Tyan Computer B2881 manual Jumpers & Connectors Function

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Jumpers & Connectors

Jumper	Function

J4	SMBus 1.1 Connector

J14	Onboard Buzzer/Speaker Header

J25	USB Front Panel Header

J34	Clear CMOS Jumper

J42	COM2 Header

J53	PCI-X Slot 1 Bus Speed Override

J76	SMDC Header

J73/J75	Front Panel LAN LED Headers

J77	INTR-Chassis Intrusion Header

J85	ATI Video Disable Jumper

J86	Front Panel Header

J87	Gigabit Ethernet Disable Jumper

J92	PCI-X Slot 2 Bus Speed Override

J102	SATA Contorller Disable Jumper

J11	SCSI Controller Disable Jumper (optional)

J103/J104/J110/	Reserved for OEM only
J89/J90

Chapter 1: Overview

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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 About the Transport GT24 B2881 OverviewSupport Backplane Product ModelsB2881G24S4H B2881G24U4H B2881G24S4-LC Model HDD Bays Hot-SwapFeatures Regulatory Power SupplyEnvironment Temperature FDD Kit UnpackingRail Kit CD-ROM Accessory Kit for B2881G24S4-LC only B2881G24IU4H/B2881G24S4H About the ProductSystem Front View B2881G24S4-LC LED Definition Front Panel System Rear ViewRear I/O LED FAN1 System Internal View B2881G24S4-LC B2881G24S4H 109B2881G24U4H 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 Outer Rails to the Rack Installing the Inner Rails to ChassisLocate the front and rear brackets Remember to add washer Front Side Rear Side Rackmounting the Server Setting Up Removing the Chassis Cover Installing Motherboard ComponentsInstalling 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 Introduction Replacing Pre-Installed ComponentsPrecautions Following flowchart outlines the disassembly procedure Disassembly FlowchartRemoving 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 J3 LAN/ID LED 1 M1012 Adapter Board Features2 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 Monitoring Signal System Fan Speed Control 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 Tion M1205 HDD Start-Mode & ID Selection SwitchCase Motor Spin FuncLeft to right in front view ID SequenceReplacing the Power Supply S2881 Advanced/Hardware Health Information B2881 Advanced/Hardware Health InformationTable of Differences S2881 B2881 Appendix II Cable Connection Tables Power Supply Cable FDD Related Cable Option Help Resources Technical SupportReturning Merchandise for Service