Version 1.0 Published January 2019 Copyright©2019 ASRock INC. All rights reserved. Copyright Notice: No part of this documentation may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc.
AUSTRALIA ONLY Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage caused by our goods. 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 ASRock Tel : +886-2-28965588 ext.
Contents Chapter 1 Introduction 1 1.1 Package Contents 1 1.2 Specifications 2 1.3 Motherboard Layout 7 1.4 I/O Panel 9 Chapter 2 Installation 11 2.1 Installing the CPU 12 2.2 Installing the CPU Fan and Heatsink 14 2.3 Installing Memory Modules (DIMM) 22 2.4 Expansion Slots (PCI Express Slots) 26 2.5 Jumpers Setup 27 2.6 Onboard Headers and Connectors 28 2.7 CrossFireX TM and Quad CrossFireX TM Operation Guide 33 2.7.
3.3 ASRock Live Update & APP Shop 46 3.3.1 UI Overview 46 3.3.2 Apps 47 3.3.3 BIOS & Drivers 50 3.3.4 Setting 51 3.4 52 ASRock Polychrome RGB Chapter 4 UEFI SETUP UTILITY 55 4.1 Introduction 55 4.1.1 UEFI Menu Bar 55 4.1.2 Navigation Keys 56 4.2 Main Screen 57 4.3 OC Tweaker Screen 58 4.4 Advanced Screen 61 4.4.1 CPU Configuration 62 4.4.2 North Bridge Configuration 63 4.4.3 South Bridge Configuration 64 4.4.4 Storage Configuration 65 4.4.
4.7 Security Screen 83 4.8 Boot Screen 84 4.
B450M Steel Legend Chapter 1 Introduction Thank you for purchasing ASRock B450M Steel Legend 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 manual, 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.
1.
B450M Steel Legend Expansion Slot AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge) • 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)* • 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) AMD Ryzen series CPUs (Picasso, Raven Ridge) • 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)* • 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) AMD Athlon series CPUs • 1 x PCI Express 3.0 x16 Slot (PCIE2: x4 mode)* • 1 x PCI Express 2.
Audio • 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec) • • • • • • Premium Blu-ray Audio support Supports Surge Protection Nichicon Fine Gold Series Audio Caps PCB Isolate Shielding Individual PCB Layers for R/L Audio Channel Gold Audio Jacks LAN • • • • • • PCIE x1 Gigabit LAN 10/100/1000 Mb/s Realtek RTL8111H Supports Wake-On-LAN Supports Lightning/ESD Protection Supports Energy Efficient Ethernet 802.
B450M Steel Legend • 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module** ** Supports NVMe SSD as boot disks ** Supports ASRock U.
BIOS Feature • • • • • • AMI UEFI Legal BIOS with multilingual GUI support Supports “Plug and Play” ACPI 5.1 compliance wake up events Supports jumperfree SMBIOS 2.
B450M Steel Legend 1.3 Motherboard Layout 1 5 4 3 2 6 PS2 Keyboard/ Mouse 1 AMD_FAN_LED1 USB 2.0 T: USB1 B: USB2 CPU_FAN2/WP CPU_FAN1 USB3_56 RoHS AMD Promontory B450 Ultra M.
No. Description English 8 1 ATX 12V Power Connector (ATX12V1) 2 CPU/Water Pump Fan Connector (CPU_FAN2/WP) 3 CPU Fan Connector (CPU_FAN1) 4 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 5 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) 6 AMD Fan LED Header (AMD_FAN_LED1) 7 ATX Power Connector (ATXPWR1) 8 USB 3.
B450M Steel Legend 1.4 I/O Panel 1 15 2 14 13 12 11 9 3 4 5 6 8 7 10 No. Description 1 USB 2.0 Ports (USB_1_2)* 9 USB 3.1 Gen2 Type-A Port (USB31_TA_1) 2 LAN RJ-45 Port** 10 USB 3.1 Gen2 Type-C Port (USB31_TC_1) 3 Central / Bass (Orange) 11 USB 3.1 Gen1 Ports (USB3_12) 4 Rear Speaker (Black) 12 USB 3.1 Gen1 Ports (USB3_34) 5 Line In (Light Blue) 13 HDMI Port 6 Front Speaker (Lime)*** 14 DisplayPort 1.
* Please note that the USB_1 and USB_2 consume auxiliary power (+5VSB) while the other USB ports consume DUAL Power (+5VDUAL). The USB_1 and USB_2 are optimal for connecting the USB Type speaker and headset. ** There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
B450M Steel Legend 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. English • Make sure to unplug the power cord before installing or removing the motherboard.
2.1 Installing the CPU Unplug all power cables before installing the CPU.
B450M Steel Legend English 3 13
2.2 Installing the CPU Fan and Heatsink After you install the CPU into this motherboard, it is necessary to install a larger heatsink and cooling fan to dissipate heat. You also need to spray thermal grease between the CPU and the heatsink to improve heat dissipation. Make sure that the CPU and the heatsink are securely fastened and in good contact with each other. Please turn off the power or remove the power cord before changing a CPU or heatsink.
B450M Steel Legend 3 4 CP U_ FA N1 English 4-pin FAN cable 15
Installing the AM4 Box Cooler SR2 1 2 English 16
B450M Steel Legend English 3 17
4 CP U_ FA N 1 4-pin FAN cable 5 4-pin FAN cable CP U_ F AN 1 RGB LED Cable +12V FAN D_ AM _L E D1 English *The diagram shown here are for reference only. Please refer to page 31 for the orientation of AMD Fan LED Header (AMD_FAN_LED1).
B450M Steel Legend Installing the AM4 Box Cooler SR3 1 English 2 19
3 4 English 20
B450M Steel Legend 5 CP U_ FA N1 4-pin FAN cable US B USB 2.0 Header Please note that this connector is the interface to the LED control board on the SR3, it requires the AMD utility "SR3 Settings Software" to control the LED. *The diagram shown here are for reference only. Please refer to page 28 for the orientation of USB Header.
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. It is unable to activate Dual Channel Memory Technology with only one or three memory module installed. 3.
B450M Steel Legend Ryzen Series CPUs (Pinnacle Ridge): UDIMM Memory Slot A1 A2 B1 B2 Frequency (Mhz) - SR - - 2933 - DR - - 2933 - SR - SR 2933 - DR - DR 2933 SR SR SR SR 2933 SR/DR DR SR/DR DR 2667 SR/DR SR/DR SR/DR SR/DR 2133-2400 UDIMM Memory Slot A1 A2 B1 B2 Frequency (Mhz) - SR - - 2933 - DR - - 2667 - SR - SR 2667 - DR - DR 2400 SR SR SR SR 2133 SR/DR DR SR/DR DR 1866 SR/DR SR/DR SR/DR SR/DR 1866 English Ryzen Series CPU
Ryzen Series CPUs (Summit Ridge): UDIMM Memory Slot A1 A2 B1 B2 Frequency (Mhz) - SR - - 2667 - DR - - 2667 - SR - SR 2667 - DR - DR 2667 SR SR SR SR 2667 SR/DR DR SR/DR DR 2667 SR/DR SR/DR SR/DR SR/DR 2133-2400 Ryzen Series CPUs (Raven Ridge): UDIMM Memory Slot A1 A2 B1 B2 Frequency (Mhz) - SR - - 2933 - DR - - 2667 - SR - SR 2667 - DR - DR 2667 SR SR SR SR 2667 SR/DR DR SR/DR DR 2667 SR/DR SR/DR SR/DR SR/DR 2133-2400 SR: Singl
B450M Steel Legend The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.
2.4 Expansion Slots (PCI Express Slots) There are 3 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. PCIe slots: PCIE1 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE2 (PCIe 3.
B450M Steel Legend 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 (CLRCMOS1) (see p.7, No. 18) 2-pin Jumper Short: Clear CMOS Open: Default CLRCMOS1 allows you to clear the data in CMOS. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord from the power supply.
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 (9-pin PANEL1) (see p.7, No. 13) PLED+ PLEDPWRBTN# GND 1 GND RESET# GND HDLEDHDLED+ Connect the power switch, reset switch and system status indicator on the chassis to this header according to the pin assignments below.
B450M Steel Legend Power LED and Speaker Header (7-pin SPK_PLED1) (see p.7, No. 14) SPEAKER DUMMY DUMMY +5V 1 Please connect the chassis power LED and the chassis speaker to this header. USB 2.0 Headers (9-pin USB_3_4) (see p.7, No. 20) (9-pin USB_5_6) (see p.7, No. 19) USB 3.1 Gen1 Header (19-pin USB3_56) (see p.7 or 8, No. 8) SATA3_2 SATA3_4 Serial ATA3 Connectors (SATA3_1: see p.7, No. 12) (SATA3_2: see p.7, No. 11) (SATA3_3: see p.7, No. 9) (SATA3_4: see p.7, No.
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. Connect Mic_IN (MIC) to MIC2_L. B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L. C. Connect Ground (GND) to Ground (GND). D. MIC_RET and OUT_RET are for the HD audio panel only.
B450M Steel Legend ATX Power Connector (24-pin ATXPWR1) (see p.7, No. 7) ATX 12V Power Connector (8-pin ATX12V1) (see p.7, No. 1) Serial Port Header (9-pin COM1) (see p.7, No. 21) 12 24 1 13 This motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. 8 5 4 1 This motherboard provides a 8-pin ATX 12V power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5.
AMD FAN LED Header (4-pin AMD_FAN_ LED1) (see p.7, No. 6) RGB LED Header (4-pin RGB_LED1) (see p.7, No. 23) Addressable LED Header (3-pin ADDR_LED1) (see p.7, No. 24) English 32 1 12V G R B 1 12V G R B 1 GND DO_ADDR VOUT AMD FAN LED Header is used to connect RGB LED extension cable that comes with AMD heatsink. The cable connection allows users to choose from various LED lighting effects. Caution: Never install the FAN LED cable in the wrong orientation; otherwise, the cable may be damaged.
B450M Steel Legend 2.7 CrossFireXTM and Quad CrossFireXTM Operation Guide This motherboard supports CrossFireXTM and Quad CrossFireXTM that allows you to install up to two identical PCI Express x16 graphics cards. 1. You should only use identical CrossFireXTM-ready graphics cards that are AMD certified. 2. Make sure that your graphics card driver supports AMD CrossFireXTM technology. Download the drivers from the AMD’s website: www.amd.com 3.
Step 3 Connect a VGA cable or a DVI cable to the monitor connector or the DVI connector of the graphics card that is inserted to PCIE2 slot.
B450M Steel Legend 2.7.2 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. Please check AMD’s website for AMD driver updates. Step 3 Install the required drivers and CATALYST Control Center then restart your computer.
2.8 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 Ultra M.2 Socket (M2_1) supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16 Gb/s) (with Athlon 2xxGE series APU). Installing the M.2_SSD (NGFF) Module Step 1 Prepare a M.
B450M Steel Legend Step 3 C B Move the standoff based on the module type and length. The standoff is placed at the nut location C 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. A Step 4 C B 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 Step 5 Gently insert the M.2 (NGFF) SSD module into the M.2 slot.
Step 6 C NUT2 Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module. NUT1 M.2_SSD (NGFF) Module Support List Vendor SanDisk Intel Intel Kingston Samsung Interface PCIe PCIe PCIe PCIe PCIe P/N SanDisk-SD6PP4M-128G( Gen2 x2) INTEL 6000P-SSDPEKKF256G7 (nvme) INTEL 6000P-SSDPEKKF512G7 (nvme) Kingston SHPM2280P2 / 240G (Gen2 x4) Samsung XP941-MZHPU512HCGL(Gen2x4) For the latest updates of M.
B450M Steel Legend 2.9 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 M.2 Socket (M2_2) supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module. * M2_2 and SATA3_3 share lanes. If either one of them is in use, the other one will be disabled. Installing the M.2_SSD (NGFF) Module Step 1 Prepare a M.2_SSD (NGFF) module and the screw.
Step 3 E D C B A Move the standoff based on the module type and length. The standoff is placed at the nut location D 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. Step 4 E D C B A Peel off the yellow protective film on the nut to be used. Hand tighten the standoff into the desired nut location on the motherboard. Step 5 Gently insert the M.2 (NGFF) SSD module into the M.2 slot.
B450M Steel Legend M.2_SSD (NGFF) Module Support List Vendor ADATA Crucial EZLINK Intel Kingston Kingston LITEON PLEXTOR PLEXTOR SanDisk SanDisk SanDisk Transcend Transcend V-Color V-Color WD WD Interface SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA SATA P/N ADATA - AXNS381E-128GM-B Crucial-CT240M500SSD4-240GB EZLINK P51B-80-120GB INTEL 540S-SSDSCKKW240H6-240GB Kingston-RBU-SNS8400S3 / 180GD Kingston SM2280S3G2/120G - Win8.
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” is enabled in your computer. If the Main Menu does not appear automatically, locate and double click on the file “ASRSETUP.
B450M Steel Legend 3.2 A-Tuning A-Tuning is ASRock’s multi purpose software suite with a new interface, more new features and improved utilities. 3.2.1 Installing A-Tuning A-Tuning can be downloaded from ASRock Live Update & APP Shop. After the installation, you will find the icon “A-Tuning“ on your desktop. Double-click the “ATuning“ icon, A-Tuning main menu will pop up. 3.2.
OC Tweaker Configurations for overclocking the system. System Info View information about the system. *The System Browser tab may not appear for certain models.
B450M Steel Legend FAN-Tastic Tuning Configure up to five different fan speeds using the graph. The fans will automatically shift to the next speed level when the assigned temperature is met. Settings English Configure ASRock A-Tuning. Click to select "Auto run at Windows Startup" if you want A-Tuning to be launched when you start up the Windows operating system.
3.3 ASRock Live Update & APP Shop The ASRock Live Update & APP Shop is an online store for purchasing and downloading software applications for your ASRock computer. You can quickly and easily install various apps and support utilities. With ASRock Live Update & APP Shop, you can optimize your system and keep your motherboard up to date simply with a few clicks. Double-click utility.
B450M 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. 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 not. - The red icon displays the price or "Free" if the app is free of charge.
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. English To uninstall it, simply click on the trash can icon *The trash icon may not appear for certain apps. 48 .
B450M 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. Step 1 Click on the app icon to see more details. Step 2 to start upgrading.
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 Step 2 Click to select one or more items you want to update. Step 3 Click Update to start the update process. English 50 to see more details.
B450M Steel Legend 3.3.4 Setting English 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.
3.4 ASRock Polychrome RGB ASRock Polychrome RGB is a lighting control utility specifically designed for unique individuals 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. Connecting the LED Strip B450M Pro4 Connect your RGB LED strips to the RGB LED Header (RGB_HEADER1) on the motherboard.
B450M Steel Legend Connecting the Addressable RGB LED Strip B450M Pro4 Connect your Addressable RGB LED strip to the Addressable LED Header (ADDR_LED1) on the motherboard. 1 ADDR_LED1 1 GND DO_ADDR VOUT 1. Never install the RGB LED cable in the wrong orientation; 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 damages to motherboard components. English 1.
ASRock Polychrome RGB Utility Now you can adjust the RGB LED color through the ASRock Polychrome RGB 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. Toggle on/off the RGB LED switch Sync RGB LED effects for all LED regions of the motherboard English 54 Select a RGB LED light effect from the drop-down menu.
B450M Steel Legend 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 or right after you power on the computer, otherwise, the Power-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 + + , or by pressing the reset button on the system chassis.
4.1.2 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 to get into the sub screen. You can also use the mouse to click your required item. Please check the following table for the descriptions of each navigation key.
B450M Steel Legend 4.2 Main Screen When you enter the UEFI SETUP UTILITY, the Main screen will appear and English display the system overview.
4.3 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. CPU Configuration OC Mode Change Switch Select a setting for OC Mode. Overclock Mode Select the overclock mode.
B450M Steel Legend DRAM Timing Configuration DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assign the appropriate frequency automatically. AM4 Advance Boot Training Set TR4 Advance boot training to [Auto] to increase compatibility. Voltage Configuration CPU Core/Cache Voltage Configure the voltage for the CPU Core/Cache. CPU Load-Line Calibration CPU Load-Line Calibration helps prevent CPU voltage droop when the system is under heavy loading.
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.
B450M Steel Legend 4.4 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, North Bridge Configuration, South Bridge Configuration, StorageConfiguration, Super IO Configuration, ACPI Configuration, Trusted Computing , AMD CBS and AMD PBS. Setting wrong values in this section may cause the system to malfunction. UEFI Configuration Active Page on Entry Select the default page when entering the UEFI setup utility.
4.4.1 CPU Configuration Cool 'n' Quiet Use this item to enable or disable AMD’s Cool ‘n’ QuietTM technology. The default value is [Enabled]. Configuration options: [Enabled] and [Disabled]. If you install Windows® OS and want to enable this function, please set this item to [Enabled]. Please note that enabling this function may reduce CPU voltage and memory frequency, and lead to system stability or compatibility issue with some memory modules or power supplies.
B450M Steel Legend 4.4.2 North Bridge Configuration SR-IOV Support English Enable/disable the SR-IOV (Single Root IO Virtualization Support) if the system has SR-IOV capable PCIe devices.
4.4.3 South Bridge Configuration Onboard HD Audio Enable/disable onboard HD audio. Set to Auto to enable onboard HD audio and automatically disable it when a sound card is installed. Front Panel Enable/disable front panel HD audio. 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 [Power Off] is selected, the power will remain off when the power recovers.
B450M Steel Legend 4.4.4 Storage Configuration SATA Controller(s) Enable/disable the SATA controllers. SATA Mode AHCI: Supports new features that improve performance. RAID: Combine multiple disk drives into a logical unit. SATA Hot Plug English Enable/disable the SATA Hot Plug function.
4.4.5 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.
B450M Steel Legend 4.4.6 ACPI Configuration Suspend to RAM It is recommended to select auto for ACPI S3 power saving. ACPI HPET Table Enable the High Precision Event Timer for better performance and to pass WHQL tests. PS/2 Keyboard Power On Allow the system to be waked up by a PS/2 Keyboard. PCIE Devices Power On Allow the system to be waked up by a PCIE device and enable wake on LAN. RTC Alarm Power On Allow the system to be waked up by the real time clock alarm.
4.4.7 Trusted Computing Security Device Support Enable to activate Trusted Platform Module (TPM) security for your hard disk drives.
B450M Steel Legend 4.4.8 AMD CBS Zen Common Options RedirectForReturnDis From a workaround for GCC/C000005 issue for XV Core on CZ A0, setting MSRC001_1029 Decode Configuration (DE_CFG) bit 14 [DecfgNoRdrctForReturns] to 1. L2 TLB Associativity 0 - L2 TLB ways [11:8] are fully associative. 1 - =L2 TLB ways [11:8] are 4K-only. Platform first Error Handling Enable/disable PFEH, cloak individual banks, and mask deferred error interrupts from each bank. Core Performance Boost Disable CPB.
Opcache Control Enables or disables the Opcache. OC Mode OC1 - 16 cores/3.6GHz on 1.3375V OC2 - 8 cores/3.7GHz on 1.369V OC3 - 4 cores/3.75GHz on 1.374V\nMax Stress - 16 cores/3.8GHz on 1.400V SEV-ES ASID Space Limit SEV VMs using ASIDs below the SEV-ES ASID Space Limit must enable the SEV-ES feature. The valid values for this field are from 0x1 (1) - 0x10 (16). Core/Thread Enablement Downcore control Sets the number of cores to be used.
B450M Steel Legend GMI encryption control GMI encryption control Control GMI link encryption xGMI encryption control Control xGMI link encryption CC6 memory region encryption Control whether or not the CC6 save/restore memory is encrypted Location of private memory regions Controls whether or not the private memory regions (PSP, SMU and CC6) are at the top of DRAM or distributed. Note that distributed requires memory on all dies.
UMC Common Options DDR4 Common Options DRAM Controller Configuration DRAM Controller Configuration DRAM Power Options Cmd2T Select between 1T and 2T mode on ADDR/CMD Gear Down Mode Configure the Gear Down Mode.
B450M Steel Legend DRAM Memory Mapping Chipselect Interleaving Interleave memory blocks across the DRAM chip selects for node 0. BankGroupSwap Configure the BankGroupSwap. BankGroupSwapAlt Configure BankGroupSwapAlt. Address Hash Bank Configure the bank address hashing. Address Hash CS Configure the CS address hashing. NVDIMM Memory MBIST MBIST Enable Configure the Memory MBIST.
Determinism Slider [Auto] Use default performance determinism settings cTDP Control [Auto] Use the fused cTDP. [Manual] User can set customized cTDP. Fan Control [Auto] Use the default fan controller settings. [Manual] User can set customized fan controller settings. PSI Disable PSI. ACS Enable Enable ACS. PCIe ARI Support Enables Alternative Routing-ID Interpretation CLDO_VDDP Control [Manual] If this option is selected, user can set customized CLDO_VDDP voltage.
B450M Steel Legend SATA Controller Disable or enable OnChip SATA controller Sata RAS Support Disable or enable Sata RAS Support Sata Disabled AHCI Prefetch Function Configure the Sata Disabled AHCI Prefetch function. Aggresive SATA Device Sleep Port 0 Configure the Aggresive SATA Device Sleep Port 0. Aggresive SATA Device Sleep Port 1 Configure the Aggresive SATA Device Sleep Port 1. USB Configuration Options XHCI controller enable Configure the USB3 controller.
Chipselect Interleaving Interleave memory blocks across the DRAM chip selects for node 0. BankGroupSwap Configure the BankGroupSwap. BankGroupSwapAlt Configure the BankGroupSwapAlt. Address Hash Bank Configure the bank address hashing. Address Hash CS Configure the CS address hashing. NVDIMM Memory MBIST MBIST Enable Configure the Memory MBIST. MBIST SubType Test Select MBIST Subtest - Single Chipselect, Multi Chipselect, Address Line Test or execute all test.
B450M Steel Legend 4.4.9 AMD PBS English The AMD PBS menu accesses AMD specific features.
4.5 Tools RGB LED ASRock Polychrome RGB allows you to adjust the RGB LED color to your liking. Easy RAID Installer Easy RAID Installer helps you to copy the RAID 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.
B450M Steel Legend Instant Flash Save UEFI files in your USB storage device and run Instant Flash to update your UEFI. 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.
4.6 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 1, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.
B450M Steel Legend 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. CPU Fan 2 Temp Source Select a fan temperature source for CPU Fan 2. CHA_FAN1/WP 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 3 Setting Select a fan mode for Chassis Fan 3, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature. Chassis Fan 3 Temp Source Select a fan temperature source for Chassis Fan 3. Over Temperature Protection When Over Temperature Protection is enabled, the system automatically shuts down when the motherboard is overheated. Case Open Feature Enable or disable Case Open Feature to detect whether the chassis cover has been removed.
B450M Steel Legend 4.7 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. User Password Set or change the password for the user account. Users are unable to change the settings in the UEFI Setup Utility.
4.8 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. Boot From Onboard LAN Allow the system to be waked up by the onboard LAN. Setup Prompt Timeout Configure the number of seconds to wait for the setup hot key. Bootup Num-Lock Select whether Num Lock should be turned on or off when the system boots up.
B450M Steel Legend 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. 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). CSM (Compatibility Support Module) CSM Enable to launch the Compatibility Support Module. Please do not disable unless you’re running a WHCK test.
Launch Video 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.
B450M Steel Legend 4.9 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?” will pop out. Select [OK] to exit the UEFI SETUP UTILITY without saving any changes.
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 ASRock Incorporation 2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District, Taipei City 112, Taiwan (R.O.C.) ASRock EUROPE B.V.
DECLARATION OF CONFORMITY Per FCC Part 2 Section 2.1077(a) Responsible Party Name: Address: Phone/Fax No: ASRock Incorporation 13848 Magnolia Ave, Chino, CA91710 +1-909-590-8308/+1-909-590-1026 hereby declares that the product Product Name : Motherboard Model Number : B450M Steel Legend Conforms to the following specifications: FCC Part 15, Subpart B, Unintentional Radiators Supplementary Information: This device complies with part 15 of the FCC Rules.
EU Declaration of Conformity For the following equipment: Motherboard (Product Name) B450M 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.
