Tyan Computer B2891 manual Removing the Motherboard

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3.4.2Removing the Motherboard

Follow these instructions to remove the motherboard from the chassis when all add-on components have been removed.

1.Remove the eleven screws securing the motherboard to the chassis.

2. Remove the motherboard.

Chapter 3: Replacing Pre-Installed Components

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Contents Transport GT24 B2891 Service Engineer’s Manual Page Preface Federal Communications Commission FCC Conventions Safety Information Table of Contents Technical Support About the Transport GT24 B2891 OverviewSupport Backplane Product ModelsB2891G24S4H B2891G24U4H B2891G24S4-LC Model HDD Bays Hot-SwapFeatures Environment Temperature Power SupplyServer Management Regulatory FDD Kit UnpackingRail Kit About the Product System Front ViewSystem Rear View Rear I/O LED LED Definition Front PanelNo AC power System Internal View B2891G24S4H B2891G24S4-LC B2891G24U4H CPU1CPU0 Motherboard LayoutJumpers & Connectors Function Motherboard Block Diagram Memo Before You Begin Work AreaTools Precautions Installing the Server in a Rack Rack MountingRack mounting kit Screw the sliding brackets to the sliding rails Mounting Bracket Setting Up Removing the Chassis Cover Installing Motherboard ComponentsInstalling the CPU, Heatsink and Air Duct Setting Up Setting Up Installing the Memory Installing a PCI Card Setting Up Installing the Hard Drive for B2891G24S4H/U4H Setting Up Installing the Hard Drive for B2891G24S4-LC Setting Up Installing the Slim FDD Option Connect the other side to the connector on motherboard Memo Introduction Replacing Pre-Installed ComponentsPrecautions Following flowchart outlines the disassembly procedure Disassembly FlowchartRemoving the Cover Disconnecting All Motherboard Cables Main Power EPS 12V PowerReplacing Motherboard Components Disconnect all fan power cables Removing the Motherboard Replacing the Slim CD-ROM Power Cable Data CableReplacing Pre-Installed Components Replacing the LED Control Board Replacing Pre-Installed Components Replacing the M1010 Adapter Board 1 M1010 Adapter Board Features System Fan Layout System Fan Monitoring Signal System Fan Speed Control Signal3 M1010 Adapter Board Connector Pin Definition FAN Signal Related Connector Pin Definition FAN112VPWM FAN1TACH GND FAN2TACH FAN212VPWM FAN512VPWM FAN5TACH GND FAN6TACH FAN612VPWM LCM+5V Lcmsin KEY PIN GND LCM+5VSB Lcmsout Replacing the Sata or Scsi Backplane Replacing Pre-Installed Components ATA Backplane M1204 Features Replacing Pre-Installed Components M1204 HDD Access LED Connector Pin Definition Scsi Backplane M1205 Features Replacing Pre-Installed Components Tion M1205 HDD Start-Mode & ID Selection SwitchCase Motor Spin FuncLeft to right in front view ID SequenceReplacing the Power Supply Boot Menu S2891 Mainboard BIOS/Advanced MenuTable of Differences B2891 S2891 B2891 Barebone Bios / Advanced MenuAppendix II Cable Connection Tables Power Supply Cable Other Cable Help Resources Technical SupportReturning Merchandise for Service
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