only sup...

Page 84: ...nderbolt 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 Security Level Thi...

Page 85: ...77 English 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: ...English 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 Au...

Page 87: ...Devices Power On Allow the system to be waked up by a PCIE device and enable wake on LAN I219 LAN Power On Allow the system to be waked up by the Onboard Intel LAN RTC Alarm Power On Allow the system...

Page 88: ...ounter 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 XHCI Hand of...

Page 89: ...81 English Z490 Phantom Gaming 4 ac 4 6 8 Trusted Computing Security Device Support Enable or disable BIOS support for security device...

Page 90: ...D driver from the support CD to your USB storage device After copying the drivers please change the SATA mode to RAID then you can start installing the operating system in RAID mode SSD Secure Erase T...

Page 91: ...work 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 Network Configuration Use this to configu...

Page 92: ...n 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 CPU Fan 1 Setting Select a fan mode for CPU Fan 1 or...

Page 93: ...N1 W_PUMP Switch Select Chassis Fan 1 or Water Pump mode Chassis Fan 1 Control Mode Select PWM mode or DC mode for Chassis Fan 1 Chassis Fan 1 Setting Select a fan mode for Chassis Fan 1 or choose Cus...

Page 94: ...Chassis Fan 3 or Water Pump mode Chassis Fan 3 Control Mode Select PWM mode or DC mode for Chassis Fan 3 Chassis Fan 3 Setting Select a fan mode for Chassis Fan 3 or choose Customize to set 5 CPU tem...

Page 95: ...hoose 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 t...

Page 96: ...change the settings in the UEFI Setup Utility Leave it blank and press enter to remove the password User Password Set or change the password for the user account Users are unable to change the settin...

Page 97: ...hics card Please notice that Ultra Fast mode will boot so fast that the only way to enter this UEFI Setup Utility is to Clear CMOS or run the Restart to UEFI utility in Windows Boot From Onboard LAN A...

Page 98: ...f times the system automatically restores the default settings CSM Compatibility Support Module CSM Enable to launch the Compatibility Support Module Please do not disable unless you re running a WHCK...

Page 99: ...nly 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 o...

Page 100: ...the following message Discard changes and exit setup will pop out Select OK to exit the UEFI SETUP UTILITY without saving any changes Discard Changes When you select this option the following message...

Page 101: ...For technical questions please submit a support request form at https event asrock com tsd asp ASRock Incorporation 2F No 37 Sec 2 Jhongyang S Rd Beitou District Taipei City 112 Taiwan R O C ASRock E...

Page 102: ...onforms to the following specifications FCCPart15 SubpartB Unintentional Radiators Supplementary Information This device complies with part 15 of the FCC Rules Operation is subject to the following tw...

Page 103: ...Address Person responsible for making this declaration Name Surname A V P Position Title May 15 2020 Date P N 15G062202201AK V1 1 EMC Directive 2014 30 EU from April 20th 2016 EN 55022 2010 AC 2011 C...

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