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Celestron AP8000 • 4-10.SCSI Backplane, SCSI Backplane Board Back Side

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IV. Hardware Setup

• 4-10. SCSI Backplane

The SCSI backplane of this server is comprised of two SCSI backplane boards with a 68-pin SCSI connector, power input, and SCSI ID dip switches on each SCSI backplane board. This configuration allows Ultra2 or Wide-SCSI hard disk drives to be docked into the server using a common connector. The female end is located on the SCSI backplane board, while the male end is located on the hot-swap tray.

68-pin Ultra2 or Wide-SCSI Connector

SCSI ID Dip Switches

SCSI Backplane Board

Power #1

SCSI Backplane Board

Power #2

SCSI Terminator

68-pin Ultra2 or Wide-SCSI Connector

SCSI Backplane Board Back Side

IMPORTANT

The DA-BP4 SCSI backplane board has automatic termination. If using Ultra-wide devices, make sure the termination on each device is disabled.

Hardware Setup	SCSI Backplane
IV.

AP8000 Hardware Reference Guide

Contents

Page AP8000 Hardware Reference Guide ASUSTeK COMPUTER INC. (Asia-Pacific) Marketing Technical Support ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Europe) I. Introduction II. Components III. Basic Operation IV. Hardware Setup Page Federal Communications Commission Statement Canadian Department of Communications Statement •1-1.How this Manual is Organized Symbols •1-2.Component Checklist Standard components Optional components •1-3.Features •1-4.Safeguards Operation Safety Tools Required •1-5.Electrical Safety Static-SensitiveDevices (This page was intentionally left blank.) •2-1.Server Front Side •2-2.Server Back Side •2-3.Server Left Side •3-1.Starting the Server • 3-2.LED Indicators • 3-3.BIOS Setup • 4-1.Opening the Chassis Chassis Panels Opening the Left Panel Fan • 4-2.Motherboard Spacers Install the Baseboard Screws Device Cables Cable Connections • 4-3.Central Processing Unit (CPU) Install Retention Mechanisms Mechanism Brace Bars Install Cartridge Lifters Mechanism Cap Frame • 4-4.Chassis Intrusion Switch Chassis Intrusion Connector • 4-5.Expansion Cards • 4-8.Fixed Storage Devices Fixed Storage Device Tray Fixed Device Bay Cover Clips • 4-7.Floppy Disk Drive and CD-ROM Floppy Disk Drive CD-ROMDrive • 4-8. Hot-SwapTrays Removing Hot Swap Trays Hot-SwapTray Usage Hot-SwapTray Front Connections Hot-SwapTray Interface • 4-9. Hot-SwapTray Connector Board Hot-SwapTray Rear Connections • 4-10.SCSI Backplane • 4-11.SCSI ID Setting Using the SCSI Backplane Boards Separately Using Cascaded SCSI Backplane Boards • 4-12.SCSI Backplane Board Placement Installing & Removing SCSI Backplane Boards SCSI Hard Disk Connections • 4-13.Circulation System Fan Module • 4-14.Power Supply Redundant Power Supply Mounting Removing Removing the Entire Power Supply Unit Power Module Rating Power Module Failure Power Supply Information Power Supply Requirement Page i.SCSI Cable Limits ii. Glossary PCI Bus (Peripheral Component Interconnect Local Bus) Peripherals POST (Power On Self Test) PS/2 Port RAID (Redundant Array of Inexpensive Disks)