Tyan Computer B3970-U manual Removing the Motherboard

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3.Disconnect all cables from front panel, USB, fans and SATA connectors.

3.4.2Removing the Motherboard

After removing all of those cables, follow these instructions to remove the motherboard from the chassis.

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

2. Remove the motherboard.

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Chapter 3: Replacing Pre-Installed Components

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Contents Transport GT20 B3970-U Service Engineer’s Manual Page Trademark Recognition CopyrightDisclaimer Federal Communications Commission FCC About this Manual IiiSafety Information Replacing Pre-Installed Components Table of Contents OverviewSetting Up Page Overview About the Transport GT20 B3970-UProduct Model Features EnclosureUnpacking FDD KitRail Kit Rear View About the ProductFront View LED Definition Front Panel Rear I/O LEDInternal View Motherboard S3970 Block Diagram Motherboard Layout Overview Jumpers & Connectors Function JP8Setting Up Before You BeginWork Area ToolsPrecautions 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 Mounting Bracket Rackmounting the Server Setting Up Installing Motherboard Components Removing the Chassis CoverInstalling the Memory Installing the CPU and Heatsink Setting Up Setting Up Installing the PCI-X Card Setting Up Installing the External Hard Drive Setting Up Installing the Slim FDD Option Connect the other side to the connector on motherboard Setting Up Replacing Pre-Installed Components IntroductionReplacing Pre-Installed Components Disassembly Flowchart Following flowchart outlines the disassembly procedureRemoving the Cover Replacing Motherboard Components Disconnecting All Motherboard CablesMain Power EPS 12V Power Removing the Motherboard Replacing the Slim CD-ROM Replacing Pre-Installed Components Replacing the LED Control Board Replacing Pre-Installed Components Replacing the M1012 Adapter Board LAN/IDFan Cables 1 M1012 Adapter Board Features for B3970-U 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 Replacing the Sata Backplane Replacing Pre-Installed Components 1 SAS/SATA Backplane M1208 Features J4, SAS/SATA Replacing the Power Supply Replacing Pre-Installed Components Appendix I Bios Differences B3970-U Advanced/Hardware Health ConfigurationS3970 Advanced/Hardware Health Configuration Bios Setup Utility AdvancedSata Cable FAN CableB3970-UG20S4H Model System Fan to M1012 Adapter BoardPower Supply Cable Power Supply to MotherboardPower Supply to M1012 Adapter Board Power Supply to M1208 Sata BackplaneOther Cables M1003 Front Panel Control Board Related CableCD-ROM Related Cable FDD Related Cable OptionAppendix III Installing Smdc Cards Installing M3289 into HDD Tray Page Installing M3290/M3291 into HDD tray Page Installing M3290/M3291 into GT24 Chassis Page Page Technical Support Help ResourcesReturning Merchandise for Service
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