HP D510 manual Guidelines for Using Scsi Devices

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Hard Drive Installation Guidelines

SCSI Devices

This section contains information relating to SCSI device guidelines and installation.

Guidelines for Using SCSI Devices

When installing and operating SCSI devices, you must follow these guidelines:

■A single Ultra SCSI controller supports up to seven SCSI devices per channel.

■Each Wide-Ultra SCSI, Ultra-Wide SCSI, Wide Ultra2 SCSI, Ultra 320 SCSI, or Ultra 160 SCSI controller supports up to 15 SCSI devices per channel.

■If using multiple SCSI devices, Compaq recommends that the devices be split between Channel A and Channel B, if available, for optimum performance.

■SCSI cable recommendation:

❏53 inches maximum length twisted-pair, LVD cable with built-in terminator, maximum of 5 drives with a minimum driving spacing of 5.25 inches.

✎For Small Form Factor models, a single device cable is the only cable that is supported.

■The SCSI controller requires a unique SCSI ID (0-7 or 8-15) for each SCSI device installed. The controller identifies a SCSI device by its SCSI ID number rather than by its location. Moving a SCSI device from one position to another on the SCSI chain does not affect communication between the controller and the device. The reserved and available SCSI ID numbers for SCSI devices are:

❏0—reserved for the primary hard drive

❏7—reserved for the controller

❏1 through 6 and 8 through 15—available for all other SCSI devices

Hardware Reference Guide

B–3

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Contents Hardware Reference Guide Page Contents Specifications Hard Drive Installation Guidelines Index Standard Configuration Features Product FeaturesFront Panel Components Front Panel ComponentsRear Panel Components Rear Panel ComponentsEasy Access Keyboard Components Easy Access Keyboard ComponentsCustomizing the Easy Access Buttons Special Mouse Functions Using the Windows Logo KeySerial Number Location Installation Sequence Hardware UpgradesDrawer Installation Method Smart Cover Lock Using the Smart Cover FailSafe KeyRemoving the Smart Cover Lock Screws Removing the Computer Cover Removing the Computer Cover Installing Additional Memory DIMMsDDR-SDRAM DIMMs Installing DDR-SDRAM DIMMs Locate the memory module sockets Installing a Dimm Removing the Expansion Card Cage Installing an Expansion Card Removing the Expansion Slot Cover Install the expansion card Removing the AGP Card To replace the AGP card, reverse the above procedures Desktop Drive Positions Drive PositionsUpgrading the Hard Drive Installing Additional DrivesDisconnecting Cables from the Hard Drive Removing an Optical Drive Removing the Optical Drive Installing an Optional Optical Drive Connecting the Flat Ribbon Cable and Audio Cable Working with the MultiBay Partitioning and Formatting a MultiBay Hard Drive Hot-Plugging or Hot-Swapping MultiBay DrivesInserting a Drive into the MultiBay Uninstalling the MultiBay Security ScrewRemoving a Drive from the MultiBay Removing a Drive from the MultiBay Compaq Evo Small Form Factor SpecificationsPower Output Using the Cable-Select Feature with Ultra ATA Devices Hard Drive Installation GuidelinesGuidelines for Installing Ultra ATA Devices Scsi Devices Guidelines for Using Scsi DevicesHard Drive Installation Guidelines Scsi Controllers Guidelines for Installing Optional Scsi DevicesUsing a Scsi Cable Using SCSISelect with Scsi DevicesScsi Cables Choosing the Quiet Drive Options Hard Drive Installation Guidelines Battery Replacement Type Type Replacing a Coin Cell Battery Type Security Lock Provisions Installing a Security LockInstalling a Security Loop Electrostatic Discharge Preventing Electrostatic DamageGrounding Methods Electrostatic Discharge Routine Computer Care Routine Computer Care Shipping PreparationCleaning Optical Drive PrecautionsSafety OperationShipping Preparation Index Index-2

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