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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.
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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,...
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 Installing the CPU Installing the CPU Fan and Heatsink Installation of Memory Modules (DIMM) Expansion Slots (PCI Express Slots) Jumper Setup Onboard Headers and Connectors Dr.
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Chapter 3 UEFI Setup Utility Introduction 3.1.1 UEFI Menu Bar 3.1.2 Navigation Keys Main Screen Advanced Screen 3.3.1 CPU Configuration 3.3.2 Memory Configuration 3.3.3 Chipset Configuration 3.3.4 Storage Configuration 3.3.5 Super IO Configuration 3.3.6 Serial Port Console Redirection 3.3.7 H/W Monitor 3.3.8 Runtime Error Logging 3.3.9 Intel ME Configuration 3.3.10 ACPI Configuration...
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Event Logs Exit Screen 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...
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.
1.2 Specifications WC422D8A-2T / WC422D8A-2T/U MB Physical Status Form Factor Dimension 12.0-in x 9.6-in (30.5 cm x 24.4 cm) Processor System Intel® Skylake-W Processors Socket Single Socket R4(LGA 2066) Chipset Intel® C422 System Memory Capacity - 8 x 288-pin DDR4 DIMM slots...
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WC422D8A-2T / WC422D8A-2T/U - 2 x RJ45 GLAN by Intel® X550 - Supports Wake-On-LAN - Supports Energy Efficient Ethernet 802.3az - Supports Dual LAN with Teaming function - Supports PXE - LAN1 Supports NCSI Management BMC Controller ASPEED AST2500 : IPMI (Intelligent Platform Management Interface) 2.0 with Ikvm and vMedia support...
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128Mb 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 -Card side Temperature Sensing...
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WC422D8A-2T / WC422D8A-2T/U Virtual - VMWare® Workstation 12 - Citrix XenServer 7.5 - Win hyper-V Server 2016 * Please refer to our website for the latest OS support list. * On Ubuntu 16.04 (64bit) system, Intel Raid mode only supports UEFI BOOT.
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.
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Description M.2 Socket (M2_1) (Type 2230/2242/2260/2280/22110)*** Virtual RAID On CPU Header (VROC1) TPM Header (TPMS1) USB 2.0 Header (USB2_1_2) SATADOM Power Jumper (SATAPWR1) USB 3.0 Header (USB3_5_6) SATA3 DOM Connector (SATA_7) System Panel Header (PANEL1) Auxiliary Panel Header (AUX_PANEL1) Power LED and Speaker Header (SPK_PLED1) Clear CMOS Jumper (CLRMOS1) Thermal Sensor Header (TR1) COM Port Header (COM1)
WC422D8A-2T / WC422D8A-2T/U 1.6 I/O Panel No. Description No. Description UID Button (UID1) Central / Bass (Orange) VGA Port (VGA1) Rear Speaker (Black) LAN RJ-45 Port (IPMI_LAN)* Optical SPDIF Out Port USB 3.0 Ports (USB3_1_2) Line In (Light Blue) PS/2 Mouse/Keyboard Port Front Speaker (Lime)*** USB 3.0 Ports (USB3_3_4)
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**There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications. ACT/LINK LED SPEED LED LAN Port 10G LAN Port (LAN1, LAN2) LED Indications Activity / Link LED Speed LED Status Description Status Description...
Chapter 2 Installation This is an ATX form factor (12” x 9.6”, 30.5 cm x 24.4 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. Failure to do so may cause physical injuries to you and damages to motherboard components.
WC422D8A-2T / WC422D8A-2T/U Do not over-tighten the screws! Doing so may damage the motherboard. 2.2 Pre-installation 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.
2.3 Installing the CPU 1. Before you insert the 2066-Pin CPU into the socket, please check if the PnP cap is on the socket, if the CPU surface is unclean, or if there are any bent pins in the socket. Do not force to insert the CPU into the socket if above situation is found.
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Please save and replace the cover if the processor is removed. The cover must be placed if you wish to return the motherboard for after service.
2.5 Installation of Memory Modules (DIMM) This motherboard provides eight 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Quad Channel Memory Technology. 1. 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.
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WC422D8A-2T / WC422D8A-2T/U 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.
PCIE4 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width cards. PCIE5 (PCIE 3.0 x8 slot) is used for PCI Express x8 lane width cards. PCIE6 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width cards. *PCIE1 is supported for WC422D8A-2T only. Slot Generation...
WC422D8A-2T / WC422D8A-2T/U 2.7 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”...
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Chassis ID0 Jumper (3-pin CHASSIS_ID0) Chassis ID1 Jumper (3-pin CHASSIS_ID1) Chassis ID2 Jumper (3-pin CHASSIS_ID2) Board Level SKU (Default) Reserved for system level Chassis ID0 Jumper (3-pin CHASSIS_ID0) Chassis ID1 Jumper (3-pin CHASSIS_ID1) Chassis ID2 Jumper (3-pin CHASSIS_ID2) Reserved for system level Reserved for system level Chassis ID0 Jumper (3-pin CHASSIS_ID0)
2.8 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 Connect the power switch, PLED+ PLED-...
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WC422D8A-2T / WC422D8A-2T/U Auxiliary Panel Header This header supports multiple (18-pin AUX_PANEL1) functions on the front panel, including the front panel SMB, internet status indicator and chassis intrusion pin. A. Front panel SMBus connecting pin (6-1 pin FPSMB) This header allows you to connect SMBus (System Management Bus) equipment. It can be used for communication between peripheral equipment in the system, which has slower transmission rates, and power management equipment.
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Serial ATA3 Connectors These ten SATA3 connectors (SATA_0) support SATA data cables for (SATA_1) internal storage devices with (SATA_2) up to 6.0 Gb/s data transfer (SATA_3) rate. (SATA_4) *By default, USB3_7 supports a USB 2.0 device and both M_SATA_0 and (SATA_5) M_SATA_1 are enabled.
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WC422D8A-2T / WC422D8A-2T/U USB 3.0 Connector *By default, USB3_7 supports a USB 2.0 device and both M_SATA_0 and (USB3_7) M_SATA_1 are enabled. (see p.7, No.33) *To enable USB3_7 to support a USB 3.0 device, please go to the BIOS Settings: BIOS Menu > Advanced >...
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6-Pin CPU fan (Quiet Fan) connectors. If you plan FAN_VOLTAGE FAN_SPEED FAN_SPEED_CONTROL to connect a 3-Pin CPU fan, SENSOR please connect it to Pin 1-3. *For more details, please refer to the Cooler QVL list on the ASRock Rack website.
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WC422D8A-2T / WC422D8A-2T/U Front Fan Connectors Please connect fan cables to the (6-pin FRNT_FAN1) fan connectors and match the (6-pin FRNT_FAN2) black wire to the ground pin. FAN_VOLTAGE (6-pin FRNT_FAN3) All fans support Fan Control. FAN_SPEED FAN_SPEED_CONTROL (6-pin FRNT_FAN4) SENSOR...
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TPM Header This connector supports (17-pin TPMS1) 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. SCLOCK Serial General Purpose This header supports Serial SLOAD Input/Output Headers...
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WC422D8A-2T / WC422D8A-2T/U Baseboard Management This header is used for the SM Controller SMBus Header BUS devices. (5-pin BMC_SMB_1) BMC_SMB_PRESENT_1_N Power BMC_SMBCLK BMC_SMBDATA Thermal Sensor Header Please connect the thermal (3-pin TR1) sensor cable to either pin 1-2 or pin 2-3 and the other end to the device which you wish to monitor its temperature.
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Virtual RAID On CPU This connector supports Intel® +3VSB Header Virtual RAID on CPU and VROC RAID KEY (4-pin VROC1) NVME/AHCI RAID on CPU PCIE. With the introduction of the Intel VROC product, there are three modes of operation: HW key required Key features • Pass-thru only (no RAID) • LED Management...
2.9 Dr. Debug Dr. Debug is used to provide code information, which makes troubleshooting even easier. Please see the diagrams below for reading the Dr. Debug codes. Code Description 0x10 PEI_CORE_STARTED 0x11 PEI_CAR_CPU_INIT 0x15 PEI_CAR_NB_INIT 0x19 PEI_CAR_SB_INIT 0x31 PEI_MEMORY_INSTALLED 0x32 PEI_CPU_INIT 0x33 PEI_CPU_CACHE_INIT...
2.10 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.
WC422D8A-2T / WC422D8A-2T/U 2.12 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.
2.13 M.2_SSD (NGFF) Module Installation Guide The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The M.2 Sockets (M2_1 / M2_1) support M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (16 Gb/s).
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WC422D8A-2T / WC422D8A-2T/U Step 3 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.
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Step 6 Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module. NUT2 NUT1...
WC422D8A-2T / WC422D8A-2T/U 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.
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>...
WC422D8A-2T / WC422D8A-2T/U 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.
3.3 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, Memory Configuration, Chipset Configuration, Storage Configuration, Super IO Configu- ration, Serial Port Console Redirection, H/W Monitor, Runtime Error Logging, Intel ME Information, ACPI Configuration, USB Configuration and Instant Flash. Setting wrong values in this section may cause the system to malfunction.
WC422D8A-2T / WC422D8A-2T/U 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.
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CPU C States Support Enable CPU C States Support for power saving. It is recommended to keep C3, C6 and C7 all enabled for better power saving. Enhanced Halt State(C1E) Enable Enhanced Halt State (C1E) for lower power consumption. CPU C6 State Support Enable C6 deep sleep state for lower power consumption.
WC422D8A-2T / WC422D8A-2T/U 3.3.2 Memory Configuration Enforce POR Enforce POR - Enforces Plan Of Record restrictions for DDR4 frequency and voltage programming. Disable - Disables this feature. Auto - Sets it to the MRC default setting: current default is Enable.
3.3.3 Chipset Configuration Above 4G Decoding Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space (only if the system supports 64 bit PCI decoding). VT-d Intel 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.
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WC422D8A-2T / WC422D8A-2T/U PCIE5 & PCIE6 Link Speed This allows you to select PCIE5 & PCIE6 Link Speed. The default value is [Auto]. PCIE5 & PCIE6 ASPM Support This option enables or disables the ASPM support for all downstream devices.
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Onboard HD Audio Use this item to automatically enable or disable onboard HD audio. Set to Auto to enable onboard HD audio and automatically disable it when a sound card is installed. Front Panel Use this item to set front panel HD audio to Auto or Disabled. PS2 Y-Cable Enable the PS2 Y-Cable or set this option to Auto.
WC422D8A-2T / WC422D8A-2T/U 3.3.4 Storage Configuration SATA Controller(s) Use this item to enable or disable SATA Controllers. SATA/M.2_SATA Mode Selection Identify the SATA/M.2_SATA port is connected to Solid State Drive or Hard Disk Drive. Press <Ctrl+I> to enter RAID ROM during UEFI POST process.
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[AHCI Mode]. Press <Ctrl-M> to enter RAID ROM during UEFI POST process. Bootable Marvell 9172 SATA3 We recommend to use Intel SATA ports (Port 0~5) for your bootable devices. This will minimize your boot time and get the best performance. If you still want to boot from Marvell SATA3 controller, please set this item to [Yes] Easy RAID Installer Easy RAID Installer helps you to copy the RAID driver from a support CD to your USB...
WC422D8A-2T / WC422D8A-2T/U 3.3.5 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.
3.3.6 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.
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WC422D8A-2T / WC422D8A-2T/U 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].
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computer and the host computer to which you are connected exchange information. Legacy Serial Redirection Port Use this item to select a COM port to display redirection of Legacy OS and Legacy OPROM Messages. Serial Port for Out-of-Band Management/Windows Emergency Management Services (EMS) Console Redirection Use this option to enable or disable Console Redirection.
WC422D8A-2T / WC422D8A-2T/U 3.3.7 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.
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FRNT_FAN5 This allows you to set the front fan 5’s speed. The default value is [Smart Fan]. Smart Fan Control This allows you to set the Smart fan’s level speed. Smart Fan Duty Control Smart Fan Duty x (x means 1 to 11 stage) This allows you to set duty cycle for each stage.
WC422D8A-2T / WC422D8A-2T/U 3.3.8 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.
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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.
WC422D8A-2T / WC422D8A-2T/U 3.3.9 Intel ME Configuration Intel ME Configuration screen displays the Intel ME Configuration information, such as Operational Firmware Version and Firmware State.
3.3.10 ACPI Configuration Suspend to RAM Select disable for ACPI suspend type S1. It is recommended to select auto for ACPI S3 power saving. Ring-In Power On Allow the system to be waked up by onboard COM port modem Ring-In signals. RTC Alarm Power On Allow the system to be waked up by the real time clock alarm.
WC422D8A-2T / WC422D8A-2T/U 3.3.11 USB Configuration Legacy USB Support Enable or disable Legacy OS Support for USB 2.0 devices. If you encounter USB compatibility issues it is recommended to disable legacy USB support. Select UEFI Setup Only to support USB devices under the UEFI setup and Windows/Linux operating systems only.
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.
WC422D8A-2T / WC422D8A-2T/U 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.
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Clear Secure Boot keys Force System to Setup Mode - clear all Secure Boot Variables. Change takes effect after reboot. Install Default Secure Boot Keys Please install default secure boot keys if it’s the first time you use secure boot.
WC422D8A-2T / WC422D8A-2T/U 3.4.1 Key Management In this section, expert users can modify Secure Boot Policy variables without full authenti- cation. Install Default Secure Boot Keys Please install default secure boot keys if it’s the first time you use secure boot.
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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, Test Key Exchange Keys 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...
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WC422D8A-2T / WC422D8A-2T/U 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, Test Authorized TimeStamps Enroll Factory Defaults or load certificates from a file: 1.
3.5 Boot Screen This section displays 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. Boot From Onboard LAN Use this item to enable or disable the Boot From Onboard LAN feature.
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WC422D8A-2T / WC422D8A-2T/U AddOn ROM if you've enabled Full Screen Logo. Disable for faster boot speed. CSM (Compatibility Support Module) 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.
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PCIE1 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.) OCU1 Slot OpROM To select Slot Storage and Network Option ROM policy.
WC422D8A-2T / WC422D8A-2T/U 3.6 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 30 seconds to initialize Host to BMC interfaces.
3.6.1 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.
WC422D8A-2T / WC422D8A-2T/U 3.6.2 BMC Network Configuration BMC Out of Band Access Use this item to enable or disable 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.
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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 VLAN Enabled/Disabled Virtual Local Area Network.
WC422D8A-2T / WC422D8A-2T/U 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.
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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.
WC422D8A-2T / WC422D8A-2T/U 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.
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...
WC422D8A-2T / WC422D8A-2T/U 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.
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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...
WC422D8A-2T / WC422D8A-2T/U 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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