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CX271-S4056 S4056X271RAU24 MS-S378 Server System User Guide...
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Contents Regulatory Notices ....................4 System Specifications .....................9 System Overview ....................11 System LED Indicators ...................14 Block Diagram ......................15 System Storage Topology ..................16 Overview of Components ..................17 MGT1 DC-SCM Module ...................18 Specifications ......................18 Overview of Components ..................19 Rear I/O Panel ......................20 System LED Indicators ...................21 Component Contents ....................22 Connectors and Components ................23 Jumpers ........................26...
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Jumpers ........................49 Onboard LEDs......................50 Getting Started .......................51 System Setup......................52 Drive Bay .........................52 System Cover ......................54 CPU & Heatsink ......................55 Memory Slots ......................59 Hardware Root of Trust Module ................62 System Fan......................64 Installing OCP Card ....................66 Air Duct ........................67 Power Supply Unit (PSU) ..................69 Cable Routing ......................70 Slide Rail .........................72 Contents...
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Chemical Substances Information In compliance with chemical substances regulations, such as the EU REACH Regulation (Regulation EC No. 1907/2006 of the European Parliament and the Council), MSI provides the information of chemical substances in products at: https://csr.msi.com/global/index CE Conformity Hereby, Micro-Star International CO., LTD declares that this device is in compliance with the essential safety requirements and other relevant provisions set out in the European Directive.
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Battery Information Please take special precautions if this product comes with a battery. Danger of explosion if battery is incorrectly replaced. Replace only with the ● same or equivalent type recommended by the manufacturer. Avoid disposal of a battery into fire or a hot oven, or mechanically crushing or ●...
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Safety Information ⚠ Please read and follow these safety instructions carefully before installing, operating or performing maintenance on the server. General Safety Instructions Always read the safety instructions carefully. ● Keep this User’ s Manual for future reference. ● Keep this equipment away from humidity. ●...
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Installation and Handling This equipment must be installed in restricted access areas by qualified personnel to comply with safety standards set by the NEC and IEC 62368-1, Third Edition, for Information Technology Equipment. Lifting and Placemen Follow occupational health and safety guidelines for manual material handling. ●...
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Safety: IEC/EN 62368-1 ● This equipment is compliant with CB/LVD of Safety: IEC/EN 62368-1: 2014. The elements of the instructional safeguard shall be as follows: element 1a: IEC 60417-6056(2011-05) for moving fan blades or IEC 60417-6057(2011-05) for other moving parts element 2: “Moving part”...
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System Specifications Model CX271-S4056 SKUs S4056X271RAU24 Form factor • 2U Dimensions • 438mm(17.2” ) Wx 87mm(3.4” ) Hx 764mm(30” )D • Single AMD EPYC™ 9004 series and EPYC™ 9005 series processors, up to TDP Processor 500W Socket • 1 x LGA6096 (Socket SP5) •...
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Model CX271-S4056 SKUs S4056X271RAU24 • 1 x 1000Base-T Dedicated Server Management Port • ASPEED AST2600 with AMI MegaRAC based firmware supporting IPMI 2.0 and Server DMTF Redfish API Management • Dual BIOS and dual BMC • eMMC for local BMC storage media •...
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System Overview 24x2.5 “ NVMe Hot-Swap Drive Bays OCP#0 OCP#0 OCP#1 OCP#1 System Overview...
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USB3.0 Type-A Port This connector is provided for USB peripheral devices. (Speed up to 640 Mbps) ⚠ Important Low-speed devices, such as mouse or keyboard, are suggested to be plugged into the USB 3.0 ports. System Power Button/ LED System Reset Button System Alarm LED NIC Link LEDs M.2 Activity LED...
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System Status LED The System Status LED is provided for indicators for system. Status Description System is running/normal operation System Status LED BMC anomaly detected. Check BMC log for details. Green BMC initialization System Power Button/ LED OCP 3.0 Mezzanine Slot Power Supply Unit System Overview...
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System LED Indicators UID Button/ LED System Power Button/ LED System Reset Button M.2 Activity LED System Alarm LED NIC Link LED NIC Link LED LED State Description System power is on Blue System power is on ACPI S0 state System Power LED Blinking System is sleeping...
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Overview of Components OCP0 OCP1 DC-SCM BATTERY CPLD1 CPU0 Overview of Components...
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MGT1 DC-SCM Module Specifications Model MGT1 Form factor DC-SCM v2.0 Dimensions 120mm (4.72") x 420mm (3.54") Chipset ASPEED AST2600 Networking 1 x 1000Base-T dedicated server management port Graphics 1 x mini DisplayPort • 1 x USB 2.0 Type-A port (480 Mbps) •...
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Overview of Components Overview of Components...
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Rear I/O Panel 1000Base-T Ethernet COM USB Type-A port Ports (for mgmt.) UID Button & System Reset Button Power Button Mini DisplayPort System Status LED USB 2.0 Type-A Port COM USB Type-A port This port allows for serial data transmission over a USB connection, enabling remote or direct console access.
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System LED Indicators 1000Base-T Ethernet Ports (for mgmt.) UID Button/ LED System Reset Button Link/ Activity LED Speed LED Power Button/ LED System Status LED LED State Description Power LED System power is on Green System power is on ACPI S0 state System is sleeping Blinking System power is off...
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Connectors and Components TPM: SPI TPM Header (for TPM20-IRS) This header connects to a TPM (Trusted Platform Module) module (optional). Please refer to the TPM security platform manual for more details. PRSNT# RST# MOSI PIRQ MISO PP/Reserved Installing TPM module 1.
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M2_1: M.2 Slot (M Key, for ROT1) Please install the M.2 3060 module into the M.2 slot as shown below. Installing M.2 3060 module 1. Insert your M.2 module into the M.2 slot at a 30-degree angle. 30° Supplied M.2 screw 2.
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J_JTAG: Manual Programming Header (Debug Use) J_JTAG and J3C5 are used to manually debug and update CPLD firmware with programming tool. Connectors and Components...
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Jumpers ⚠ Important Avoid adjusting jumpers when the system is on; it will damage the motherboard. Default Jumper Name Description Setting Force BMC Update Jumper J3D2 1-X: Normal (default) 1-2: BMC Force Update FRU Jumper J3C1 1-2: FRU Write Protected 2-3: FRU Normal Operated (default) JTAG SW Jumper J3C5...
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Onboard LED LED1: BMC Heartbeat LED This LED indicates the BMC (Baseboard Management Controller) status. Status Description BMC is not activated BMC is functioning normally Blinking Onboard LED...
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Expansion Slots PCIE_SLOT0: PCIe 5.0 x16 MCIO(SFF-TA-1033) Slots PCIE_SLOT1: PCIe 5.0 x16 MCIO(SFF-TA-1033) Slots PCIE_SLOT0~1:PCIe Expansion Slots The PCI Express(Peripheral Component Interconnect Express) slots support PCIe interface expansion cards. ⚠ Important When adding or removing expansion cards, make sure that you unplug the power supply first.
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Connectors Storage Connectors JMCIO0~7: MCIO 8i Connectors These vertical 74-pin Mini Cool Edge IO (MCIO) connectors, which support PCIe 5.0 x8 interface, delivering a per-lane transfer rate of 32GT/s. M2_0/M2_1 JMCIO0 JMCIO1 JMCIO4 JMCIO5 JMCIO3 JMCIO2 JMCIO7 JMCIO6 MCIO 8i Transmission Rate Table Name Description JMCIO0~7...
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Power Connectors(on MS-S3781) JPWR0 JPICPWR4 JPICPWR3 JPICPWR5 JPICPWR2 JPICPWR1 JPICPWR0 JPICPWR0~3: PIC Power Connectors The PICPWR(Platform Infrastructure Connectivity Power) connector enables the HPM(Host Processor Module) to supply power and manage sideband signals to peripherals,including the GPU Cards (JPICPWR4~5), the Power Distribution Board(JPICPWR1~3)and the Fan Board(JPICPWR0).
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JPICPWR1~2: 12-Pin Power Connectors These connectors provide power output to HPM. Power Signals P12V P12V P12V P12V P12V JPICPWR1/JPICPWR2 P12V Sideband Management Signals FM_HPM_JPWR1_B_SB1/ FM_HPM_JPWR1_A_SB1/ FM_HPM_JPWR2_B_SB1 FM_HPM_JPWR2_A_SB1 FM_HPM_JPWR1_B_SB2/ FM_HPM_JPWR1_A_SB2/ FM_HPM_JPWR2_B_SB2 FM_HPM_JPWR2_A_SB2 FM_PS_ON_N/NC FM_PS_PWROK/NC FM_PS_SMB_ALERT_N/NC NC/NC SMB_JPWR1_1B_LVC3_SCL/ SMB_JPWR1_1A_LVC3_SCL/ SMB_JPWR2_1B_LVC3_SCL SMB_JPWR2_1A_LVC3_SCL SMB_JPWR1_1B_LVC3_SDA/ SMB_JPWR1_1A_LVC3_SDA/ SMB_JPWR2_1B_LVC3_SDA SMB_JPWR2_1A_LVC3_SDA...
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JPICPWR0: 12-Pin Fan board Power Connectors These connectors provide power output to Fans. JPICPWR4~5: 12-Pin GPU Power Connectors These connectors provide power output to GPUs. Power Signals P12V P12V P12V P12V P12V JPICPWR4/JPICPWR5 P12V Sideband Management Signals FM_HPM_ FM_HPM_PICPWR_A_ PICPWR_B_SB1 FM_HPM_ FM_HPM_PICPWR_A_ PICPWR_B_SB2...
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Cooling Connectors JCPUFAN0 JCPUFAN0: CPU Fan Connector The fan power connectors support CPU cooling fans. FAN_TACH JCPUFAN0 P12V FAN_PWM Cooling Connectors...
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USB Connectors JUSB3_0 JUSB3_0: USB 3.0 Connector The USB (Universal Serial Bus) port is for attaching USB devices such as keyboard, mouse, or other USB-compatible devices. It supports up to 5Gbps and backward compatibility with USB 2.0 devices (480 Mbps). P5V_USB_2 P0_USB01_SS_ESD_RXN P0_USB01_SS_ESD_RXP...
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Other Connectors and Components JINTRUDER: Chassis Intrusion Header This connector connects to the chassis intrusion switch cable. If the chassis is opened, the chassis intrusion mechanism will be activated. The system will record this status and show a warning message on the screen. To clear the warning, you must enter the BIOS utility and clear the record.
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J2: PDB Management Connector The PDB Management header connects to the power distribution board (PDB). P12V_STBY_PSU P12V_STBY_PSU ISENSE_I_PSYS_R VSENSE_LOCAL_V_PSYS_R P12V_STBY_PSU P12V_STBY_PSU PDB_SGPIO_LD PDB_SGPIO_CK PDB_SGPIO_DO PDB_SGPIO_DI SMB_PS_CLK_R SMB_PS_DAT_R TP_FULL_PWR_CYCLE_N Other Connectors and Components...
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SFP0~1: DC-MHS Control Panel Header The DC-MHS control panel header for M-PESTI connects the HPM to the server’ sfront panel, enabling essential controls such as power, LED indicators, buttons, and sideband signals for management and monitoring. DC-MHS (Data Center Modular Hardware System) is a modular framework ●...
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OCP0~1: OCP 3.0 Mezzanine Slot This slot enables the deployment of a wide variety of additional options through OCP(Open Compute Project) network interface cards (NICs) or other expansion Cards. OCP1: OCP 3.0 SFF OCP0: OCP 3.0 SFF (PCIe 5.0 x16) (PCIe 5.0 x16) OB14 OA14...
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DC-SCM: DC-SCM 2.0 Edge Slot The slot links the Datacenter Secure Control Module (DC-SCM) to the motherboard, enabling centralized power, management, and security control across server hardware. This standardized interface allows easy upgrades and compatibility across various platforms. DC-SCM: DC-SCM 2.0 Edge Slot (PCIe 5.0 x1 from CPU0) OB14 OA14...
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SMB16_IPMB_LVC3_SCL SPI_CPU0_TPM_MOSI_LVC18_MUX_R1 SMB16_IPMB_LVC3_SDA SPI_CPU0_TPM_MISO_LVC18_MUX_R1 FM_SCM_PRSNT0_LVC3_N SCM_GPIO SPI_BMC_FP_CK_R SPI_IRQ_SCM_TPM_N SPI_BMC_FP_MISO_R SPI_BMC_FP_MOSI_R SPI_BMC_FP_CS0_R UART0_RX_HPM_SCM_DATA BMC_USB2A_DN BMC_USB2A_DP Other Connectors and Components...
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FBP_I2C_1~3: I2C Headers I2C headers are used to connect to the System Management Bus (SMBus). FBP_ I2C_1~3 is for HDD backplanes. P3V3_AUX FBP_I2C_1~3 SMB_HSBP_LVC3_R_SCL SMB_HSBP_LVC3_R_SDA FBP_I2C_1 FBP_I2C_2 FBP_I2C_3 Other Connectors and Components...
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BAT1: CMOS Battery If the CMOS battery is out of charge, the time in the BIOS will be reset and the data of system configuration will be lost. In this case, you need to replace the CMOS battery. Replacing CMOS battery 1.
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Jumpers ⚠ Important Avoid adjusting jumpers when the system is on; it will damage the motherboard. JRTC_CLR1 JUART_SEL_1 BIOS_SEL JSATA_NVME_SW1 Default Jumper Name Description Setting 1-2: System BIOS ROM and control by Jumper (default) BIOS_SEL 2-3: Local BIOS ROM 1-2: Normal (Default) CMOS_CLR 2-3: CMOS Clear 1-2: UART CPLD to CPU (default)
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Onboard LEDs LED1: CPLD Heart Beat LED This LED indicates the CPLD (Complex Programmable Logic Device) status. Status Description CPLD not ready Blinking Green 4Hz CPLD ready CPLD_HB_LED PWROK_LED1: CPU PowerOK LED, PWRGD_LED1: CPU PowerGood LED The PWROK LED is lit on green indicates CPU PWROK status. The PWRGOOD LEDs indicates that all voltage inputs to the processor are in specification.
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Getting Started ⚠ Important All information is subject to change without prior notice. • The system photos are provided for demonstration purposes only. The • appearance and internal view of your system may vary depending on the model you purchased. Necessary Tools Anti-Static Screwdriver...
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System Setup ⚠ Important Before removing or installing any components, make sure the system is not turned on or connected to the power. Drive Bay Installing 2.5" HDD/ SSD 1. Carefully pull over the lever open. 2. With the lever open, pull out the HDD tray. System Setup...
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3. Engage two embossed pins into the side dimples on the HDD/ SSD. 4. Carefully push down the other side of the HDD/ SSD until another two embossed pins and side dimples lock it into place. 5. With the lever open, insert the 2.5” HDD/ SSD assembly vertically into the drive bay until the locking lever is engaged.
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System Cover Removing System Cover Remove the screws securing the system on both sides. To remove the top cover panels, lift over the release latches and then slide them to the back side of the system. System Cover...
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CPU & Heatsink Use appropriate ground straps, gloves and ESD mats to protect yourself from electrostatic discharge (ESD) while installing the processor. ⚠ Important Overheating will seriously damage the CPU and system. Always make sure the • cooling fan can work properly to protect the CPU from overheating. Make sure that you apply an even layer of thermal paste (or thermal tape) between the CPU and the heatsink to enhance heat dissipation.
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Installing CPU & Heatsink ⚠ Important Images are for illustration purposes only; actual parts may vary. 1. Remove the screw on the top of the retention frame. 2. After removing the top screw, the spring-loaded retention frame will rise up. Hold it gently until it is fully open.
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4. Pull the external cap upward through the rail guides on the rail frame to remove 5. Grip the handle of the carrier frame and slide it downward with the flanges and the rail guides aligned. CPUs are shipped from the factory with pre-assembled carrier frames. •...
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7. Push the retention frame downward and use a torque screwdriver to tighten the screw in the middle. Torque Screwdriver Settings Screw Head: Torx T20 Torque: 12.5-15 kgf·cm* *12.5-15 kgf·cm = 122.6~147 N·m = 10.9~13 lbf·in 8. For peak thermal performance, apply proper amount of thermal paste to the bottom center of the heatsink.
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Installing Memory Modules 1. Open the side clips to unlock the DIMM slot. 2. Insert the DIMM vertically into the slot, ensuring that the off-center notch at the bottom aligns with the slot. 3. Push the DIMM firmly into the slot until it clicks and the side clips automatically close.
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Hardware Root of Trust Module Installing ROT Module onto the DCSCM card 1. Insert your ROT Module into the M.2 slot at a 30-degree angle. 30° Supplied M.2 screw 2. Secure the ROT Module in place with the supplied M.2 screw. Hardware Root of Trust Module...
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Installing M.2 SSD onto the Server Board ⚽ Video Demonstration Watch the video to learn how to Install M.2 SSD. 1. Insert your M.2 SSD into the M.2 slot at a 30-degree angle. 30° 2. Push the M.2 latch in the direction of the arrow .
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System Fan The server system is equipped with six 60 x 60 x 56mm hot-swappable system fans that provide primary airflow to maintain optimal cooling and prevent overheating. The fan features include: Tachometer on each fan allows BMC to monitor the system’ s status in real-time. •...
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Installing 2U Fan Cage 1. Press the release tabs and lift the fan to remove it from the cage. Ensure all cables are clear of the fan cage installation area before proceeding. • 2. Align the guiding rails and lower the fan cage onto the system’ s base. Then push down the latches to lock it into place.
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Installing OCP Card 1. Unscrew to relese the OCP dummy bracket. 2. Insert the OCP Card into the OCP bay and secure the rotary screw. Installing OCP Card...
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Air Duct The server system offers a pre-installed plastic air duct available as an accessory. ⚠ Important After installing the air duct, the middle GPU bar have to be reinstalled to the • chassis. Installing Air Duct 1. Install the air duct to the chassis. Air Duct...
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2. Align the pins on the front edge of the air duct with the holes on the fan wall, then lower the air duct into place until it is securely seated Air Duct...
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Power Supply Unit (PSU) The server system supports two power supplies that can be easily inserted and removed from the rear side of the system without the need for tools. ⚠ Important Both power supplies must be identical and both power cords should be •...
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Cable Routing ⚠ Important Please remove the fan cage before routing cables. 12-pin/6-pin to 12-pin/6-pin Power Cable (PDB to MB/ HDD BP) JPICPWR2 JPICPWR1 PDB connector to PDB Connector (PDB to MB) Cable Routing...
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12-pin to 12-pin Power Cable (Fan BP to MB) JPICPWR0 MCIO 8i to MCIO 8i Cable(HDD BP to MB) PCIE_SLOT0 PCIE_SLOT1 JMCIO0 JMCIO1 JMCIO4 JMCIO5 JMCIO3 JMCIO2 JMCIO6 JMCIO7 Cable Routing...
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Slide Rail ⚠ Important The pre-installed screws on the outer rail bracket are intended only for square rack holes. For round holes, please switch to the “7.1 round hole screw” . 9.5 Square Hole Screw (pre-installed) 7.1 Round Hole Screw Disassembling Slide Rail Slide the release tab forward to separate the inner rail from the bracket.
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Installing Inner Rail to System 1. Align the standoffs on the side of the system with the hole on the inner rail, then pull the inner rail backwards till it locks into place. 2. Tighten the screw to secure the inner rail. 3.
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Retracting Outer Rail Bracket Pull the latch downward to slide the middle rail back to the outer rail bracket. Middle Rail Attaching Outer Rail Bracket to Rack Frame Slide Rail...
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Installing System into Rack 1. Pull out the middle rails till it fully extended. 2. Engage the inner rails of the system to the middle rails, then push the system forward until it stops. 3. Push the system into the rack by sliding the two-way release tabs forward or backward.
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Detaching Outer Rail Bracket from Rack Frame Detaching Inner Rail from System Slide Rail...
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