Tyan Computer B4985F48V8HR (Tower), Transport FT48 manual Replacing the Fan Control Board

Page 71

3.7Replacing the Fan Control Board

To replace a cooling fan, you need to remove all the fans and the fan cradle first. Refer to the first three steps given in “2.5 Installing the Floppy Disk Drive (Option)”. Then, do the follow- ing:

1.Disconnect the two power connectors and one fan tach cable from the fan control board.

2.Remove the two screws securing the fixing brackets to the fan control board.

Chapter 3: Replacing Pre-installed Components

63

Image 71

Contents Transport FT48 B4985 Service Engineer’s Manual Page Trademark Recognition CopyrightDisclaimer Federal Communications Commission About this Manual Safety Information Table of Contents Fan Board Connector Pin Definition Replacing Pre-installed ComponentsAbout the Tyan Transport FT48-B4985 OverviewB4985F48V8HR Rackmount B4985F48V8HR Tower Product ModelEnclosure FeaturesUnpacking Box Contents Component DescriptionComponent Description Accessories Sliding Rail Kit System Front View and Front Panel About the ProductSystem Rear View Color State Description System Top View for FAN LEDsColor Description Front LEDsStatus Color Description Rear I/O LEDsMotherboard Layout JP2 Jumpers & Connectors Jumper/Connector FunctionMotherboard Block Diagram System Internal View Model Picture Quantity Description Number Standard Parts FRU ListModel Picture Quantity Description Number Model Picture Quantity Description Tools Before You BeginWork Area Precautions Removing the Chassis Cover Installing Motherboard ComponentsInstalling the CPUs and Heatsinks Setting Up Setting Up Installing the Memory Setting Up Refer to the following table for supported DDR2 populations Installing the PCI-E/PCI Cards Setting Up Installing Hard Drives Setting Up Installing the Expansion DVD-ROM Option Setting Up Setting Up Installing the Floppy Disk Drive Option Setting Up Setting Up Setting Up Installing the LCM Kit Option Setting Up Installing the Long Cards Tower Installing the 5.25 Devices in Tower PositionSetting Up Setting Up Installing Chassis Foot Stands Screws List Installing the Server in a RackRack Mounting Installing the Inner Rails to the Unit Installing the Outer Rails to the Rack Setting Up Rackmounting the Server Setting Up Opening the Chassis Front Bezel Installing the Security Tab Setting Up Introduction Replacing Pre-installed ComponentsPrecautions Following flowchart outlines the disassembly procedure Disassembly FlowchartRemoving the Chassis Cover Removing the Front Door Assembly Replacing Motherboard Components Disconnecting All Motherboard CablesReplacing the Motherboard Replacing the Cooling Fans Replacing the Fan Control Board Replacing Pre-installed Components Fan Board Features Fan Board Connector Pin Definition Replacing the SAS/SATA Backplane Replacing Pre-installed Components Rear View 1 M1211-P SAS/SATA Backplane Features2 M1211-P SAS/SATA Backplane Connector Pin Definition Replacing the LED Control Board Replacing Pre-installed Components 1 M1007 LED Control Board Features 2 M1007 LED Control Board Connector Pin Definition Replacing the DVD-ROM Replacing Pre-installed Components Replacing the Redundant Power Supply B4985 Advanced/Hardware Health Information Appendix I Bios DifferencesTable of Differences S4985 B4985 S4985 Advanced/Hardware Monitor InformationFAN Cables Power Supply CablesSAS/SATA Cables Power Supply to FAN Board LED Control Board to Motherboard Other CablesAppendix III Installing the Smdc Card Option Page Cable Connection Table Appendix IV Installing Expansion Hard Drives Rackmount installation to Page Tower installation to Page Help Resources Technical SupportReturning Merchandise for Service