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510504-002
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Copyright Copyright 1994 by Exabyte Corporation. All rights reserved. This item and the information contained herein are the property of Exabyte Corporation. No part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise, without the express written permission of Exabyte Corporation, 1685 38th Street, Boul
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Changes and Enhancements to This Manual This revision (510504-002) of the EXB-8205 and EXB-8505 Product Specification for Standard and eXtended Length (XL) Configurations replaces the EXB-8205 8mm Cartridge Tape Subsystem Product Specification (510703) and the EXB-8505 8mm Cartridge Tape Subsystem Product Specification (510504). This manual includes the following changes and enhancements: The manual has been reorganized for easier reference. Chapters 1 through 3 include a general description of
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Product Warranty Caution The EXB-8205, EXB-8205XL, EXB-8505, and EXB-8505XL 8mm Cartridge Tape Subsystems are warranted to be free from defects in materials, parts, and workmanship and will conform to the current product specification upon delivery. For the specific details of your warranty, refer to your sales contract or contact the company from which the tape drive was purchased. The warranty for the EXB-8205, EXB-8205XL, EXB-8505, and EXB-8505XL shall not apply to failures caused by: Physica
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Contents About This Manual xii IntendedAudience .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . xii HowThisManualisOrganized.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. xii RelatedPublications .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . xiii ConventionsUsedinThisSpecification .. .. .. .. .. .. .. .. .. .. .. .. .. xiv 1 Features 1-1 Features .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 1-2 Read/Write Compatibility with Other Tape Drives . . . . . . .
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3 Functional Description 3-1 WriteOperations .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 3-2 DataFlowandDataCompression .. .. .. .. .. .. .. .. .. .. .. .. . 3-2 StreamingandStart/StopModes .. .. .. .. .. .. .. .. .. .. .. .. .. 3-4 ThresholdsDuringaWriteOperation . .. .. .. .. .. .. .. .. .. .. .. 3-5 Error Detection, Correction, and Recovery Procedures . . . . . . . . . . . . . 3-6 ReadOperations.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 3-7 ThresholdsDuringaRea
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6 Functional Specifications 6-1 PerformanceSpecifications .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 6-2 WriteAccessTime . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 6-2 ReadAccessTime.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 6-2 TapeSpeed . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 6-3 RepositionTime.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 6-4 DrumRotationPeriod . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 6-5 TapeTensionReleaseandDrumMoti
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Figures Features Figure 1-1 Comparisonofthefourtapedrives .. .. .. .. .. .. .. .. .. .. .. 1-3 Figure 1-2 Frontpanel .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 1-9 Figure 1-3 Labellocationandcontent . .. .. .. .. .. .. .. .. .. .. .. .. . 1-10 Figure 1-4 Backpanel(single-endedconfiguration) .. .. .. .. .. .. .. .. .. 1-11 Figure 1-5 Internal components (EXB-8505 shown) . . . . . . . . . . . . . . . . . . 1-13 Figure 1-6 Locationofthereadheadsandwriteheads . .. .. .. .. .. .. .. . 1-14
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Functional Specifications Figure 6-1 Powerconnectorlocationonthebackpanel.. .. .. .. .. .. .. .. . 6-13 Figure 6-2 Chassisgroundlocationonbackpanel.. .. .. .. .. .. .. .. .. .. 6-14 Figure 6-3 Temperatureandhumidityrangesforoperation . .. .. .. .. .. .. . 6-16 Figure 6-4 Particulatecontaminationspecificationvs.typicaloffice .. .. .. .. . 6-18 May 1994 EXB-8205 and EXB-8505 ix (Standard and XL)
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Tables Features Table 1-1 Comparisonoftapedrivefeatures .. .. .. .. .. .. .. .. .. .. .. . 1-4 Table 1-2 Read/write compatibility of Exabyte 8mm tape drives . . . . . . . . . . . 1-5 Table 1-3 Dataformatfeatures .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 1-5 Table 1-4 Approximate capacities of EXATAPE data cartridges . . . . . . . . . . . . 1-8 Table 1-5 EXATAPE media compatibility with 8mm tape drives . . . . . . . . . . 1-21 Recording Format Table 2-1 Recording parameters . . . . . . . . .
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About This Manual This product specification describes the functional, performance, and ® environmental specifications for the following EXABYTE 8mm Cartridge Tape Subsystems (tape drives): EXB-8205 EXB-8205XL (extended length) EXB-8505 EXB-8505XL (extended length) Intended Audience This manual is for engineering, purchasing, or marketing personnel who want to evaluate the EXB-8205, EXB-8205XL, EXB-8505, and EXB-8505XL to determine the feasibility of integrating them into product lines. How This
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Chapter 7 describes compliance with regulatory and safety agency standards, including electromagnetic susceptibility (EMI), susceptibility to electrostatic discharge (ESD), and radiated susceptibility. This product specification contains a glossary and an index. Related Publications The following publications list additional, related information. EXB-8205 and EXB-8505 8mm Cartridge Tape Subsystems For information about installing, operating, and maintaining the EXB-8205, EXB-8205XL, EXB-8505, an
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Standards For information about the standards used for the tape drives, refer to the following publications: ANSI Small Computer System Interface (SCSI), X3.131 - 1989 ANSI Small Computer System Interface-2 (SCSI-2), X3.131 -1994 ANSI/ISO/IEC 11319-1992 and ECMA-145, Information Technology —8mm Wide Magnetic Tape Cartridge for Information Interchange, July 1992 ISO/IEC 12246 and ECMA-169, Information Technology—8mm Wide Magnetic Tape Cartridge Dual Azimuth Format for Information Interchange, Hel
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Notes: xiv EXB-8205 and EXB-8505 510504 (Standard and XL)
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1 Features This chapter provides an overview of the EXB-8205, EXB-8205XL, EXB-8505, and EXB-8505XL, including: Features Physical description Related products May 1994 EXB-8205 and EXB-8505 1-1 (Standard and XL)
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1 Features Features The EXB-8205, EXB-8205XL, EXB-8505, and EXB-8505XL are enhanced 8mm digital helical-scan cartridge tape subsystems (tape drives). The tape drives are packaged in the industry standard 5.25-inch half-high form factor, which allows for ease of integration across a multitude of platforms. Featuring an integral Small Computer System Interface (SCSI) controller (either single-ended or differential configuration), these tape drives are the easily integrated solution to your journal
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1 Features Figure 1-1 Comparison of the four tape drives The EXB-8205XL and EXB-8505XL are fully compatible with the EXB-8205 and EXB-8505; each extended length tape drive supports all of the tape sizes and data formats supported by the corresponding standard tape drive. You can distinguish an extended length tape drive from a standard tape drive by checking the unload button. The extended length tape drives have a raised diamond pattern on the unload button. Table 1-1 compares the features of t
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1 Features Table 1-1 Comparison of tape drive features EXB-8505 and EXB-8505XL EXB-8205 and EXB-8205XL Form factor Half-high 5.25 inches Data formats supported 8200, 8200c, 8500, 8500c 8200, 8200c Buffer size 1.0 MByte Data transfer rate* 1.0 MByte per second 500 KBytes per second 75X normal (8500c, 8500, and 75X normal (8200c format) Search speed 8200c formats) 10X normal (8200 format) 10X normal (8200 format) Synchronous data transfer yes Time-to-clean LED indication yes Compression yes *These
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1 Features Table 1-2 Read/write compatibility of Exabyte 8mm tape drives Atape Can be read and written by an ... written in EXB-8205 EXB-8205 XL EXB-8505 EXB-8505 XL this format... 44 4 4 8200 8200c 44 4 4 44 8500 44 8500c Table 1-3 Data format features 8500 format 8500c format* 8200 8200c (EXB-8505 and (EXB-8505 and format format* EXB-8505XL) EXB-8505XL) 262 500 1.0 Maximum sustained data transfer rate KBytes/sec KBytes/sec MByte/sec Maximum capacity on 2.5 5.0 10.0 112m tape GBytes GBytes GByt
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1 Features Determining the Tape Format When writing data to tape, the tape drive does one of the following: If the tape is positioned at the logical beginning of tape (LBOT), the tape drive writes data in the default format or whatever format you select with the SCSI MODE SELECT (15h) command. (The tape drive allows only one format on any one tape.) If the tape is positioned at any other valid position for writing data, the tape drive writes data in the same format as the data already on the tap
