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R281-2O0
R281-NO0
R281-N40
Dual LGA3647 sockets motherboard for Intel® Xeon® Processor Scalable Family processors
Service Guide
Rev. 1.1

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Table of Contents
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Summarization of Contents

Hardware Installation Guide
Installation Precautions
Guidelines for safe installation to prevent hardware damage.
Product Specifications
Detailed specifications of server hardware components and features.
System Block Diagram
Visual representation of the server's internal components and their interconnections.
System Appearance Overview
Front View
Illustration and description of the server's front panel components.
Rear View
Illustration and description of the server's rear panel I/O ports.
Front Panel LED and Buttons
Explains the function and status of front panel LEDs and buttons.
Rear System LAN LEDs
Description of LEDs indicating rear LAN port status and activity.
Hard Disk Drive LEDs
Explains the LEDs indicating HDD status, activity, and fault.
Power Supply Unit LED
Describes the LED indicators for the power supply unit status.
System Hardware Installation
Removing Chassis Cover
Instructions for safely removing the server's chassis cover.
Removing and Installing the Fan Duct
Steps for removing and installing the internal fan duct.
Installing the CPU and Heat Sink
Detailed procedure for installing the CPU and its associated heat sink.
Installing the Memory
Guide for installing DDR4 memory modules, including configuration and population rules.
Installing the PCI Expansion Card
Procedure for installing PCI-E cards using a riser bracket.
Installing the Hard Disk Drive
Step-by-step guide for installing hard disk drives into the server bays.
Replacing the FAN Assembly
Instructions for removing and replacing the system's fan assembly.
Replacing the Power Supply
Procedure for safely removing and installing a power supply unit.
Cable Routing
Diagram and guide for proper internal cable management.
Motherboard Components
Motherboard Components Identification
Identification of various connectors and components on the motherboard.
Jumper Setting Configuration
Explanation of jumper settings for system configuration.
BIOS Setup
The Main Menu
Overview of the BIOS setup main menu and navigation keys.
Advanced Menu Options
Options for configuring various hardware components in the BIOS.
Chipset Setup Menu
Submenu options for configuring North Bridge and South Bridge functions.
Server Management Menu
Menus for managing server features, logging, and network settings.
Security Menu
Options for setting up passwords and securing the system.
Boot Menu Configuration
Settings for configuring system boot order and modes.
Save & Exit Menu
Options for saving changes, exiting BIOS, or loading defaults.
BIOS POST Beep Codes
Details and explanations of POST beep codes for system diagnostics.
PEI Beep Codes
Beep codes related to the PEI phase during POST.
DEX Beep Codes
Beep codes related to the DEX phase during POST.
BIOS Recovery Instruction
Procedure for restoring the BIOS in case of corruption.

Table of Contents