Tyan Computer B2881 manual Removing the Cover

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3.3Removing the Cover

Before replacing any parts you must remove the chassis cover.

Follow these instructions to remove the cover of the Transport GT24 chassis cover.

1.Release the screw and then slide the cover in the direc- tion of arrow.

2. Lift the cover in the direction of arrow (A).

AB

42	Chapter 3: Replacing Pre-Installed Components

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Contents Transport GT24 B2881 Service Engineer’s Manual Page Preface Federal Communications Commission FCC Conventions Safety Information Table of Contents Technical Support Overview About the Transport GT24 B2881Model HDD Bays Hot-Swap Product ModelsB2881G24S4H B2881G24U4H B2881G24S4-LC Support BackplaneFeatures Regulatory Power SupplyEnvironment Temperature Unpacking FDD KitRail Kit CD-ROM Accessory Kit for B2881G24S4-LC only B2881G24IU4H/B2881G24S4H About the ProductSystem Front View B2881G24S4-LC System Rear View LED Definition Front PanelRear I/O LED System Internal View B2881G24S4-LC FAN1109 B2881G24S4HB2881G24U4H 109 Motherboard Layout Jumpers & Connectors Function Motherboard Block Diagram Tools Before You BeginWork Area Precautions Rack mounting kit Installing the Server in a RackRack Mounting Installing the Inner Rails to Chassis Installing Outer Rails to the RackLocate the front and rear brackets Remember to add washer Front Side Rear Side Rackmounting the Server Setting Up Installing Motherboard Components Removing the Chassis CoverInstalling the CPU, Heatsink and Air Duct Setting Up Installing the Memory Installing a PCI-X Card Setting Up Installing the Hard Drive for B2881G24S4-LC Setting Up Installing the Hard Drive for B2881G24S4H/U4H Setting Up Installing the Slim FDD Option Connect the other side to the connector on motherboard Installing the CD-ROM or DVD-ROM for B2881G24S4-LC only Power Cable Data Cable Replacing Pre-Installed Components IntroductionPrecautions Disassembly Flowchart Following flowchart outlines the disassembly procedureRemoving the Cover Replacing Motherboard Components Disconnecting All Motherboard CablesMain Power EPS 12V Power Disconnect all fan power cables Removing the Motherboard Replacing the LED Control Board Replacing Pre-Installed Components Replacing the M1012 Adapter Board 1 M1012 Adapter Board Features J3 LAN/ID LED2 M1012 Adapter Board Connector Pin Definition FAN Signal Related Connector Pin Definition GND FAN1TACH FAN2TACH FAN3TACH KEY PIN FAN312VPWM FAN3TACH GND FAN4TACH FAN412VPWM FAN912VPWM FAN9TACH GND FAN10TACH System Fan Layout System Fan Speed Control Signal System Fan Monitoring SignalReplacing 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 Motor Spin Func M1205 HDD Start-Mode & ID Selection SwitchCase TionID Sequence Left to right in front viewReplacing the Power Supply B2881 Advanced/Hardware Health Information S2881 Advanced/Hardware Health InformationTable of Differences S2881 B2881 Appendix II Cable Connection Tables Power Supply Cable FDD Related Cable Option Technical Support Help ResourcesReturning Merchandise for Service