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B550D4ID-2L2T

User Manual

Version 1.0

Published June 2021

Copyright©2021 ASRock Rack INC. All rights reserved.

Содержание B550D4ID-2L2T

Страница 1: ...B550D4ID 2L2T User Manual Version 1 0 Published June 2021 Copyright 2021 ASRock Rack INC All rights reserved ...

Страница 2: ...implied including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose In no event shall ASRock Rack its directors officers employees or agents be liable for any indirect special incidental or consequential damages including damages for loss of profits loss of business loss of data interruption of business and the like even if ASRock Rack h...

Страница 3: ...RockRack com or you may contact your dealer for further information ASRock Rack Incorporation 6F No 37 Sec 2 Jhongyang S Rd Beitou District Taipei City 112 Taiwan R O C The terms HDMI and HDMI High Definition Multimedia Interface and the HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries ...

Страница 4: ...llation Precautions 13 2 3 Installing the CPU 14 2 4 Installing the CPU Fan and Heatsink 15 2 5 Installing Memory Modules DIMM 16 2 6 Expansion Slot PCI Express Slot 18 2 7 Onboard Headers and Connectors 19 2 8 ATX PSU DC IN Power Connections 24 2 9 Unit Identification purpose LED Switch 25 2 10 Driver Installation Guide 25 2 11 M 2_SSD NGFF Module Installation Guide M2_1 26 Chapter 3 UEFI Setup U...

Страница 5: ...n 35 3 3 6 Super IO Configuration 36 3 3 7 Serial Port Console Redirection 37 3 3 8 H W Monitor 40 3 3 9 RAM Disk Configuration 41 3 3 10 Tls Auth Configuration 42 3 3 11 AMD PBS 43 3 3 12 AMD Overclocking 46 3 3 13 AMD CBS 47 3 3 14 Instant Flash 48 3 4 Server Mgmt 49 3 4 1 System Event Log 50 3 4 2 BMC Network Configuration 51 3 4 3 BMC Tools 53 3 5 Security 54 3 5 1 Key Management 55 3 6 Boot S...

Страница 6: ...ting System 62 4 2 Support CD Information 62 4 2 1 Running The Support CD 62 4 2 2 Drivers Menu 62 4 2 3 Utilities Menu 62 4 2 4 Contact Information 62 Chapter 5 Troubleshooting 63 5 1 Troubleshooting Procedures 63 5 2 Technical Support Procedures 65 5 3 Returning Merchandise for Service 65 ...

Страница 7: ...to 24P Power Cable 8cm 1 x SATA Power Cable 80cm 1 x Screw for M 2 Socket If any items are missing or appear damaged contact your authorized dealer Because the motherboard specifications and the BIOS software might be updated the con tent of this manual will be subject to change without notice In case any modifications of this manual occur the updated version will be available on ASRock Rack websi...

Страница 8: ...0 Max Thermal Design Power TDP 105W System Memory Capacity 4 x 288 pin DDR4 DIMM slots 2DPC Support up to 128GB DDR4 ECC non ECC UDIMM Type Dual Channel DDR4 memory technology Support DDR4 ECC Non ECC Unbuffered DIMM For AMD Ryzen Desktop Processors with Radeon Graphics ECC support is only with Processors with PRO technologies DIMM Size Per DIMM ECC UDIMM 32GB 16GB 8GB DIMM Frequency ECC UDIMM up ...

Страница 9: ...16MB Rear Panel I O VGA Port 1 x D Sub DB15 USB 3 2 Gen1 Port 2 HDMI 1 LAN Port 2 x RJ45 10 Gigabit Ethernet LAN port 2 x RJ45 1 Gigabit Ethernet LAN ports 1 x RJ45 Dedicated IPMI LAN port LAN Ports with LED ACT LINK LED and SPEED LED UID 1 UID LED 1 Internal Connector Auxiliary Panel Header 1 includes chassis intrusion location button LED front LAN LED system fault and BMC alert Panel Header 1 CO...

Страница 10: ... Windows 10 system Raid Mode supports UEFI Boot only The Linux system doesn t support Raid mode Please refer to our website for the latest OS support list Environment Temperature Operation temperature 10 C 35 C Non operation temperature 40 C 70 C NOTE Please refer to our website for the latest specifications This motherboard supports Wake from on Board LAN To use this function please make sure tha...

Страница 11: ...is utility you can press the F6 key during the POST or the F2 key to enter into the BIOS setup menu to access ASRock Rack Instant Flash Just launch this tool and save the new BIOS file to your USB flash drive floppy disk or hard drive then you can update your BIOS only in a few clicks without preparing an additional floppy diskette or other complicated flash utility Please be noted that the USB fl...

Страница 12: ... M2_1 TPM1 CLRCMOS1 OCU1 TPM_BIOS_PH1 NUT80_1 USB3_5_6 COM1 ITX_AUX_PANEL1 IPMB1 BMC_SMB1 FAN3 T 1 PWM_CFG1 NUT110_1 R SPEAKER1 PCIE7 ASPEED AST2500 HDMI1 VGA1 USB 3 2 Gen1 T USB3_2 B USB3_1 IPMI_LAN LAN3 LAN4 LAN1 LAN2 UID_LED1 UID1 BMC ROM 2 3 1 4 B550D4ID 2L2T 5 6 DDR4_B2 DDR4_B1 DDR4_A2 DDR4_A1 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 7 ...

Страница 13: ...PI Header TPM_BIOS_PH1 15 USB 3 2 Gen1 Header USB3_5_6 16 Intelligent Platform Management Bus Header IPMB1 17 BMC SMBus Header BMC_SMB1 18 Speaker Header SPEAKER1 19 Thermal Sensor Header TR1 20 System Fan Connector 4 pin FAN3 21 Auxiliary Panel Header ITX_AUX_PANEL1 22 COM Port Header COM1 23 PWM Configuration Header PWM_CFG1 24 2 x 288 pin DDR4 DIMM Slots DDR4_A1 DDR_B1 25 2 x 288 pin DDR4 DIMM ...

Страница 14: ...8 English 1 5 Onboard LED Indicators 1 2 3 4 5 6 ...

Страница 15: ...ish No Item Status Description 1 SB_PWR1 Green STB PWR ready 2 FAN_LED1 Amber FAN1 failed 3 FAN_LED2 Amber FAN2 failed 4 FAN_LED3 Amber FAN3 failed 5 SYS_FAULT_LED1 Amber System Fault LED 6 BMC_LED1 Green BMC heartbeat LED ...

Страница 16: ...orts USB3_1_2 5 1G LAN RJ 45 Port LAN3 10 LAN RJ 45 Port IPMI_LAN1 There are two LED next to the LAN port Please refer to the table below for the LAN port LED indications Dedicated IPMI LAN Port LED Indications Activity Link LED Speed LED Status Description Status Description Off No Link Off 10M bps connection or no link Blinking Yellow Data Activity Orange 100M bps connection On Link Green 1Gbps ...

Страница 17: ...ty Orange 1Gbps connection On Link Green 10Gbps connection There are two LEDs on each LAN port Please refer to the table below for the LAN port LED indications 1G LAN Port LAN3 LAN4 LED Indications Activity Link LED Speed LED Status Description Status Description Off No Link Off 10Mbps connection or no link Blinking Orange Data Activity Orange 100Mbps connection On Link Green 1Gbps connection ACT ...

Страница 18: ...31 Support Max 105 W AMD Fusion Control Hub B550 PCIE7 Intel X710 AT2 Intel i210 Intel i210 M2_1 PCIE x1 PCIE x1 USB 2 0 VGA PCIe GEN2 x1 AST2500 BMC LPC TPM D SUB SIO NCT5562D RGMII Realtek RTL8211E SATA x4 2xUSB 3 2 2xUSB 3 2 DDR4 UDIMM 3200MT s B550D4ID 2L2T ...

Страница 19: ...stallation Precautions Take note of the following precautions before you install motherboard components or change any motherboard settings 1 Unplug the power cord from the wall socket before touching any components 2 To avoid damaging the motherboard s components due to static electricity NEVER place your motherboard directly on the carpet or the like Also remember to use a grounded wrist strap or...

Страница 20: ...14 English 2 3 Installing the CPU Unplug all power cables before installing the CPU 2 1 90o ...

Страница 21: ...B550D4ID 2L2T 15 English 3 2 4 Installing the CPU Fan and Heatsink Please be aware that this motherboard only supports LGA115x CPU heatsink ...

Страница 22: ...e 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 It is not allowed to install a DDR DDR2 or DDR3 memory module into a DDR4 slot otherwise this motherboard and DIMM may be damaged UDIMM Memory Slot Matisse Renoir Vermeer A2 A1 B2 B1 Freq Mhz Freq Mhz Freq Mhz SR 3200 3200 3200 DR 3200 3200 320...

Страница 23: ...B550D4ID 2L2T 17 English 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 1 2 3 ...

Страница 24: ... 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 Step 2 Remove the system unit cover if your motherboard is already installed in a chassis Step 3 Remove the bracket facing the slot that you intend to use Keep the screws for later use Step 4 Align the card connector...

Страница 25: ...n OCulink to SATA x4 cable to the connector USB 3 2 Gen1 Header 19 pin USB3_5_6 see p 6 No 15 There is one USB 3 2 Gen1 header on this motherboard This USB 3 2 Gen1 header can support two USB 3 2 Gen1 ports 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 ...

Страница 26: ...bled base board or front panel connection for value added features and 3rd party add in cards such as Emergency Management cards that provide management features using the IPMB PSU SMBus Header 5 pin PSU_SMB1 see p 6 No 6 3V 1 GND ALERT SMBCLK SMBDATA PSU SMBus monitors the status of the power supply fan and system temperature Baseboard Management Controller SMBus Header 5 pin BMC_SMB1 see p 6 No ...

Страница 27: ... supports Trusted Platform Module TPM system which can securely store keys digital certificates passwords and data A TPM system also helps enhance network security protects digital identities and ensures platform integrity Thermal Sensor Header 3 pin TR1 see p 6 No 19 1 TR1 TR1 GND Please connect the thermal sensor cable to either pin 1 2 or pin 2 3 and the other end to the device which you wish t...

Страница 28: ...sed for PWM configurations ATX 12V Power Connectors 8 pin ATX12V1 see p 6 No 4 8 pin ATX12V2 see p 6 No 5 4 8 1 5 12V GND The motherboard provides two 8 pin 12V power connectors which are required inputs for either DC IN 12V or ATX 12V power sources When using ATX power it is necessary to use a 24pin to 4pin power cable to connect between the 24pin power connector of PSU and the ATX4PIN1 connector...

Страница 29: ...pply and signal communication For DC IN 12V application it is not necessary to use this ATX 4 PIN power connector Caution Misconnection between the ATX4PIN1 and the SATA_PWR1 connectors may permanently damage the motherboard SATA Power Connector 4 pin SATA_PWR1 see p 6 No 3 FOR HDD POWER 1 2 3 4 5V GND 12V GND Please use a SATA power cable to connect this SATA Power Connector and your SATA HDD for...

Страница 30: ...tions between the motherboard and the power supply Connector DC IN ATX PSU 12V 8pin O O ATX 4pin X O with the bundled ATX 24pin to 4pin converter cable PSU 12V 8pin ATX 4pin via a 24pin to 4pin Converter Cable PSU 12V 8pin DC IN ATX PSU The following diagram illustrates how to connect the bundled ATX 24pin to 4pin converter cable 24pin to 4pin Converter Cable ...

Страница 31: ...e front rear UID blue LED indicator will be turned on Press the UID button again to turn off the indicator 2 10 Driver Installation Guide To install the drivers to your system please insert the support CD to your optical drive first Then the drivers compatible to your system can be auto detected and listed on the support CD driver page Please follow the order from top to bottom to install those re...

Страница 32: ... the M 2_SSD NGFF Module Step 1 Prepare a M 2_SSD NGFF module and the screw 20o Step 2 Gently insert the M 2 NGFF SSD module into the M 2 slot Please be aware that the M 2 NGFF SSD module only fits in one orientation NUT1 NUT2 Step 3 Tighten the screw with a screwdriver to secure the module into place Please do not overtighten the screw as this might damage the module M 2_SSD NGFF Module Support L...

Страница 33: ... You may also restart by turning the system off and then back on 3 1 1 UEFI Menu Bar The top of the screen has a menu bar with the following selections Item Description Main To set up the system time date information Advanced To set up the advanced UEFI features Server Mgmt To manage the server Security To set up the security features Boot To set up the default system device to locate and load the...

Страница 34: ...e selected items Tab Switch to next function Enter To bring up the selected screen PGUP Go to the previous page PGDN Go to the next page HOME Go to the top of the screen END Go to the bottom of the screen F1 To display the General Help Screen F7 Discard changes and exit the UEFI SETUP UTILITY F9 Load optimal default values for all the settings F10 Save changes and exit the UEFI SETUP UTILITY F12 P...

Страница 35: ...nglish 3 2 Main Screen Once you enter the UEFI SETUP UTILITY the Main screen will appear and display the system overview The Main screen provides system overview information and allows you to set the system time and date ...

Страница 36: ... you may set the configurations for the following items CPU Configura tion Chipset Configuration Storage Configuration ACPI Configuration USB Configura tion Super IO Configuration Serial Port Console Redirection H W Monitor RAM Disk Configuration Tls Auth Configuration AMD PBS AMD Overclocking AMD CBS and Instant Flash ...

Страница 37: ...nglish 3 3 1 CPU Configuration PSS Support Enable disable the generation of ACPI _PPC _PSS and _PCT objects SPI LPC fTPM TPM switch To select 0 AMD CPU fTPM 1 LPC TPM 2 SPI TPM SVM Mode Enable disable CPU Virtualization ...

Страница 38: ...vices this option Enables or Disables Single Root IO Virtualization Support Restore 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 If Power On is selected the system will start to boot up when the power recovers Restore AC Power Current State This allows you to restore AC Power Current State Onboard Debug Port L...

Страница 39: ...B550D4ID 2L2T 33 English 3 3 3 Storage Configuration SATA Mode Select SATA Mode Storage Configuration of Vermeer Matisse series CPU Configure storage devices of Vermeer Matisse series CPU ...

Страница 40: ... 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 Set it to By OS to let it be handled by your operating system ...

Страница 41: ...English 3 3 5 USB Configuration Legacy USB Support Enables Legacy USB support AUTO option disables legacy support if no USB devices are connected DISABLE option will keep USB devices available only for EFI applications ...

Страница 42: ...Port Use this item to enable or disable the serial port Serial Port Address Use this item to select an optimal setting for Super IO device SOL Configuration Use this item to set parameters of SOL SOL Port Use this item to enable or disable SOL Port Serial Port Address Use this item to select an optimal setting for Super IO device ...

Страница 43: ...n Settings and specify how your computer and the host computer to which you are connected exchange information Both computers should have the same or compatible settings Terminal Type Use this item to select the preferred terminal emulation type for out of band management It is recommended to select VT UTF8 Option Description VT100 ASCII character set VT100 Extended VT100 that supports color and f...

Страница 44: ...a flow Once the buffers are empty a start signal can be sent to restart the flow Hardware flow uses two wires to send start stop signals The options include None and Hardware RTS CTS VT UTF8 Combo Key Support Use this item to enable or disable the VT UTF8 Combo Key Support for ANSI VT100 terminals Recorder Mode Use this item to enable or disable Recorder Mode to capture terminal data and send it a...

Страница 45: ... through a serial port Terminal Type EMS Use this item to select the preferred terminal emulation type for out of band management It is recommended to select VT UTF8 Option Description VT100 ASCII character set VT100 Extended VT100 that supports color and function keys VT UTF8 UTF8 encoding is used to map Unicode chars onto 1 or more bytes ANSI Extended ASCII character set Bits Per Second EMS Use ...

Страница 46: ... the status of the hardware on your system includ ing the parameters of the CPU temperature motherboard temperature CPU fan speed chassis fan speed and the critical voltage Watch Dog Timer This allows you to enable or disable the Watch Dog Timer The default value is Auto ...

Страница 47: ...ration Disk Memery Type Specifies type of memory to use from available memory pool in system to create a disk Create raw Create a raw RAM disk Create from file Create a RAM disk from a given file Remove selected RAM disk s Remove selected RAM disk s ...

Страница 48: ...2 English 3 3 10 Tls Auth Configuration Server CA Configuration Press Enter to configure Server CA Client Cert Configuration Enroll Cert Press Enter to enroll cert Delete Cert Press Enter to delete cert ...

Страница 49: ...es HG DGPU Features BOMAC0 MITT WITT Selection Use this item to configure MITT WITT Selection LAN Power Enable Use this item to enable or disable LAN power WLAN Enable Use this item to enable or disable WLAN Blue Tooth Enable Use this item to enable or disable Blue Tooth PCIE Slot 7 Link Width Configure Slot 7 Slot PCIe Lanes ...

Страница 50: ...is 0 127 AddCmd MemVref Adjust AddCmd MemVref Adjust stepping is VDDIO 1 256 MEM_VREF VDDIO N 256 input range is 1 255 AMD Fan Policy Air Cooling follow platform defined policy Water Cooling force PWM 100 Selecting Fan control to Manual in CBS will override this option AMD KVM Mouse Protocol Switch KVM Mouse Protocol between Absolut Simple NVMe RAID mode Enable or disable NVMe RAID mode Please set...

Страница 51: ...B550D4ID 2L2T 45 English Thunderbolt Support Enable Thunderbolt Support Zero Power ODD Enable Disable Zero Power ODD Feature ...

Страница 52: ...46 English 3 3 12 AMD Overclocking The AMD Overclocking menu accesses options for configuring CPU frequency and voltage ...

Страница 53: ...on options UMC Common Options Use this item to configure UMC Common options NBIO Common Options Use this item to configure NBIO Common options FCH Common Options Use this item to configure FCH Common options Chipset Common Options Use this item to configure Chipset Common options Soc Miscellaneous Control Use this item to configure Soc Miscellaneous Control ...

Страница 54: ...disk or hard drive and launch this tool then you can update your UEFI only in a few clicks without preparing an additional floppy diskette or other compli cated flash utility Please be noted that the USB flash drive or hard drive must use FAT32 16 12 file system If you execute Instant Flash utility the utility will show the UEFI files and their respective information Select the proper UEFI file to...

Страница 55: ...T 49 English 3 4 Server Mgmt Wait For BMC Wait For BMC response for specified time out BMC starts at the same time when BIOS starts during AC power ON It takes around 90 seconds to initialize Host to BMC interfaces ...

Страница 56: ...ng for error progress codes during boot Erase SEL Use this to choose options for earsing SEL When SEL is Full Use this to choose options for reactions to a full SEL Log EFI Status Codes Use this item to disable the logging of EFI Status Codes or log only error code or only progress code or both ...

Страница 57: ... DHCP If you prefer using a static IP address toggle to Yes and the changes take effect after the system reboots The default value is No Configuration Address Source Select to configure BMC network parameters statically or dynamically by BIOS or BMC Configuration options Static and DHCP Static Manually enter the IP Address Subnet Mask and Gateway Address in the BIOS for BMC LAN channel configurati...

Страница 58: ... the Support website at http www asrockrack com support faq asp VLAN Enabled Disabled Virtual Local Area Network If Enabled is selected configure the items below IPV6 Support Enabled Disable LAN1 IPV6 Support Manual Setting IPMI LAN IPV6 Select to configure LAN channel parameters statically or dynamically by BIOS or BMC Unspecified option will not modify any BMC network parameters during BIOS phas...

Страница 59: ...Settings Use this item to Load BMC Default Settings KCS Control Select this KCS interface state after POST end If Enabled us selected the BMC will remain KCS interface after POST stage If Disabled is selected the BMC will disable KCS interface after POST stage ...

Страница 60: ...e 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 Leave it blank and press enter to remove the password Secure Boot Use this to enable or disable Secure Boot Control The default value is Disabled Enable to support Windows 8 or later versions Secure Boot Secure Boot Mode S...

Страница 61: ...e Install Default Secure Boot Keys Please install default secure boot keys if it s the first time you use secure boot Enroll Efi Image Allow the image to run in Secure Boot mode Enroll SHA256 hash of the binary into Authorized Signature Database db Restore DB Defaults Restore DB variable to factory defaults Platform Key PK Enroll Factory Defaults or load certificates from a file 1 Public Key Certi...

Страница 62: ...A2048 bin d EFI_CERT_SHAXXX 2 Authenticated UEFI Variable 3 EFI PE COFF Image SHA256 Key Source Default External Mixed Authorized Signatures Enroll Factory Defaults or load certificates from a file 1 Public Key Certificate a EFI_SIGNATURE_LIST b EFI_CERT_X509 DER c EFI_CERT_RSA2048 bin d EFI_CERT_SHAXXX 2 Authenticated UEFI Variable 3 EFI PE COFF Image SHA256 Key Source Default External Mixed Forb...

Страница 63: ...e 1 Public Key Certificate a EFI_SIGNATURE_LIST b EFI_CERT_X509 DER c EFI_CERT_RSA2048 bin d EFI_CERT_SHAXXX 2 Authenticated UEFI Variable 3 EFI PE COFF Image SHA256 Key Source Default External Mixed OsRecovery Signatures Enroll Factory Defaults or load certificates from a file 1 Public Key Certificate a EFI_SIGNATURE_LIST b EFI_CERT_X509 DER c EFI_CERT_RSA2048 bin d EFI_CERT_SHAXXX 2 Authenticate...

Страница 64: ...boot order Boot Option 2 Use this item to set the system boot order Boot Option 3 Use this item to set the system boot order Boot Option Filter This option controls Legacy UEFI ROMs priority USB Device BBS Priorities Use this item to set the order of the legacy devices in the group Fast Boot Enables Disables fast boot which skips memory training and attempts to boot using last known good configura...

Страница 65: ... will automatically activate the Numeric Lock function after boot up Boot Beep Select whether the Boot Beep should be turned on or off when the system boots up Please note that a buzzer is needed Full Screen Logo Use this item to enable or disable OEM Logo The default value is Enabled AddOn ROM Display Use this option to adjust AddOn ROM Display If you enable the option Full Screen Logo but you wa...

Страница 66: ...acy only to run those that support legacy option ROM only Select Do not launch to not execute both legacy and UEFI option ROM 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 PCIE7 Slot OpROM Use this item to select slot st...

Страница 67: ...wing message Discard changes and exit setup will pop out Press ESC key or select Yes to exit the UEFI SETUP UTILITY without saving any changes Discard Changes When you select this option the following message Discard changes will pop out Press F7 key or select Yes to discard all changes Load UEFI Defaults Load UEFI default values for all the setup questions F9 key can be used for this operation Bo...

Страница 68: ...ng 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 exe from the root folder in the Support CD to display the menu 4 2 2 Drivers Menu The Drivers Menu shows the available device s drivers if t...

Страница 69: ...t to default settings 3 Check the settings of the 115V 230V switch on the power supply 4 Verify if the battery on the motherboard provides 3VDC Install a new battery if it does not If there is no video 1 Try replugging the monitor cables and power cord 2 Check for memory errors If there are memory errors 1 Verify that the DIMM modules are properly seated in the slots 2 Use recommended DDR4 ECC UDI...

Страница 70: ... battery on the motherboard provides 3VDC Install a new battery if it does not 2 Confirm whether your power supply provides adaquate and stable power Other problems 1 Try searching keywords related to your problem on ASRock Rack s FAQ page http www asrockrack com support ...

Страница 71: ...a copy of your invoice marked with the date of purchase is required By calling your vendor or going to our RMA website http event asrockrack com tsd asp you may obtain a Returned Merchandise Authorization RMA number The RMA number should be displayed on the outside of the shipping carton which is mailed prepaid or hand carried when you return the motherboard to the manufacturer Shipping and handli...

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