ASROCK Z590 Steel Legend User Manual
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ASROCK Z590 Steel Legend User Manual

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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.
  • 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 ES OF ANY KIND WHETHER UNDER THIS AGREEMENT OR OTHERWISE, EVEN IF INTEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. LICENSE TO USE COMMENTS AND SUGGESTIONS. This Agreement does NOT obligate Licensee to provide Intel with comments or suggestions regarding the Software. However, if Licensee provides Intel with comments or suggestions for the modification, correction, improvement or enhancement of (a) the Software or (b) Intel products or processes that work with the Software, Licensee grants to Intel a non-exclusive, worldwide,...

  • Page 5: Table Of Contents

    Contents Chapter 1 Introduction Package Contents Specifications Motherboard Layout I/O Panel Graphics Card Holder Chapter 2 Installation Installing the CPU Installing the CPU Fan and Heatsink Installing Memory Modules (DIMM) Expansion Slots (PCI Express Slots) Jumpers Setup Onboard Headers and Connectors Post Status Checker CrossFireX and Quad CrossFireX...
  • Page 6 Chapter 3 Software and Utilities Operation Installing Drivers ASRock Motherboard Utility (A-Tuning) 3.2.1 Installing ASRock Motherboard Utility (A-Tuning) 3.2.2 Using ASRock Motherboard Utility (A-Tuning) ASRock Live Update & APP Shop 3.3.1 UI Overview 3.3.2 Apps 3.3.3 BIOS & Drivers 3.3.4 Setting...
  • Page 7 4.6.4 Intel® Thunderbolt 4.6.5 Super IO Configuration 4.6.6 ACPI Configuration 4.6.7 USB Configuration 4.6.8 Trusted Computing Tools Hardware Health Event Monitoring Screen Security Screen 4.10 Boot Screen 4.11 Exit Screen...

  • Page 8: 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 9: Specifications

    Gen Intel® Core (i9/i7) support DDR4 up to 2933; Core (i5/i3), Pentium® and Celeron® support DDR4 up to 2666. * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/) • Supports ECC UDIMM memory modules (operate in non- ECC mode) • Max.
  • Page 10 Z590 Steel Legend Gen Intel® Core Processors Expansion Slot • 2 x PCI Express x16 Slots (PCIE1/PCIE3: single at Gen4x16 (PCIE1); dual at Gen4x16 (PCIE1) / Gen3x4 (PCIE3))* Gen Intel® Core Processors • 2 x PCI Express x16 Slots (PCIE1/PCIE3: single at Gen3x16 (PCIE1);...
  • Page 11 Audio • 7.1 CH HD Audio (Realtek ALC897 Audio Codec) • Supports Surge Protection • Gold Audio Jacks • 15μ Gold Audio Connector • Nahimic Audio • 2.5 Gigabit LAN 10/100/1000/2500 Mb/s • Dragon RTL8125BG • Supports Dragon 2.5G LAN Software - Smart Auto Adjust Bandwidth Control - Visual User Friendly UI - Visual Network Usage Statistics...
  • Page 12 Express module up to Gen3 x4 (32 Gb/s)** ** Supports Intel® Optane Technology ** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit Connector • 1 x SPI TPM Header • 1 x Power LED and Speaker Header • 2 x RGB LED Headers...
  • Page 13 • 1 x Front Panel Audio Connector (15μ Gold Audio Connec- tor) • 1 x Thunderbolt AIC Connector (5-pin) (Supports ASRock Thunderbolt 4 AIC Card) • 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) • 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
  • Page 14 Z590 Steel Legend * 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. Overclocking may affect your system’s stability, or even cause damage to the components and devices of your system.

  • Page 15: Motherboard Layout

    1.3 Motherboard Layout...
  • Page 16 Z590 Steel Legend No. Description 12V Power Connector (ATX12V1) 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/Water Pump Fan Connector (CPU_FAN2/WP) Addressable LED Header (ADDR_LED2) RGB LED Header (RGB_LED2) ATX Power Connector (ATXPWR1) Front Panel Type C USB 3.2 Gen2x2 Header (USB31_TC_2)

  • Page 17: I/O Panel

    1.4 I/O Panel No. Description No. Description USB 2.0 Ports (USB_1_2) Microphone (Pink) USB 3.2 Gen2 Type-A Port (USB31_TA_1) Optical SPDIF Out Port 2.5G LAN RJ-45 Port (Dragon RTL8125BG)* 10 USB 3.2 Gen1 Ports (USB3_12)*** Central / Bass (Orange) USB 3.2 Gen2 Type-C Port (USB31_TC_1) Rear Speaker (Black) DisplayPort 1.4 Line In (Light Blue)
  • Page 18 Z590 Steel Legend ** 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 Front Speaker Rear Speaker...

  • Page 19: Graphics Card Holder

    1.5 Graphics Card Holder Installing the Graphics Card Holder Before installing the Graphics Card Holder , please make sure that your motherboard is properly installed into a PC case. Step 1 Secure the Graphics Card Holder to the chassis with 2 screws. *There are two types of screws in the package.

  • Page 20: Chapter 2 Installation

    Z590 Steel Legend 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

    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. Otherwise, the CPU will be seriously damaged.
  • Page 22 Z590 Steel Legend...
  • Page 23 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

    Z590 Steel Legend 2.2 Installing the CPU Fan and Heatsink...

  • Page 25: Installing Memory Modules (Dimm)

    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 26 Z590 Steel Legend...

  • Page 27: Expansion Slots (Pci Express Slots)

    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 Z590 Steel Legend PCIe Slot Configurations Gen Intel® Core Processors: PCIE1 PCIE3 Single Graphics Card Gen4x16 Two Graphics Cards in Gen4x16 Gen3x4 CrossFireX Mode Gen Intel® Core Processors: PCIE1 PCIE3 Single Graphics Card Gen3x16 Two Graphics Cards in Gen3x16 Gen3x4...

  • Page 29: 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 Short: Clear CMOS (CLRMOS1) Open: Default 2-pin Jumper...

  • Page 30: Onboard Headers And Connectors

    Z590 Steel Legend 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 31 Serial ATA3 Connectors These six SATA3 Right Angle: connectors support SATA (SATA3_1: data cables for internal see p.8, No. 13) storage devices with up to (SATA3_2: 6.0 Gb/s data transfer rate. see p.8, No. 12) * If M2_2 is occupied by (SATA3_4: a SATA-type M.2 device, see p.8, No.
  • Page 32 Z590 Steel Legend Front Panel Type C USB There is one Front 3.2 Gen2x2 Header Panel Type C USB 3.2 (20-pin USB31_TC_2) Gen2x2 Header on this (see p.8, No. 9) motherboard. This header is used for connecting a USB 3.2 Gen2x2 module USB Type-C Cable for additional USB 3.2...
  • Page 33 (4-pin CHA_FAN5/WP) FAN_SPEED_CONTROL CHA_FAN_SPEED (see p.8, No. 16) FAN_VOLTAGE CPU Fan Connector This motherboard FAN_SPEED_CONTROL (4-pin CPU_FAN1) provides a 4-Pin CPU fan FAN_SPEED +12V (see p.8, No. 11) (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3.
  • Page 34 Z590 Steel Legend Thunderbolt AIC Please connect a Thunderbolt™ Connectors add-in card (AIC) to the (5-pin TB1) Thunderbolt AIC connector via (see p.8, No. 33) the GPIO cable. *Please install the Thunderbolt™ AIC card to PCIE3 (default slot). SPI TPM Header...
  • Page 35 Addressable LED Headers These two Addressable headers (3-pin ADDR_LED1) are used to connect Addressable (see p.8, No. 31) DO_ADDR LED extension cable which VOUT (3-pin ADDR_LED2) allows users to choose from (see p.8, No. 6) various LED lighting effects. Caution: Never install the Addressable LED cable in the wrong orientation;...

  • Page 36: Post Status Checker

    Z590 Steel Legend 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 storage is dysfunctional. The lights go off if the four mentioned above are functioning...

  • Page 37: 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 38 Z590 Steel Legend Step 3 Connect a VGA/DVI/DP/HDMI cable from the monitor to the corresponding port on the graphics card installed to the PCIE1 slot.

  • Page 39: 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 40: Wifi/Bt Module And Intel® Cnvi (Integrated Wifi/Bt) Installation Guide

    Z590 Steel Legend 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 41 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 42 Z590 Steel Legend 2.10 M.2_SSD (NGFF) Module Installation Guide (M2_1) 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 Hyper M.2 Sockets (M2_1) supports M Key type 2260/2280 M.2 PCI Express module up to Gen4x4 (64...
  • Page 43 Step 3 Before installing a M.2 (NGFF) SSD module, please loosen the screws to remove the M.2 heatsink. *Please remove the protective films on the bottom side of the M.2 heatsink before you install a M.2 SSD module. Step 4 Prepare the M.2 standoff that comes with the package.
  • Page 44 Z590 Steel Legend M.2_SSD (NGFF) Module Support List Vendor Interface ADATA PCIe3 x4 ASX7000NP-128GT-C ADATA PCIe3 x4 ASX8000NP-256GM-C ADATA PCIe3 x4 ASX7000NP-256GT-C ADATA PCIe3 x4 ASX8000NP-512GM-C ADATA PCIe3 x4 ASX7000NP-512GT-C Apacer PCIe3 x4 AP240GZ280 Corsair PCIe3 x4 CSSD-F240GBMP500 Intel PCIe3 x4...
  • Page 45 2.11 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 Sockets (M2_2) supports M Key type 2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s).
  • Page 46 Z590 Steel Legend 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.
  • Page 47 M.2_SSD (NGFF) Module Support List 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 PCIe3 x4 ASX8000NP-512GM-C ADATA PCIe3 x4 ASX7000NP-512GT-C Apacer PCIe3 x4...
  • Page 48 Z590 Steel Legend TEAM PCIe3 x4 TM8FP2240G0C101 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 SATA3 VSM100-240G-2280 V-Color SATA3 VLM100-240G-2280B-RD SATA3 WDS100T1B0B-00AS40 SATA3 WDS240G1G0B-00RC30 PCIe3 x4 WDS256G1X0C-00ENX0 (NVME)
  • Page 49 2.12 M.2_SSD (NGFF) Module Installation Guide (M2_3) 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_3) 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).
  • Page 50 Z590 Steel Legend Step 3 Before installing a M.2 (NGFF) SSD module, please loosen the screws to remove the M.2 heatsink. *Please remove the protective films on the bottom side of the M.2 heatsink before you install a M.2 SSD module.
  • Page 51 M.2_SSD (NGFF) Module Support List 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 PCIe3 x4 ASX8000NP-512GM-C ADATA PCIe3 x4 ASX7000NP-512GT-C Apacer PCIe3 x4...
  • Page 52 Z590 Steel Legend TEAM PCIe3 x4 TM8FP2240G0C101 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 SATA3 VSM100-240G-2280 V-Color SATA3 VLM100-240G-2280B-RD SATA3 WDS100T1B0B-00AS40 SATA3 WDS240G1G0B-00RC30 PCIe3 x4 WDS256G1X0C-00ENX0 (NVME)

  • Page 53: 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 54: 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)“...
  • Page 55 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 56 Settings Configure ASRock 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 57: 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 58: Apps

    Z590 Steel Legend 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 59 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.
  • Page 60 Z590 Steel Legend 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.

  • Page 61: 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 62: Setting

    Z590 Steel Legend 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 63: 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 64: Asrock Polychrome Sync

    Z590 Steel Legend 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 65 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 DO_ADDR VOUT ADDR_LED1 DO_ADDR VOUT 1. Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.
  • Page 66 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 67: 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 68: Ez Mode

    Z590 Steel Legend 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 69: 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 70: Navigation Keys

    Z590 Steel Legend 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 71: 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 72: Oc Tweaker Screen

    Z590 Steel Legend 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 73 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 integrated GPU. BCLK Frequency The CPU speed is determined by the CPU Ratio multiplied with the BCLK. Increas- ing the BCLK will increase the internal CPU clock speed but also affect the clock speed of other components.
  • Page 74 Z590 Steel Legend Intel Speed Shift Technology Enable/Disable Intel Speed Shift Technology support. Enabling will expose the CPPC v2 interface to allow for hardware controlled P-sates. Intel Turbo Boost Max Technology 3.0 Intel Turbo Boost Technology enables the processor to run above its base operating frequency when the operating system requests the highest performance state.
  • Page 75 System Agent Current Limit Configure the current limit of the system agent. A lower limit can protect the CPU and save power, while a higher limit may improve performance. GT Current Limit Configure the current limit of the GT slice. A lower limit can protect the CPU and save power, while a higher limit may improve performance.
  • Page 76 Z590 Steel Legend 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. Row Precharge: The number of clock cycles required between the issuing of the precharge command and opening the next row.
  • Page 77 Read to Precharge (tRTP) The number of clocks that are inserted between a read command to a row pre- charge command to the same rank. Four Activate Window (tFAW) The time window in which four activates are allowed the same rank. CAS Write Latency (tCWL) Configure CAS Write Latency.
  • Page 78 Z590 Steel Legend 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. tWRRD_dr Configure between module write to read delay.
  • Page 79 Initial RTL (A1 Rank2) Configure round trip latency initial value. Initial RTL (A2 Rank1) Configure round trip latency initial value. Initial RTL (A2 Rank2) Configure round trip latency initial value. Initial RTL (B1 Rank1) Configure round trip latency initial value. Initial RTL (B1 Rank2) Configure round trip latency initial value.
  • Page 80 Z590 Steel Legend Configure round trip latency. RTL (B2 Rank2) Configure round trip latency. 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.
  • Page 81 Configure the memory on die termination resistors' PARK for channel B2. Advanced Setting ASRock Timing Optimization Configure the fast path through the MRC. ASRock Second Timing Optimization Configure the second fast path through the MRC. Memory Training Mode Configure the Training Memory Mode.
  • Page 82 Z590 Steel Legend Configure the voltage for the integrated GPU. CPU GT Load-Line Calibration GT Load-Line Calibration helps prevent integrated GPU voltage droop when the system is under heavy load. VCCSA Voltage Configure the voltage for the VCCSA. VCCSA Load-Line Calibration VCCSA Load-Line Calibration helps prevent integrated VCCSA voltage droop when the system is under heavy load.
  • Page 83 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 84 Z590 Steel Legend 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 85: 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) Thunder- bolt, 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 86: Cpu Configuration

    Z590 Steel Legend 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.
  • Page 87 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. CPU Thermal Throttling Enable CPU internal thermal control mechanisms to keep the CPU from overheat- ing.

  • Page 88: Chipset Configuration

    Z590 Steel Legend 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®...
  • Page 89 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. PCI Express Native Control Select Enable for enhanced PCI Express power saving in OS.
  • Page 90 Z590 Steel Legend 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.

  • Page 91: 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 92: Intel® Thunderbolt

    Z590 Steel Legend 4.6.4 Intel® 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.

  • Page 93: Super Io Configuration

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

  • Page 94: Acpi Configuration

    Z590 Steel Legend 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 95: 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 96: Trusted Computing

    Z590 Steel Legend 4.6.8 Trusted Computing Security Device Support Enable or disable BIOS support for security device.

  • Page 97: Tools

    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 98 Intel MEI Flash Starts BIOS recovery flash. 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 99: Hardware Health Event Monitoring Screen

    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 100 Z590 Steel Legend CPU Fan 2 Control Mode Select DC/PWM mode for CPU Fan 2. CPU Fan 2 Setting Select a fan mode for CPU Fan 2, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.
  • Page 101 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 102 Z590 Steel Legend 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 103: Security Screen

    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 104: Boot Screen

    Z590 Steel Legend 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 105 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 106 Z590 Steel Legend only to run those that support legacy option ROM only. Select Do not launch to not 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.

  • Page 107: Exit Screen

    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 108 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 http://www.asrock.com/support/tsd.asp...
  • Page 109 13848 Magnolia Ave, Chino, CA91710 Phone/Fax No: +1-909-590-8308/+1-909-590-1026 hereby declares that the product Product Name : Motherboard Z590 Steel Legend 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 110 EU Declaration of Conformity For the following equipment: Motherboard (Product Name) Z590 Steel Legend / 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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