Problems Using the DDS Tape Drive | Compaq C180, C240, C200, C360

Solving Problems

Common Problems and Solutions

Problems Using the DDS Tape Drive

Table 14 describes a possible problem you may encounter using the DDS tape drive and offers solutions.

Table 14	Problems Using the DDS Tape Drive

	Problem	Solution

	The DDS tape drive does	Re-enter the commands and make sure that you have typed
	not respond to com-	them correctly.
	mands.
		Make sure that you speciﬁed the correct device ﬁle name for
		commands that require a device ﬁle name.
		Make sure the write-protect tab is set to write if you are try-
		ing to copy data to a data cassette.
		Make sure that the system can communicate with the drive
		as described in “Checking the SCSI IDs” in Appendix B.
		Follow the instructions in the section "Running System Ver-
		iﬁcation Tests" in this chapter to verify that the tape drive is
		functioning properly.

	If the problem persists, contact your system administrator or call your designated service
	representative.

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Compaq C180, C240, C200, C360, C160 manual Problems Using the DDS Tape Drive

Contents

Model C160 / C180 / C200 / C240 / C360 Owner’s Guide HP Part No. A4200-90050 Edition E1298 HEWLETT-PACKARD Warranty Statement Iii Page Contents Contents Using Your Digital Data Storage DDS Tape Drive Using Your 3.5-Inch Floppy Disk Drive Solving Problems Safety and Regulatory Statements Changing Your Workstation’s Hardware Conﬁguration Emissions Regulations Compliance Acoustics Replacing the Battery Changing Your Monitor Type Scsi Connections Boot Console Interface Determining Scsi Bus Length Xii Preface Safety and Regulatory Statements AudienceRelease Documents Related Manuals Revision History Documentation Conventions Literal values Problems, Questions, and Suggestions Xviii Product Information Product Information Product Description EISA/GSC System Power Switch System Unit Front Panel ControlsSystem Unit Front Panel Controls Power LED System LEDs Audio Controls Next to the system LEDs are the following audio controls Storage Device Controls and Features CD-ROM Drive Controls and Features CD-ROM Drive Controls and Features Control/Feature Purpose DDS-DC Early Model Drive Controls and Indicators DDS-DC Later Model Drive Controls and Indicators Tape Clean Floppy Drive Controls and Features Floppy Drive Controls and Features System Unit Rear Panel Connectors System Unit Rear Panel Connectors Pullout CardSecurity Loop Audio Connectors Signal to Noise Audio Electrical Speciﬁcations Frequency ResponseInput Sensitivity/Impedance Max Output Level/Impedance PS/2 Keyboard and Mouse Connectors HP Parallel I/O ConnectorNetwork Connectors Serial Input/Output Connectors Serial I/O Pins Pin No Signal Description Scsi Connectors Power Cord ConnectorTOC Button Monitors Keyboard Pointing Devices Operating System Overview Using Your CD-ROM Drive Using Your CD-ROM Drive CD-ROM Drive and CD-ROM Media Descriptions CD-ROM Drive Controls and Features CD-ROM Drive Operating Controls and Features CD-ROM Media Caring for CD-ROM Discs Operating the CD-ROM Drive Loading and Unloading a CD-ROM in the Disc TrayDisc Tray Description CD-ROM Disc Tray Loading a CD-ROM Disc in a Horizontally Mounted Drive Placing a CD-ROM Disc in a Horizontally Mounted Drive Unloading a CD-ROM Disc in a Horizontally Mounted Drive Removing a CD-ROM Disc From a Horizontally Mounted Drive Loading a CD-ROM Disc in a Vertically Mounted Drive Releasing the Disc Holder Retainers Placing a CD-ROM Disc in a Vertically Mounted Drive Unloading a CD-ROM Disc in a Vertically Mounted Drive Removing a CD-ROM Disc From a Vertically Mounted Drive Verifying the CD-ROM Drive Operation Usr/sbin/ioscan -d sdisk Return Mounting a CD-ROM Disc Using SAM Mounting and Unmounting a CD-ROM DiscSam Return Peripheral Devices SystemsFrom the Actions menu, click on Add a Hard Disk Drive Unmounting a CD-ROM Disc Using SAM Floppy, and Hard Disks Reading the Busy Light Defective disc Troubleshooting Troubleshooting Using Your Digital Data Storage DDS Tape Drive Using Your Digital Data Storage DDS Tape Drive DDS Tape Drive and Data Cassette Descriptions DDS DriveStorage Capacities DDS-2 DDS Tape Drive Tape Drives Meter Controls and Indicators DDS-2 Drive Controls and Indicators LEDs DDS-DC Early Model Tape Drive LED Display Codes DDS-DC Later Model and DDS-2 Tape Drive LED Display Codes LED Warning Conditions Data Cassettes Media Life Cleaning the Tape Heads Media Restrictions Setting the Write-Protect Tab on a Data Cassette Setting the Write-Protect Tab on a DDS Tape Operating the DDS Tape Drive Loading and Unloading a Data CassetteLoading and Unloading a Data Cassette Verifying the DDS Tape Drive Operation Usr/sbin/ioscan -d stape Using Device Files Archiving Data Writing to a Data Cassette Restoring Files from a Data Cassette to Your System Listing the Files on a Data CassetteTar -tvf /dev/rmt/devicefile Further Command Information Man tar Ordering Information Using Your 3.5-Inch Floppy Disk Drive Using Your 3.5-Inch Floppy Disk Drive Using the Floppy Diskette Setting the Write-Protect Tab on a DisketteSetting the Write-Protect Tab on a Floppy Diskette Inserting and Removing a Diskette Inserting and Removing a Floppy Diskette Verifying the Floppy Drive Configuration Operating the Floppy DriveIoscan From the Actions menu, click on View More Information Formatting a New Diskette Mediainit -i 2 devicefile Transferring Data To and From a Floppy Diskette Saving Files to a Floppy DisketteRestoring Files from a Floppy Diskette to Your System Listing the Files on a Floppy Diskette Tar -tvf deviceﬁle For More Information Configuring the Floppy Driver Troubleshooting Solving Problems Solving Problems Common Problems and Solutions Problems with Powering Up the SystemPower -up Problems Problem Solution Problems Loading and Booting the Operating System Problems Loading and Booting the Operating System Problems with the 802.3 Network Problems with the 802.3 Network Problems Using a Hard Disk Drive Problems Using a Hard Disk Drive Problems Using the CD-ROM Drive Problems Using the CD-ROM Drive Problems Using the DDS Tape Drive Problems Using the DDS Tape Drive Problems Using the Floppy Disk Drive Problems Using the Floppy Disk Drive LED Error Codes System Unit Front Panel LEDs Likely cause SIMMs or processor LED Error Codes Dealing with a Boot Failure Running System Verification Tests Man cstm Man mstm Man xstm Cstm Cstm verify all Running System Veriﬁcation Tests Safety and Regulatory Statements Safety and Regulatory Statements Declaration of Conformity Declaration of Conformity Special Video Configuration Statements For EN55022 or Cispr 22 ApplicationsFor FCC Applications Emissions Regulations Federal Communications Commission FCC Emissions Regulations Compliance Vcci Class B ITE Japan Korea RRL EMI Class a Electrostatic Discharge ESD Precautions AcousticsRegulation On Noise Declaration For Machines -3. Gsgv Safety Statement Laser Safety Statement U.S.A. Only Visible LEDs Safety and Regulatory Statements Safety and Regulatory Statements Changing Your Workstation’s Hardware Configuration Also, read the ESD Precautions in Appendix a of this guide Checking the Scsi IDs Usr/sbin/ioscan -f 102 Preparing Your Workstation Removing the Floor Stand Installing Storage Devices Preparing to Install Your Storage Device Configuring your Storage DeviceDefault Scsi IDs Ultra or Fast, Wide Scsi Devices Single-Ended Scsi Devices 107 Storage Device Cable Routing Removing the Storage Tray Installing a CD-ROM or a DDS-Format Tape Drive Removing a Disk Filler Panel 110 Installing a Floppy Drive Installing a Floppy Drive Installing a Hard Disk Drive in Position Installing a Hard Disk Drive in Position Installing a Hard Disk Drive in Position 3 or Position Removing the Disk Interconnect Board Installing a Hard Disk Drive Installing the Disk Interconnect Board Installing the Storage Tray Assembly Replacing the Storage Tray 119 Configuring a Hard Disk Drive 121 Removing the Main Tray Assembly Removing Main Tray Assembly 123 Replacing the Main Tray Assembly Replacing the Main Tray Assembly 125 Installing Additional Memory C160/C180/C200/C240/C360 Memory Module Location Installing Memory Modules 129 Installing the Egram Enhanced Graphics RAM Module C160/C180 Rotating the Eisa Fan Removing the Eisa Slider and Retainer Installing the Egram Module Installing an Option Board Rotating the Eisa Fan Installing the Eisa Retainer and Eisa Slider Securing the Fan Installing an EISA, PCI, or GSC Option Board Option Slots from Outside the System Unit Special Video Configuration Statements Graphics Adapter Considerations Graphics Paths Graphics Configuration Restrictions 140 Installing the Option Board Rotating the FanRemoving the Eisa Retainer Removing the Eisa Slider and Blank Plate 143 144 145 Replacing the Battery Removing the Battery 147 Setting the Monitor Type from the Boot Console Interface Setting the Monitor Type at Power OnChanging Your Monitor Type Changing the Console to External Terminal 150 Scsi Connections 152 Scsi Bus Differences Fast, Wide Dif Ferential Address 7 is reserved for host controller use on all buses 154 Scsi Priority Address Scsi Restrictions Cables 157 Connectors and Terminators Scsi Configuration Constraints Narrow, Single-ended Scsi Bus Configuration ConstraintsNSE Scsi Bus Conﬁguration Constraints Maximum Number of NSE Scsi Devices Fast, Wide, Differential Scsi Bus Configuration Constraints Ultra, Wide-SE Scsi Bus Configuration ConstraintsUltra, Wide-SE Scsi Bus Conﬁguration Constraints Determining Scsi Bus Length Narrow, Single-Ended Scsi Bus Length Bus Length Worksheet for Narrow Single-Ended Scsi Bus Fast, Wide Differential Scsi Bus Length 164 Ultra, Wide, Single-Ended Scsi Bus Length Subtotals Total Ultra, Wide SE Scsi Bus Length = Assigning Scsi Device IDs Narrow Single-Ended Scsi Device IDs 168 Internal Device Drives External Device Drives Fast, Wide Differential Scsi IDs C160/C180/C200 Upgrades Fast, Wide Differential Scsi Device Drives and Device ID Ultra, Wide Scsi IDs Ultra, Wide SE Scsi Device Drives and Device ID Connecting to the Scsi Ports Rear Panel Scsi Connectors without TerminatorsSystem Scsi Port Connection 173 174 Boot Console Interface 176 Boot Console Interface Features 178 179 180 181 Accessing the Boot Console Interface To access the boot console interface, follow these steps Booting Your Workstation ISL hpux /stand/vmunix.prev Searching for Bootable Media Ctrl Resetting Your Workstation Displaying and Setting Paths Mnemonic Style Notation Type Speciﬁcation Format Displaying and Setting the Monitor Type Monitor CommandMonitor Displaying the Current Monitor Configuration Setting the Monitor Type 192 To restart the monitor selection process, press TAB 194 Displaying the Current Memory Configuration Detailed Memory Configuration Table SPA Group Memory Information Sample 197 Displaying the Status of the System I/O Setting the Auto Boot and Auto Search Flags Autosearch searches for devices in the following order Displaying and Setting the Security Mode SecureSecure on Secure off Displaying and Setting the Fastboot Mode To enable fastboot, type the following at the prompt Displaying the LAN Station Address Configure and Display LAN Settings AUTOdetect 205 Displaying System Information Displaying PIM Information 208 Bootstrap service See boot Glossary Glossary 211 212 Iconify See iconize 214 Option See command option Mouse pointer See pointer Root See superuser Scsi See Small Computer System In- terface System name See internet protocol address Utility See utility program Working directory See current work- ing directory 219 220 Index 222 223 224