ASROCK Rack EPC621D4I-2M User Manual
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ASROCK Rack EPC621D4I-2M User Manual

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EPC621D6I
EPC621D4I-2M
User Manual
Version 1.0
Published February 2019
Copyright©2019 ASRock Rack INC. All rights reserved.

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Summary of Contents for ASROCK Rack EPC621D4I-2M

  • Page 1 EPC621D6I EPC621D4I-2M User Manual Version 1.0 Published February 2019 Copyright©2019 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

    Expansion Slot (PCI Express Slot) Jumper Setup Onboard Headers and Connectors Driver Installation Guide Dual LAN and Teaming Operation Guide 2.10 M.2_SSD (NGFF) Module Installation Guide (M2_1 / M2_2) (EPC621D4I-2M only) Chapter 3 UEFI Setup Utility Introduction 3.1.1 UEFI Menu Bar...
  • Page 5 3.1.2 Navigation Keys Main Screen Advanced Screen 3.3.1 CPU Configuration 3.3.2 DRAM Configuration 3.3.3 Chipset Configuration 3.3.4 Storage Configuration 3.3.5 ACPI Configuration 3.3.6 USB Configuration 3.3.7 Super IO Configuration 3.3.8 Serial Port Console Redirection 3.3.9 H/W Monitor 3.3.10 Runtime Error Logging 3.3.11 Intel SPS Configuration 3.3.12 Instant Flash Security...
  • Page 6 Chapter 4 Software Support Install Operating System 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 the ASRock Rack website without further notice. You may find the latest memory and CPU support lists on the ASRock Rack website as well.

  • Page 8: Specifications

    1.2 Specifications EPC621D4I-2M / EPC621D6I MB Physical Status Form Factor Mini ITX Dimension 6.7'' x 6.7'' (17.02 cm x 17.02 cm) Processor System Intel® Xeon® Scalable Processors  Socket Single Socket LGA3647 (Socket P) Chipset Intel® C621 System Memory EPC621D4I-2M: Capacity...
  • Page 9 EPC621D4I-2M / EPC621D6I Expansion Slot PCIe 3.0 x 16 PCIE3: Gen3 x16 link (from CPU1) Storage EPC621D4I-2M: SATA Controller Intel® C621: 7 x SATA3 6Gb/s (4 from mini-SAS HD , 1 x SATA DOM 6Gb/s and 2 x M.2 on bottom)), support RAID 0, 1, 5, 10 EPC621D6I: Intel®...
  • Page 10 256Mb AMI UEFI Legal BIOS BIOS Features - Plug and Play (PnP) - ACPI 2.0 Compliance Wake Up Events - SMBIOS 2.8.0 Support - ASRock Rack Instant Flash Hardware Monitor Temperature - CPU Temperature Sensing - System Temperature Sensing - CPU/Rear/Front Fan Tachometer...
  • Page 11 EPC621D4I-2M / EPC621D6I Environment This motherboard supports Wake from on Board LAN. To use this function, please make Temperature Operation temperature: 10°C ~ 35°C / Non operation sure that the “Wake on Magic Packet from power off state” is enabled in Device Manager temperature: -40°C ~ 70°C...

  • Page 12: Unique Features

    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.

  • Page 13: Motherboard Layout

    EPC621D4I-2M / EPC621D6I 1.4 Motherboard Layout Top View 17.0 cm (6.7 in) COM1 ATXPWR1 FAN2 PSU_SMB1 DDR4_B1 (64 bit, 260-pin module) BMC_SMB_1 AST2500 IPMB_1 DDR4_A1 (64 bit, 260-pin module) LAN1 LAN2 (NCSI) ATX12V1 USB 3.0 T: USB2 B: USB1 CPU1...
  • Page 14 Botton View (EPC621D6I) DDR4_C1 (64 bit, 260-pin module) BIOS DDR4_F1 (64 bit, 260-pin module) EPC621D6I...
  • Page 15 EPC621D4I-2M / EPC621D6I Botton View (EPC621D4I-2M) NUT80_1 BIOS EPC621D4I-2M NUT80_1...
  • Page 16 (EPC621D6I only) 1 x 260-pin DDR4 SODIMM Slot (DDR4_F1)* (EPC621D6I only) M.2 Socket (M2_1) (Type 2280) (EPC621D4I-2M only) M.2 Socket (M2_2) (Type 2280) (EPC621D4I-2M only) *For SO-DIMM installation and configuration instructions, please see p.20 (Installation of Memory Modules (SO-DIMM)) for more details.

  • Page 17: Onboard Led Indicators

    EPC621D4I-2M / EPC621D6I 1.5 Onboard LED Indicators ATXPWR1 FAN2 DDR4_B1 (64 bit, 260-pin module) AST2500 DDR4_A1 (64 bit, 260-pin module) CPU1 DDR4_D1 (64 bit, 260-pin modulee) FAN1 FAN3 Intel DDR4_E1 (64 bit, 260-pin module) C621 PCIE7 Status Description Green BMC heartbeat LED...

  • Page 18: I/O Panel

    1.6 I/O Panel No. Description No. Description VGA Port (VGA1) LAN RJ-45 Port (LAN2)* LAN RJ-45 Port (LAN1)* USB 3.1 (Gen1) Ports (USB3_1_2) LAN Port LED Indications *There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.

  • Page 19: Block Diagram

    EPC621D4I-2M / EPC621D6I 1.7 Block Diagram EPC621D4I-2M Block Diagram DDR4 2133/2400/2666 DDR4 2133/2400/2666 1 DIMM per channel 1 DIMM per channel INTEL Processor ® supported supported CH. A Xeon Skylake-SP Series ® LGA-3647 socket P1 205 W CH. B SLOT7...
  • Page 20 EPC621D6I Block Diagram DDR4 2133/2400/2666 DDR4 2133/2400/2666 1 DIMM per channel 1 DIMM per channel INTEL Processor ® supported supported CH. A Xeon Skylake-SP Series ® CH. B LGA-3647 socket P1 205 W CH. C SLOT7 PCIe GEN3 x16 1GbE RJ45 Marvell SGMII...

  • Page 21: Chapter 2 Installation

    EPC621D4I-2M / EPC621D6I 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.

  • Page 22: Installing The Cpu And Heatsink

    2.3 Installing the CPU and Heatsink 1. Before you insert the 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.
  • Page 23 EPC621D4I-2M / EPC621D6I 1. Before you installed the heatsink, you need to spray thermal interface material between the CPU and the heatsink to improve heat dissipation. 2. Illustration in this documentation are examples only. Heatsink or fan cooler type may differ.
  • Page 25 EPC621D4I-2M / EPC621D6I Tighten the two Corner Plunger to 12 IN.LB. Two turns at a time. Tighten the two Middle Nuts to 12 IN.LB. Two turns at a time.

  • Page 26: Installation Of Memory Modules (Sodimm)

    2.4 Installation of Memory Modules (SODIMM) This motherboard provides four (EPC621D4I-2M) or six (EPC621D6I) 260-pin DDR4 (Double Data Rate 4) SO-DIMM slots, and supports Daul, Quad and Six Channel Memory Technology. 1. For dual, quad and six channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 SO-DIMM pairs.
  • Page 27 EPC621D4I-2M / EPC621D6I...
  • Page 28 EPC621D6I only:...

  • Page 29: Expansion Slot (Pci Express Slot)

    EPC621D4I-2M / EPC621D6I 2.5 Expansion Slot (PCI Express Slot) There is 1 PCI Express slot on this motherboard. PCIE slot: PCIE7 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards. Slot Generation Mechanical Electrical Source...

  • Page 30: Jumper Setup

    2.6 Jumper 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”. The illustration shows a 3-pin jumper whose pin1 and pin2 are “Short” when a jumper cap is placed on these 2 pins.

  • Page 31: Onboard Headers And Connectors

    EPC621D4I-2M / EPC621D6I 2.7 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 32 GN D to connect a 3-Pin CPU fan, please connect it to Pin 1-3. *For more details, please refer to the Cooler QVL list on the ASRock Rack website. FAN_SPEED_CONTROL Front and Rear Fan Please connect fan cables to the...
  • Page 33 EPC621D4I-2M / EPC621D6I ATX Power Connector This motherboard provides a (24-pin ATXPWR1) 24-pin ATX power connector. (see p.7, No. 2) To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. ATX 12V Power This motherboard provides...
  • Page 34 Intelligent Platform This 4-pin connector is used IPMB_SDA Management Bus header to provide a cabled base-board IPMB_SCL (4-pin IPMB_1) or front panel connection for (see p.7, No. 7) value added features and 3rd- party add-in cards, such as No Connect Emergency Management cards, t h a t p r o v i d e m a n a g e m e n t features using the IPMB.

  • Page 35: Driver Installation Guide

    EPC621D4I-2M / EPC621D6I 2.8 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...

  • Page 36: 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 37 EPC621D4I-2M / EPC621D6I 2.10 M.2_SSD (NGFF) Module Installation Guide (M2_1 / M2_2) (EPC621D4I-2M only) 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. This M.2_SSD (NGFF) Socket 3 can accommodate a M.2 PCI Express module up to Gen3 x4 (32 Gb/s)

  • Page 38: Chapter 3 Uefi Setup Utility

    Chapter 3 UEFI Setup Utility 3.1 Introduction Th is section explains how to use the UEFI SETUP UTILITY to confi gure your system. Th e UEFI chip on the motherboard stores the UEFI SETUP UTILITY. You may run the UEFI SETUP UTILITY when you start up the computer.

  • Page 39: Navigation Keys

    EPC621D4I-2M / EPC621D6I 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 40: Main Screen

    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 41: Advanced Screen

    EPC621D4I-2M / EPC621D6I 3.3 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, DRAM Configuration, Chipset Configuration, Storage Configuration, ACPI Configura- tion, USB Configuration, Super IO Configuration, Serial Port Console Redirection, H/W Monitor, Runtime Error Logging, Intel SPS Configuration and Instant Flash.

  • Page 42: Cpu Configuration

    3.3.1 CPU Configuration Intel SpeedStep Technology Intel SpeedStep technology allows processors to switch between multiple frequencies and voltage points for better power saving and heat dissipation. CPU turbo ratio can be fixed when Intel SpeedStep Technology set Disabled and Intel Turbo Boost Technology set En- abled.
  • Page 43 EPC621D4I-2M / EPC621D6I Short Duration Power Limit Configure Package Power Limit 2 in watts. When the limit is exceeded, the CPU ratio will be lowered immediately. A lower limit can protect the CPU and save power, while a higher limit may improve performance.
  • Page 44 CPU C6 State Support Enable C6 deep sleep state for lower power consumption. Enhanced Halt State (C1E) Enable Enhanced Halt State (C1E) for lower power consumption. Hardware P-States Disable: Hardware chooses a P-state based on OS Request (Legacy P-States) Native Mode: Hardware chooses a P-state based on OS guidance Out of Band Mode: Hardware autonomously chooses a P-state (no OS guidance) AES-NI Use this item to enable or disable AES-NI support.

  • Page 45: Dram Configuration

    EPC621D4I-2M / EPC621D6I 3.3.2 DRAM Configuration DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assign the appropriate frequency automatically. Channel Interleaving Select to configure Channel Interleaving settings. Rank Interleaving Select to configure Rank Interleaving settings.
  • Page 46 Multi Rank Sparing Set Multi Rank Sparing number, default and the maximum is 2 ranks per channel. Patrol Scrub Enable or disable Patrol Scrub. Data Scrambling for DDR4 Enable - Enables data scrambling for DDR4. Disable - Disables this feature. Auto - Sets it to the MRC default setting;...

  • Page 47: Chipset Configuration

    EPC621D4I-2M / EPC621D6I 3.3.3 Chipset Configuration MMCFG Base Use this item to select MMCFG Base. MMIO High Base Use this item to select MMIO High Base. MMIO High Size Use this item to select MMIO High Size. 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).
  • Page 48 Onboard LAN This allows you to enable or disable the Onboard LAN1 feature. VT-d Intel Virtualization Technology for Directed I/O helps your virtual machine monitor bet- ter utilize hardware by improving application compatibility and reliability, and providing additional levels of manageability, security, isolation, and I/O performance. MINISAS HD Switch This allows you to configure MINISAS HD selection.

  • Page 49: Storage Configuration

    EPC621D4I-2M / EPC621D6I 3.3.4 Storage Configuration Hard Disk S.M.A.R.T. Use this item to enable or disable the S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) feature. Configuration options: [Disabled] and [Enabled]. SATA Controller Use this item to enable or disable SATA Controllers.
  • Page 50 <Ctrl+I> to enter RAID ROM during UEFI POST process. sSATA ALPM Use this item to enable or disable SALP.

  • Page 51: Acpi Configuration

    EPC621D4I-2M / EPC621D6I 3.3.5 ACPI Configuration PCIE Devices Power On Use this item to enable or disable PCIE devices to turn on the system from the power-soft- off mode. Ring-In Power On Use this item to enable or disable Ring-In signals to turn on the system from the power- soft-off mode.

  • Page 52: Usb Configuration

    3.3.6 USB Configuration Legacy USB Support Use this option to enable or disable legacy support for USB devices. The default value is [Enabled].

  • Page 53: Super Io Configuration

    EPC621D4I-2M / EPC621D6I 3.3.7 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. Change Settings Use this item to select an optimal setting for Super IO device.

  • Page 54: Serial Port Console Redirection

    3.3.8 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 55 EPC621D4I-2M / EPC621D6I 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], [38400], [57600] and [115200].
  • Page 56 Resolution On Legacy OS, the Number of Rows and Columns supported redirection. Redirect After POST If the [LoadBooster] is selected, legacy console redirection is disabled before booting to legacy OS. If [Always Enabled] is selected, legacy console redirection is enabled for legacy OS.

  • Page 57: H/W Monitor

    EPC621D4I-2M / EPC621D6I 3.3.9 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.
  • Page 58 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 59: Runtime Error Logging

    EPC621D4I-2M / EPC621D6I 3.3.10 Runtime Error Logging WHEA Support Use this item to enable or disable Windows Hardware Error Architecture. System Error Use this item to enable or disable System Error feature. When it is set to [Enabled], you can configure Memory Error and PCIE Error log features.
  • Page 60 PCIE Uncorrected Error Enable Use this item to enable or disable PCIe Uncorrectable errors. PCIE Fatal Error Enable Use this item to enable or disable PCIe Ftal errors.

  • Page 61: Intel Sps Configuration

    EPC621D4I-2M / EPC621D6I 3.3.11 Intel SPS Configuration SPS screen displays the Intel SPS Configuration information, such as Operational Firmware Version and Firmware State.

  • Page 62: Instant Flash

    3.3.12 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 63: Security

    EPC621D4I-2M / EPC621D6I 3.4 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 64: Key Management

    3.4.1 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 65 EPC621D4I-2M / EPC621D6I Authorized Signature Database (db). Remove 'UEFI CA' from DB Device Guard ready system must not list ‘Microsoft UEFI CA’ Certificate in 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.
  • Page 66 Authorized 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. EFI PE/COFF Image(SHA256) Key Source: Default, External, Mixed Forbidden Signatures Enroll Factory Defaults or load certificates from a file: 1.
  • Page 67 EPC621D4I-2M / EPC621D6I 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 in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2.

  • Page 68: Boot Screen

    3.5 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 69 EPC621D4I-2M / EPC621D6I 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 want to see the AddOn ROM information when the system boots, please select...

  • Page 70: Csm Parameters

    3.5.1 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 71 EPC621D4I-2M / EPC621D6I M_2_1 Slot OpROM (EPC621D4I-2M only) Use this item to select slot storage and Network Option ROM policy. In Auto option, the default is Disabled with NVMe device, but it is Legacy with other devices. (This item can't select Video Option ROM policy.)

  • Page 72: Event Logs

    3.6 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 73: Server Mgmt

    EPC621D4I-2M / EPC621D6I 3.7 Server Mgmt Wait For BMC Wait For BMC response for specified time out. In PILOTII, 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 74: System Event Log

    3.7.1 System Event Log SEL Components Change this to enable ro disable all features of System Event Logging 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 or both.

  • Page 75: Bmc Network Configuration

    EPC621D4I-2M / EPC621D6I 3.7.2 BMC Network Configuration BMC Out of band Access Use this item to enable or disable BMC Out of Band Access. 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 76 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...

  • Page 77: Exit Screen

    EPC621D4I-2M / EPC621D6I 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.

  • Page 78: 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 79: Chapter 5 Troubleshooting

    EPC621D4I-2M / EPC621D6I 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 80 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 81: Technical Support Procedures

    EPC621D4I-2M / EPC621D6I 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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