Data Compression Definitions | Compaq 326817-003 specs

Installation 2-5

Default setting compression at power-on enable the host to control compression.

Table 2-4

Data Compression Definitions

DC Control-1	DC Control-2	Definition
OFF	OFF	Compression disabled at power-on. The host is
		allowed to control compression.

OFF	ON	Compression disabled at power-on. The host is not
		allowed to control compression.

ON	OFF	Compression enabled at power-on. The host is
		allowed to control compression.

ON	ON	Compression enabled at power-on. The host is not
		allowed to control compression.

Image 23

Compaq 326817-003 manual Data Compression Definitions, DC Control-1 DC Control-2 Definition

Contents

Compaq DAT AutoLoader Page Contents Installation Appendix B Index Text Conventions About This Guide Symbols on Equipment Symbols in Text About This Guide Rack Stability Compaq Authorized Reseller Getting HelpCompaq Technical Support Compaq Website Introduction to the DAT AutoLoader Overview Features Controller Requirements Reliability of Backup DevicesScsi Interface Tape Drive Capacity CapacityProjected Duty Cycle Data Compression Compaq Approved Cassettes Cassette Formats DDS Logo Media DDS Logo Media Life Expectancy of Cassettes Write-Protecting a Cassette 8Compaq DAT AutoLoader Reference Guide Software and Tool Requirements InstallationDAT AutoLoader Installation Jumper Description Default Hardware Settings Bit Switch SettingsSetting the Scsi ID Scsi Jumper Pins AutoLoader configuration switches Switch Settings DC Control-1 DC Control-2 Definition Data Compression Definitions Preparing the Computer Installing the DAT AutoLoader Installing the DAT AutoLoader without drive rails Reassembling the Computer Connecting signal and power cables External AutoLoader Scsi and options switches Connecting the Tabletop AutoLoader 10Compaq DAT AutoLoader Reference Guide Completing the Installation Device Drivers Installing Software Drivers Controller Software Driver Information Microsoft Windows NTMicrosoft Windows NT Novell NetWare Novell NetWareAspi Support SCO OpenServer Compaq Tru64 UnixOpenVMS SCO OpenServer Configuring the Scsi ID for SCO OpenServer SCO UnixWare SCO UnixWare SunSoft Solaris SunSoft Solaris Banyan Vines Banyan Vines Introduction to Magazines and Cassettes Operation Labeling Cassettes and the Magazine Loading the Magazine with Cassettes Front Rear Eight-Cassette Configuration Single-Cassette Configuration Seven-Cassette Configuration Inserting cassettes 3, 2, and 1 into the magazine Slot To Load the Magazine With Cassettes Removing the Cassettes from the Magazine Loading the Magazine into AutoLoader Slide stopper Ejecting the Magazine Forcing Cassette Ejection Modes of Operation Stacker ModeRandom Mode Front Panel Callout Description Feature Liquid Crystal Display LCD Callout Feature LCD Message Meaning Type LCD MessagesLCD Messages Alphabetical Listing LCD Messages Alphabetical Listing Tape Represents the number of the cassette Ready LCD Message Space Status LCD Menu Screens Menu Screen FeaturesLCD Menu Screens Menu Screen LCD Menu Screens Importance of Routine Cleaning Cleaning Errors Resulting from Cleaning Neglect Importance of Compaq-Approved Tape Cassettes DAT AutoLoader Cleaning Recommendations Procedure for Cleaning the Heads Random Mode Procedure for Cleaning the Heads Stacker Mode Hardware TroubleshootingQuick Checklist Software Problem Try This Installation TroubleshootingInstallation Troubleshooting For Novell NetWare Troubleshooting After InstallationFor Tru64 Unix For SCO OpenServer Systems For Microsoft Windows NT Systems For IBM OS/2 Systems Resolving Operating ProblemsResolving Magazine Problems Correcting Intermittent Failures Federal Communications Commission Regulatory Compliance NoticesRegulatory Compliance Identification Numbers Class B Equipment Regulatory Compliance Notices A-3 Modifications European Union Notice Canadian Notice Avis Canadien Japanese Notice Taiwanese Notice Electrostatic Discharge Grounding Methods Dimension Internal AutoLoader Tabletop AutoLoader SpecificationsDimensions and Weight Table C-1 Dimensions and Weight Air-Cooling Requirement Temperature and Humidity RangePower Requirements Less than 150 microgram/m Suspended ParticulateTable C-5 Suspended Particulate Index See EOD Index TSL9000 Scsi ID#5 Enable Media Compaq DAT AutoLoader Reference Guide