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 Installation of Memory Modules (DIMM) Expansion Slots (PCI Express Slots) Jumper Setup Onboard Headers and Connectors ATX PSU / DC-IN Power Connections Unit Identification purpose LED/Switch Driver Installation Guide...
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3.1.1 UEFI Menu Bar 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...
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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 S4B2123 MB Physical Status Form Factor Mini-ITX Dimension 6.7'' x 6.7'' (17.02 cm x 17.02 cm) Processor System Supports Intel® Xeon® D-2123 Processors Chipset System Memory Capacity - 4 x 288-pin DDR4 DIMM slots - Support up to 256GB DDR4 ECC RDIMM / 512GB DDR4...
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S4B2123 IPMI Dedicated 1 x Realtek RTL8211E for dedicated management LAN GLAN - Watch Dog Features - NMI Graphics Controller ASPEED AST2500 Rear Panel I/O VGA Port D-sub x 1 - 2x GLAN RJ45(by Marvell 1514) Lan Port - 1 x RJ45 Dedicated IPMI LAN port - LAN Ports with LED (ACT/LINK LED and SPEED LED) USB 3.0...
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Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM, Voltage +1.1V,+1.0V, +BAT, 3VSB, 5VSB Support OS Microsoft® Windows® - Server 2008 R2 SP1 (64 bit) - Server 2012 (64 bit) - Server 2012 R2 (64 bit) Linux® - CentOS 6.6 (32 / 64 bit) / 7. 0 (64 bit) (only supports AHCI mode) - SUSE Enterprise Linux Server 11 SP3 (32 / 64 bit) / 12 (64 bit)
S4B2123 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 . With this utility, you can press the <F6> key during the POST or the <F2>...
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S4B2123 Description Rear Fan Connector (FAN2) PSU SMBus (PSU_SMB1) Intelligent Platform Management Bus header (IPMB_1) SATA Power Connector (ATX12V3)** ATX 12V Power Connector (ATX12V1) ATX 12V Power Connector (U6755)** 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) CPU Fan Connector (FAN1)
S4B2123 1.6 I/O Panel No. Description No. Description VGA Port (VGA1) 1G LAN RJ-45 Port (LAN1)** USB 3.0 Ports (USB3_1_2) 1G LAN RJ-45 Port (LAN2)** Dedicated IPMI LAN Port* LAN Port LED Indications *There are two LED next to the LAN port. Please refer to the table below for the LAN port LED indications.
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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 ACT/LINK LED SPEED LED 1G LAN Port (LAN3, LAN4) LED Indications Activity / Link LED Speed LED Status Description...
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. Failure to do so may cause physical injuries to you and damages to motherboard components.
S4B2123 2.3 Installation of Memory Modules (DIMM) This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual / Quad 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.
S4B2123 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.
2.5 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.
S4B2123 2.6 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard. System Panel Header...
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Mini SAS HD Connector The Mini SAS HD connector (SATA_0_3) supports SAS/SATA data (see p.6, No. 16) cables for internal storage devices. The current SAS3/ SATA3 interface allows up to SATA_0_3 12.0 Gb/s data transfer rate. For connecting SAS HDDs, please contact SAS data cable dealers.
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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. Front and Rear Please connect the fan cables to Fan Connectors...
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SATA Power Connector Please use a SATA power cable (DC-IN Mode) to connect this SATA Power (4-pin ATX12V3) Connector and your SATA +12V (see p.6, No. 4) HDD for supplying power from the motherboard, when using DC-IN mode without SATA power supply. *Caution: Misconnection between the ATX12V3 and the U6755 connectors may permanently damage the mother-...
S4B2123 2.7 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...
2.8 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.
S4B2123 2.10 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.
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2.11 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).
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S4B2123 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.
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2.12 M.2_SSD (NGFF) Module Installation Guide (M2_2) The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. This M.2_SSD (NGFF) Socket 3 can accommodate a M.2 PCI Express module up to Gen3 x4 (32 Gb/s) only.
S4B2123 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. Please press <F2> or <Del> during the Power-On-Self-Test (POST) to enter the UEFI SETUP UTILITY;...
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>...
S4B2123 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. All screenshots in this document are provided for reference only, and may be different by...
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 Information and Instant Flash. Setting wrong values in this section may cause the system to malfunction.
S4B2123 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.
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. Intel Hyper Threading Technology Intel Hyper Threading Technology allows multiple threads to run on each core, so that the overall performance on threaded software is improved.
S4B2123 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.
3.3.2 DRAM 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. DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assign the appropriate frequency automatically.
S4B2123 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).
Onboard LAN This allows you to enable or disable the Onboard LAN 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. PCIE7 Link Width This allows you to select PCIE7 Link Width.
S4B2123 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. SATA Mode Selection Identify the SATA port is connected to Solid State Drive or Hard Disk Drive.
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. 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.
S4B2123 3.3.6 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...
3.3.7 Super IO Configuration SOL Configuration Use this item to set parameters of SOL. SOL Port Use this item to set parameters of SOL. Change Settings Use this item to select an optimal setting for Super IO device.
S4B2123 3.3.8 Serial Port Console Redirection 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.
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]. Data Bits Use this item to set the data transmission size.
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S4B2123 Serial Port for Out-of-Band Management/Windows Emergency Management Services (EMS) 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.
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. Fan Control If [Auto] is selected, the fan speed will controlled by BMC.
S4B2123 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]..
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. S/W Error Injection Support When it is set to [Enabled], S/W Error Injection is supported by unlocking MSR Ox790.
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S4B2123 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.
S4B2123 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,...
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. Leave it blank and press enter to remove the password.
S4B2123 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. Enroll Efi Image Allow the image to run in Secure Boot mode.
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 #2 Use this item to set the system boot order. Boot Option #3 Use this item to set the system boot order.
S4B2123 Bootup Num-Lock If this item is set to [On], it 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.
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.
S4B2123 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.
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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.
S4B2123 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 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.
S4B2123 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.
S4B2123 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...
S4B2123 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...
S4B2123 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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