Tyan Computer B2891 manual Motherboard Layout, CPU1CPU0

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1.5.5 Motherboard Layout

SMDC	DIMMB2	DIMMB1	DIMMA2	DIMMA1
	CPU1	CPU1	CPU1	CPU1

FAN1

FAN2FAN3

FAN4

CPU1CPU0

J113

FAN5

FAN6				J73
				J73
				J75
				J75
CPU0 DIMMA1	CPU0 DIMMA2 CPU0 DIMMB1	CPU0 DIMMB2

J53

AMD 8131

PCI-X Bridge

IDEPIDES J25 J139

SATA3 SATA1

J14

					SATA0


					SATA2



FDD
FDD						LPT

J112	J85	NFroce
		NFroce
		Pro 2200
		Pro 2200
Winbond	ATI
w8362HF	RAGE XL	J48
		J48
FAN8 J77
J13	JA14	J87
FAN9

PCIE X16

PPCIX-100	J140

FAN7	J110

		J42

Chapter 1: Overview

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Image 21

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 OverviewB2891G24S4H B2891G24U4H B2891G24S4-LC Product ModelsModel HDD Bays Hot-Swap Support BackplaneFeatures 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 Case M1205 HDD Start-Mode & ID Selection SwitchMotor Spin Func TionLeft 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