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EPYC3251D4I-2T
EPYC3151D4I-2T
EPYC3101D4I-2T
EPYC3251D4I-NL
EPYC3101D4I-NL
User Manual
Published November 2020
Copyright©2020 ASRock Rack INC. All rights reserved.
Version 1.1

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Summary of Contents for ASROCK Rack EPYC3251D4I-2T

  • Page 1 EPYC3251D4I-2T EPYC3151D4I-2T EPYC3101D4I-2T EPYC3251D4I-NL EPYC3101D4I-NL User Manual Version 1.1 Published November 2020 Copyright©2020 ASRock Rack INC. All rights reserved.
  • Page 2 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 has been advised of the possibility of such damages arising from any defect or error in the documentation or product.
  • Page 3 Contact Information If you need to contact ASRock Rack or want to know more about ASRock Rack, you’re welcome to visit ASRock Rack’s website at www.ASRockRack.com; or you may contact your dealer for further information. ASRock Rack Incorporation 6F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District,...
  • Page 4: Table Of Contents

    Contents Chapter 1 Introduction Package Contents Specifications Unique Features Motherboard Layout Onboard LED Indicators I/O Panel Block Diagram Chapter 2 Installation Screw Holes Pre-installation Precautions Installation of Memory Modules (DIMM) Expansion Slots (PCI Express Slots) Onboard Headers and Connectors AC-IN / DC-IN Power Connections Unit Identification purpose LED/Switch Driver Installation Guide Dual LAN and Teaming Operation Guide...
  • Page 5 Main Screen Advanced Screen 3.3.1 CPU Configuration 3.3.2 Chipset Configuration 3.3.3 Storage Configuration 3.3.4 ACPI Configuration 3.3.5 USB Configuration 3.3.6 Super IO Configuration 3.3.7 Serial Port Console Redirection 3.3.8 H/W Monitor 3.3.9 PSP Firmware Versions 3.3.10 AMD CBS 3.3.11 Instant Flash Server Mgmt 3.4.1 System Event Log 3.4.2 BMC Network Configuration...
  • Page 6 Support CD Information 4.2.1 Running The Support CD 4.2.2 Drivers Menu 4.2.3 Utilities Menu 4.2.4 Contact Information Chapter 5 Troubleshooting Troubleshooting Procedures Technical Support Procedures Returning Merchandise for Service...
  • Page 7: Chapter 1 Introduction

    In case any modifications of this manual occur, the updated version will be available on ASRock Rack website without further notice. You may find the latest memory and CPU support lists on ASRock Rack website as well. ASRock Rack’s Website: www.ASRockRack.com If you require technical support related to this motherboard, please visit our website for specific information about the model you are using.
  • Page 8: Specifications

    1.2 Specifications EPYC3251D4I-2T / EPYC3151D4I-2T / EPYC3101D4I-2T / EPYC3251D4I-NL / EPYC3101D4I-NL MB Physical Status Form Factor Mini-ITX Dimension 6.7'' x 6.7'' (17.02 cm x 17.02 cm) Processor System Support AMD EPYC™ Embedded 3000 Series Processors Chipset System Memory Capacity - 4 x 288-pin DDR4 SDRAM DIMM slots...
  • Page 9 Controller ASPEED AST2500 Rear Panel I/O VGA Port D-sub x 1 EPYC3251D4I-2T / EPYC3151D4I-2T / EPYC3101D4I-2T: - 2 x 10GLAN RJ45(by Intel® X550-AT2 ) EPYC3251D4I-NL / EPYC3101D4I-NL: Lan Port - 1 x RJ45 Dedicated IPMI LAN port - LAN Ports with LED (ACT/LINK LED and SPEED LED) UID Button USB 3.2 Gen1...
  • Page 10 - Plug and Play (PnP) - ACPI 2.0 Compliance Wake Up Events BIOS Features - SMBIOS 2.8 Support - ASRockRack Instant Flash Hardware Monitor - CPU/DDR/LAN/Storage Temperature Sensing Temperature - MB/Card Side Temperature Sensing - CPU/Rear/Front Fan Tachometer - CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) - CPU/Rear/Front Fan Multi-Speed Control Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM,...
  • Page 11: Unique Features

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 1.3 Unique Features ASRock Instant Flash is a BIOS flash utility embedded in Flash ROM. This conve- nient BIOS update tool allows you to update system BIOS without entering operating ® systems first like MS-DOS or Windows .
  • Page 12: Motherboard Layout

    64 bit, 288-pin module, Blue) DDR4_A2 DDR4, 64 bit, 288-pin module, White USB 3.2 Gen1 IPMI FAN3 T: USB2 B: USB1 FAN1 (NCSI) X550_LAN1 OCU1 EPYC3251D4I-2T / EPYC3151D4I-2T / EPYC3101D4I-2T only X550_LAN2 SATA_4 EPYC3251D4I-2T / EPYC3151D4I-2T / EPYC3101D4I-2T only SATA_5 Intel SATA_SGPIO1 X550 NUT110...
  • Page 13 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Description Rear Fan Connector (FAN2) Intelligent Platform Management Bus header (IPMB_1) ATX 12V Power Connector (ATX12V1) ATX 4-PIN Power Connector (ATX12V2 )*** (ATX 24pin-to-4pin) PSU SMBus (PSU_SMB1) 2 x 288-pin DDR4 DIMM Slots (DDR4_B1, DDR4_B2)* 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_A2)* Front Fan Connector (FAN3) CPU Fan Connector (FAN1) OCuLink x4 Connector (OCU1)
  • Page 14: Onboard Led Indicators

    1.5 Onboard LED Indicators FAN2 UID1 DDR4_B1 ( DDR4, 64 bit, 288-pin module, Blue) DDR4_B2 ( DDR4, 64 bit, 288-pin module, White DDR4_A1 ( DDR4, 64 bit, 288-pin module, Blue) DDR4_A2 DDR4, 64 bit, 288-pin module, White FAN3 FAN1 NUT80 NUT110 PLED PWRBTN HDLED RESET...
  • Page 15: I/O Panel

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 1.6 I/O Panel No. Description No. Description UID Switch/LED (UID1) Dedicated IPMI LAN Port* EPYC3251D4I-2T / EPYC3151D4I-2T / EPYC3101D4I-2T: 10G LAN RJ-45 Port (LAN1)** VGA Port (VGA1) EPYC3251D4I-NL / EPYC3101D4I-NL: EPYC3251D4I-2T / EPYC3151D4I-2T / EPYC3101D4I-2T: 10G LAN RJ-45 Port (LAN2)** USB 3.2 Gen1 Ports (USB3_1_2)
  • Page 16 **There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications. ACT/LIN K LED SPEED LED LAN Port 10G LAN Port (LAN1, LAN2) LED Indications Activity / Link LED Speed LED Status Description Status...
  • Page 17: Block Diagram

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 1.7 Block Diagram EPYC3251D4I-2T / EPYC3151D4I-2T / EPYC3101D4I-2T...
  • Page 18 EPYC3251D4I-NL / EPYC3101D4I-NL...
  • Page 19: Chapter 2 Installation

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Chapter 2 Installation This is a Mini-ITX form factor (6.7'' x 6.7'', 17.0 cm x 17.0 cm) motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Make sure to unplug the power cord before installing or removing the motherboard.
  • Page 20: Installation Of Memory Modules (Dimm)

    2.3 Installation of 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 21 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series...
  • Page 22: Expansion Slots (Pci Express Slots)

    2.4 Expansion Slots (PCI Express Slots) There is 1 PCI Express slots on this motherboard. PCIE slot: PCIE7 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width cards. Installing an expansion card Step 1. Before installing an expansion card, please make sure that the power supply is switched off or the power cord is unplugged.
  • Page 23: Onboard Headers And Connectors

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 2.5 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 Con nec t t he power sw itch, PLED+...
  • Page 24 LAN1_ACT# Auxiliary Panel Header This header supports multiple LED_PWR (9-pin ITX _AUX _PAN- functions on the front panel, LED_PWR LAN2_ACT# EL1) including front panel SMB, (see p.6, No. 19) internet status indicator. SYSTEM_FAULT_LED_P SYSTEM_FAULT_LED_N CASEOPEN# Serial ATA3 Connectors These two SATA3 connectors (SATA_4) support SATA data cables for SA TA_4...
  • Page 25 If you plan to connect a 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3. For more details, please refer to the Cooler QVL list on the ASRock Rack website.
  • Page 26 ATX 4-PIN Power The motherboard provides one Connector 4-pin power/signal connector (4-pin ATX12V2 which is a required input for ATX_PWROK PSON# ATX_+5VSB ATX power source. (ATX 24pin-to-4pin) (see p.6, No. 4) 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...
  • Page 27 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series SATA Power Connector Please use a SATA power cable (DC-IN mode) to connect this SATA Power (4-pin ATX12V3) Connector and your SATA (see p.6, No. 15) HDD for supplying power from the motherboard, when +12V using DC-IN mode without SATA power supply.
  • Page 28: Ac-In / Dc-In Power Connections

    2.6 ATX PSU / DC-IN Power Connections This motherboard supports both +12V DC and ATX power input. Please refer to the table below for the required connections between the motherboard and the power supply. Connector DC-IN ATX PSU 12V 8pin ATX 4pin (with the bundled ATX 24pin-to-4pin converter cable)
  • Page 29: Unit Identification Purpose Led/Switch

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 2.7 Unit Identification purpose LED/Switch With the UID button, You are able to locate the server you’re working on from behind a rack of servers. Unit Identification When the UID button on the purpose LED/Switch front or rear panel is pressed, (UID1) the front/rear UID blue LED indicator will be turned on.
  • Page 30: Dual Lan And Teaming Operation Guide

    2.9 Dual LAN and Teaming Operation Guide Dual LAN with Teaming enabled on this motherboard allows two single connections to act as one single connection for twice the transmission bandwidth, making data transmission more effective and improving the quality of transmission of distant images.
  • Page 31 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 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 Ultra M.2 Socket supports a M.2 SATA3 6.0 Gb/s module or a M.2 PCI Express module up to Gen3 x4 (32Gb/s).
  • Page 32 Step 3 Move the standoff based on the module type and length. 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 Peel off the yellow protective film on the nut to be used.
  • Page 33: Chapter 3 Uefi Setup Utility

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Chapter 3 UEFI Setup Utility 3.1 Introduction This section explains how to use the UEFI SETUP UTILITY to configure your system. The UEFI chip on the motherboard stores the UEFI SETUP UTILITY. You may run the UEFI SETUP UTILITY when you start up the computer.
  • Page 34: Navigation Keys

    3.1.2 Navigation Keys Please check the following table for the function description of each navigation key. Navigation Key(s) Function Description Moves cursor left or right to select Screens Moves cursor up or down to select items + / - To change option for the selected items <Tab>...
  • Page 35: Main Screen

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 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.
  • Page 36: Advanced Screen

    3.3 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, Chipset Configuration, Storage Configuration, ACPI Configuration, USB Configuration, Super IO Configuration, Serial Port Console Redirection, H/W Monitor, PSP Firmware Versions, AMD CBS and Instant Flash. Setting wrong values in this section may cause the system to malfunction.
  • Page 37: Cpu Configuration

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 3.3.1 CPU Configuration Node 0 Information View Memory Information related to Node 0 SVM Mode Enable/disable CPU Virtualization. CPB Mode Auto/disable CPB. C6 Mode Enable/disable C6.
  • Page 38: Chipset Configuration

    3.3.2 Chipset Configuration OnBrd/Ext VGA Select Select between onboard or external VGA support. Onboard LAN1 To enable or disable Onabord LAN. Onboard LAN2 To enable or disable Onabord LAN. PCIE7 Link Width This allows you to select PCIE7 Link Width. The default value is [Auto]. PCIE7 Link Speed This allows you to select PCIE7 Link Speed.
  • Page 39 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 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). SR-IOV Support If system has SR-IOV capable PCIe Devices, this option Enables or Disables Single Root IO Virtualization Support.
  • Page 40: Storage Configuration

    3.3.3 Storage Configuration In this page, you can configure storage devices.
  • Page 41: Acpi Configuration

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 3.3.4 ACPI Configuration PCIE Devices Power On Allow the system to be waked up by a PCIE device and enable wake on LAN. RTC Alarm Power On Use this item to enable or disable RTC (Real Time Clock) to power on the system.
  • Page 42: Usb Configuration

    3.3.5 USB Configuration Legacy USB Support Use this option to enable or disable legacy support for USB devices. The default value is [Enabled].
  • Page 43: Super Io Configuration

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 3.3.6 Super IO Configuration Serial Port 1 Configuration Use this item to set parameters of Serial Port 1 (COM1). Serial 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.
  • Page 44: Serial Port Console Redirection

    3.3.7 Serial Port Console Redirection COM1 / SOL Console Redirection Use this option to enable or disable Console Redirection. If this item is set to Enabled, you can select a COM Port to be used for Console Redirection. Console Redirection Settings Use this option to configure Console Redirection Settings, and specify how your computer and the host computer to which you are connected exchange information.
  • Page 45 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Bits Per Second Use this item to select the serial port transmission speed. The speed used in the host computer and the client computer must be the same. Long or noisy lines may require lower transmission speed. The options include [9600], [19200], [57600] and [115200]. Data Bits Use this item to set the data transmission size.
  • Page 46 Resolution On Legacy OS, the Number of Rows and Columns supported redirection. Redirect After POST When Bootloader is selected, then Legacy Console Redirection is disabled before booting to legacy OS. When Always Enable is selected, then Legacy Console Redirection is enabled for legacy OS.
  • Page 47 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Data Bits Parity Stop Bits...
  • Page 48: H/W Monitor

    3.3.8 H/W Monitor In this section, it allows you to monitor 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. Fan Control If [Auto] is selected, the fan speed will controlled by BMC.
  • Page 49 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Smart Fan Temp Control Smart Fan Temp x (x means 1 to 11 stage) This allows you to set temperature for each stage. Watch Dog Timer This allows you to enable or disable the Watch Dog Timer. The default value is [Disabled].
  • Page 50: Psp Firmware Versions

    3.3.9 PSP Firmware Versions You can view information of PSP firmware versions in this page.
  • Page 51: Amd Cbs

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 3.3.10 AMD CBS Zen Common Options Use this item to configure Zen Common options. DF Common Options Use this item to configure DF Common options. UMC Common Options Use this item to configure UMC Common options. NBIO Common Options Use this item to configure NBIO Common options.
  • Page 52: Instant Flash

    3.3.11 Instant Flash Instant Flash is a UEFI flash utility embedded in Flash ROM. This convenient UEFI update tool allows you to update system UEFI without entering operating systems ® first like MS-DOS or Windows . Just save the new UEFI file to your USB flash drive, floppy 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.
  • Page 53: Server Mgmt

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 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.
  • Page 54: System Event Log

    3.4.1 System Event Log SEL Components Change this to enable ro disable event logging 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.
  • Page 55: Bmc Network Configuration

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 3.4.2 BMC Network Configuration BMC Out of Band Access Enabled/Disabled BMC Out of band Access. Lan Channel (Failover) Manual Setting IPMI LAN If [No] is selected, the IP address is assigned by DHCP. If you prefer using a static IP address, toggle to [Yes], and the changes take effect after the system reboots.
  • Page 56 The default login information for the IPMI web interface is: Username: admin Password: admin For more instructions on how to set up remote control environment and use the IPMI man- agement platform, please refer to the IPMI Configuration User Guide or go to the Support website at: http://www.asrockrack.com/support/faq.asp BMC Tools Load BMC Default Settings...
  • Page 57: Security

    EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series 3.5 Security In this section, you may set or change the supervisor/user password for the system. For the user password, you may also clear it. 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.
  • Page 58: Key Management

    3.5.1 Key Management In this section, expert users can modify Secure Boot Policy variables without full authenti- cation. Factory Key Provision Install factory default Secure Boot keys after the platform reset and while the System is in Setup mode. Install Default Secure Boot Keys Please install default secure boot keys if it’s the first time you use secure boot.
  • Page 59 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Remove 'UEFI CA' from DB Device Guard ready system must not list ‘Microsoft UEFI CA’ Certificate in Autho- rized 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.
  • Page 60 1. Public Key Certificate in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3. EFI PE/COFF Image(SHA256) Key Source: Factory, External, Mixed Forbidden Signatures Enroll Factory Defaults or load certificates from a file: 1.
  • Page 61 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series Key Source: Factory, External, Mixedt OsRecovery Signatures Enroll Factory Defaults or load certificates from a file: 1. Public Key Certificate in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3.
  • Page 62: Boot Screen

    3.6 Boot Screen In this section, it will display the available devices on your system for you to configure the boot settings and the boot priority. Boot Option #1 Use this item to set the system boot order. Boot Option Filter This option controls Legacy/UEFI ROMs priority.
  • Page 63 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series AddOn ROM Display Use this option to adjust AddOn ROM Display. If you enable the option “Full Screen Logo” but you want to see the AddOn ROM information when the system boots, please select [Enabled]. Configuration options: [Enabled] and [Disabled]. The default value is [Enabled].
  • Page 64: Csm Parameters

    3.6.1 CSM Parameters Enable to launch the Compatibility Support Module. Please do not disable unless you’re running a WHCK test. If you are using Windows Server 2012 R2 or later ver- sions 64-bit UEFI and all of your devices support UEFI, you may also disable CSM for faster boot speed.
  • Page 65 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series OCU1 Slot OpROM To select Slot Storage and Network Option ROM policy. In Auto option, the default is Dis- abled with NVMe device, but it is Legacy with other devices. (This item can’t select Video Option ROM policy.) M2_1 Slot OpROM To select Slot Storage and Network Option ROM policy.
  • Page 66: Event Logs

    3.7 Event Logs Change Smbios Event Log Settings This allows you to configure the Smbios Event Log Settings. When entering the item, you will see the followings: Smbios Event Log Use this item to enable or disable all features of the SMBIOS Event Logging during system boot.
  • Page 67 EPYCXXXXD4I-2T / EPYXXXXD4I-NL Series entries which utilize a multiple-event counter. The value ranges from 0 to 99 minutes. View Smbios Event Log Press <Enter> to view the Smbios Event Log records. All values changed here do not take effect until computer is restarted.
  • Page 68: Exit Screen

    3.8 Exit Screen Save Changes and Exit When you select this option, the following message “Save configuration changes and exit setup?” will pop-out. Press <F10> key or select [Yes] to save the 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 69: Chapter 4 Software Support

    4.2.4 Contact Information If you need to contact ASRock Rack or want to know more about ASRock Rack, welcome to visit ASRock Rack’s website at http://www.ASRockRack.com; or you may contact your...
  • Page 70: Chapter 5 Troubleshooting

    Chapter 5 Troubleshooting 5.1 Troubleshooting Procedures Follow the procedures below to troubleshoot your system. Always unplug the power cord before adding, removing or changing any hardware com- ponents. Failure to do so may cause physical injuries to you and damages to motherboard components.
  • Page 71 1. Verify if the 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...
  • Page 72: Technical Support Procedures

    5.2 Technical Support Procedures If you have tried the troubleshooting procedures mentioned above and the problems are still unsolved, please contact ASRock Rack’s technical support with the following information: 1. Your contact information 2. Model name, BIOS version and problem type.

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