IBM 342 7208 Service Manual

7208 20gb external 8mm tape drive

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COVER Book Cover
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7208 20GB External 8mm Tape Drive
Service Guide
Model 342
Document Number SA37-0381-00
Part Number 59H3813
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7208 Tape Drive Service Guide
Book Cover
¦ Copyright IBM Corp. 1998
COVER - 1

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Summary of Contents for IBM 342 7208

  • Page 1 7208 Tape Drive Service Guide Book Cover COVER Book Cover -------------------------------------------------------------------------- 7208 20GB External 8mm Tape Drive Service Guide Model 342 Document Number SA37-0381-00 Part Number 59H3813 -------------------------------------------------------------------------- ¦ Copyright IBM Corp. 1998 COVER - 1...
  • Page 2 NOTICES Notices +--- Note! ----------------------------------------------------------+ ¦ Before using this information and the product it supports, be sure ¦ ¦ to read the general information under "Notices" in topic FRONT_1. ¦ ¦ ¦ +--------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 NOTICES - 1...
  • Page 3 IBM Corporation, Department 61C, 9000 South Rita Road, Tucson, Arizona 85744-0001, U.S.A. When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you.
  • Page 4: Table Of Contents

    Parts Diagram Appendix A. Power Cables Appendix B. Fault Symptom Codes and Error Recovery Procedure Numbers Appendix C. Error Recovery Procedures COMMENTS Appendix D. Readers' Comments -- We'd Like to Hear from You ¦ Copyright IBM Corp. 1998 CONTENTS - 1...
  • Page 5: Front_1 Notices

    IBM operates. Any reference to an IBM program or other IBM product in this publication is not intended to state or imply that only IBM's program or other product may be used. Any functionally equivalent program that does not infringe any of IBM's intellectual property rights may be used instead of the IBM product.
  • Page 6: Front_1.1

    (72XXDxxx or 72XXCxxx). Use the reference number to check the translation in External Devices Safety Information, SA26-7003. Examples of danger, caution, and attention notices follow. Subtopics FRONT_1.1.1 Danger Notice FRONT_1.1.2 Caution Notice FRONT_1.1.3 Attention Notice ¦ Copyright IBM Corp. 1998 FRONT_1.1 - 1...
  • Page 7: Front_1.1.1

    ¦ ¦ ¦ ¦ ¦ outlet is correctly wired and grounded to prevent an ¦ ¦ ¦ ¦ ¦ electrical shock. (72XXD201) ¦ ¦ ¦ ¦ +------------------------------------------------------+ ¦ ¦ ¦ ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 FRONT_1.1.1 - 1...
  • Page 8: Front_1.1.2

    ¦ the entire device (module and enclosure) as a unit. ¦ ¦ ¦ First remove the module; then, use two hands to lift the ¦ ¦ ¦ enclosure. (72XXC356) ¦ ¦ ¦ ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 FRONT_1.1.2 - 1...
  • Page 9: Front_1.1.3

    The following is a sample attention notice: Attention: Do not operate the 7208 Tape Drive in a poor air-quality environment. If your environment contains an excessive amount of particulates, contact your service representative for more information. ¦ Copyright IBM Corp. 1998 FRONT_1.1.3 - 1...
  • Page 10: Front_1.2

    This unit contains recyclable materials. The materials should be recycled where facilities are available and according to local regulations. In some areas IBM may provide a product take-back program that ensures proper handling of the product. Contact your IBM representative for more information.
  • Page 11: Front_1.3

    Use the following procedures to identify unsafe conditions. Be cautious of potential safety hazards not covered by the procedures. If unsafe conditions are present, determine how serious the hazards are and whether you should continue before correcting the problem. Figure 1 shows the components to review during the service inspection. ¦ Copyright IBM Corp. 1998 FRONT_1.3 - 1...
  • Page 12 12. Check the voltage label on the bottom of the 7208 Tape Drive to make sure it matches the voltage at your outlet. 13. Check the voltage level at the outlet and also check for proper grounding (see Figure 2 in topic FRONT_1.3). ¦ Copyright IBM Corp. 1998 FRONT_1.3 - 2...
  • Page 13 14. With the external power cable ( 1 in Figure 3) connected to the 7208 Tape Drive, check to ensure 1.0 ohm or less resistance between the ground lug on the external power cable plug and the metal frame. ¦ Copyright IBM Corp. 1998 FRONT_1.3 - 3...
  • Page 14 Note: Safety Information Label, Part Number 85F7884, located on top of the power supply under the top cover, shows the following symbol: This symbol indicates a hazard arising from dangerous voltage inside. Do not open. ¦ Copyright IBM Corp. 1998 FRONT_1.3 - 4...
  • Page 15: Front_1.4

    7208 Tape Drive Service Guide Electronic Emission Notices FRONT_1.4 Electronic Emission Notices The following statement applies to this IBM product. The statement for other IBM products intended for use with this product will appear in their accompanying manuals. Federal Communications Commission (FCC) Statement...
  • Page 16: Front_1.5 Trademarks

    7208 Tape Drive Service Guide Trademarks FRONT_1.5 Trademarks The following terms are trademarks of the IBM Corporation in the United States or other countries or both: AS/400 OS/400 The following terms are trademarks of other companies: Canadian Standards Association Underwriter's Laboratories ¦...
  • Page 17: Front_2

    Appendix B, "Fault Symptom Codes and Error Recovery Procedure Numbers," lists codes and numbers needed to resolve error messages. Appendix C, "Error Recovery Procedures," lists the procedures to follow to resolve error messages. Store this guide with your system manuals. Subtopics FRONT_2.1 Related Publications ¦ Copyright IBM Corp. 1998 FRONT_2 - 1...
  • Page 18: Front_2.1

    7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide, SA37-0380, provides information about installing and operating the 7208 Tape Drive. External Devices Safety Information, SA26-7003, provides translations of danger and caution notices. ¦ Copyright IBM Corp. 1998 FRONT_2.1 - 1...
  • Page 19: Chapter 1. Reference Information

    Chapter 1. Reference Information 1.0 Chapter 1. Reference Information The 7208 20GB External 8mm Tape Drive Model 342 is an external storage device that connects to the IBM AS/400 and stores additional data. The 7208 Tape Drive: Saves and restores system data files...
  • Page 20 Figure 4 shows the front view of the 7208 Tape Drive Model 342. Figure 4. Front View of the 7208 Tape Drive Model 342 Subtopics 1.1.1 Operator Controls 1.1.2 Indicator Lights 1.1.3 Liquid Crystal Display ¦ Copyright IBM Corp. 1998 1.1 - 1...
  • Page 21 7208 Tape Drive Service Guide Operator Controls 1.1.1 Operator Controls The 7208 Tape Drive has the following operator controls. Subtopics 1.1.1.1 Power Switch 1.1.1.2 Unload Button ¦ Copyright IBM Corp. 1998 1.1.1 - 1...
  • Page 22 The power switch ( 1 in Figure 4 in topic 1.1) is a push button switch that enables the power to be turned on or off. When the 7208 Tape Drive is on, the power-on light 2 is on. Note: The PICTURE 9 symbol beside the power switch is an International Organization for Standardization (ISO) symbol for a push button switch. ¦ Copyright IBM Corp. 1998 1.1.1.1 - 1...
  • Page 23 The unload button 3 enables a tape cartridge to be ejected. The unload button operates only when the 7208 Tape Drive power is on. To remove a tape cartridge, press and hold the unload button for about one second. ¦ Copyright IBM Corp. 1998 1.1.1.2 - 1...
  • Page 24 7208 Tape Drive Service Guide Indicator Lights 1.1.2 Indicator Lights The 7208 Tape Drive Model 342 has the following indicator lights. Subtopics 1.1.2.1 Power-On Light 1.1.2.2 Status Lights ¦ Copyright IBM Corp. 1998 1.1.2 - 1...
  • Page 25 7208 Tape Drive Service Guide Power-On Light 1.1.2.1 Power-On Light When the 7208 Tape Drive is turned on, the power-on light 2 comes on and stays on. ¦ Copyright IBM Corp. 1998 1.1.2.1 - 1...
  • Page 26 ¦ ¦ ¦ ¦ the unload button for about ¦ ¦ ¦ ¦ 15 seconds. ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ If the Fault light still ¦ ¦ Copyright IBM Corp. 1998 1.1.2.2 - 1...
  • Page 27 ¦ ¦ ¦ ¦ movement is occurring. If the ¦ ¦ ¦ ¦ light is off, no tape ¦ ¦ ¦ ¦ movement is occurring. ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 1.1.2.2 - 2...
  • Page 28 ¦ ¦ ILLEGAL WRT ¦ data cartridge inserted. This message remains ¦ ¦ ¦ until a proper tape is inserted or a tape ¦ ¦ ¦ motion command is issued. ¦ +-----------------------+------------------------------------------------¦ ¦ Copyright IBM Corp. 1998 1.1.3 - 1...
  • Page 29 ¦ present). To resolve the error, refer to ¦ ¦ ¦ Appendix B, "Fault Symptom Codes and Error ¦ ¦ ¦ Recovery Procedure Numbers" in topic B.0. ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 1.1.3 - 2...
  • Page 30 ¦ SCSI address switch ¦ ¦ Fan ¦ +------+-----------------------------+------+----------------------------¦ ¦ ¦ SCSI bus cable connectors ¦ ¦ Power cable connector ¦ +------------------------------------------------------------------------+ Figure 7. Rear View of the 7208 Tape Drive Model 342 ¦ Copyright IBM Corp. 1998 1.2 - 1...
  • Page 31 ¦ Internal SCSI bus connector ¦ ¦ Internal SCSI address ¦ ¦ ¦ ¦ ¦ connector ¦ +------+-----------------------------+------+----------------------------¦ ¦ ¦ Power supply connector ¦ ¦ ¦ +------------------------------------------------------------------------+ Figure 8. Connector Locations on the Drive ¦ Copyright IBM Corp. 1998 1.3 - 1...
  • Page 32 +------+-----------------------------+------+----------------------------¦ ¦ ¦ SCSI address cable ¦ ¦ Power supply ¦ +------+-----------------------------+------+----------------------------¦ ¦ ¦ SCSI bus connectors ¦ ¦ ¦ +------------------------------------------------------------------------+ Figure 9. Internal View of the 7208 Tape Drive Model 342 ¦ Copyright IBM Corp. 1998 1.4 - 1...
  • Page 33 The operating limits include media. The storage and shipping ¦ ¦ limits do not include media. For media storage and shipping ¦ ¦ limits, see "Storage and Shipping Environments" in topic 2.3. ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 1.5 - 1...
  • Page 34 The 7208 Tape Drive counts the number of hours of tape motion and indicates when it is time to clean the tape drive by displaying the message CLEAN SOON and turning on the Fault status light. To clean the tape drive, use only the IBM 8mm Cleaning Cartridge (part number 59H2898). For uninterrupted operation, have one or more spare cleaning cartridges available.
  • Page 35 Drive automatically detects the error, ejects the cartridge, and displays the message DEPLETED. The Fault status light remains on to indicate that cleaning is still required. Replace the depleted cartridge with a new cleaning cartridge. ¦ Copyright IBM Corp. 1998 1.6 - 2...
  • Page 36: Chapter 2. Using The Media

    7208 Tape Drive Service Guide Chapter 2. Using the Media 2.0 Chapter 2. Using the Media Use only IBM 8mm cartridges with the 7208 Tape Drive. Subtopics 2.1 Types of 8mm Cartridges 2.2 Guidelines for Using Tape Cartridges 2.3 Storage and Shipping Environments 2.4 Operating in Harsh Environments...
  • Page 37 Cleaning Cartridge Use the specially labeled cleaning cartridge to clean the tape drive (see "Cleaning the Tape Drive" in topic 1.6). To order additional cartridges, refer to "Ordering Tape Cartridges" in topic 2.6. ¦ Copyright IBM Corp. 1998 2.1 - 1...
  • Page 38 Before using a cartridge, let it acclimate to the operating environment for as long as it has been away from the environment or for 24 hours, whichever is less. Use only IBM 8mm cartridges with the 7208 Tape Drive Model 342. The 7208 Tape Drive: Reads from and writes to AME cartridges Reads from metal particle (MP) cartridges To order tape cartridges, see "Ordering Tape Cartridges"...
  • Page 39 20 to 80% ¦ 20 to 80% ¦ ¦ (noncondensing) ¦ ¦ ¦ +--------------------+------------------------------+--------------------¦ ¦ ¦ 26°C ¦ 26°C ¦ ¦ Maximum Wet Bulb ¦ ¦ ¦ ¦ ¦ (79°F) ¦ (79°F) ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 2.3 - 1...
  • Page 40 The magnetic and physical strength of the tape will have deteriorated as a result of its exposure to the environment. Do not store important data on such a tape; transfer the data to a newer tape for reliable archiving. ¦ Copyright IBM Corp. 1998 2.4 - 1...
  • Page 41 When the switch is set to SAVE 1 , data cannot be written to or read from the tape. When the switch is set to REC (Record) 2 , data can be written to and read from the tape. ¦ Copyright IBM Corp. 1998 2.5 - 1...
  • Page 42 7208 Tape Drive Service Guide Setting the Write-Protect Switch Figure 14. Setting the Write-Protect Switch ¦ Copyright IBM Corp. 1998 2.5 - 2...
  • Page 43 Figure 15 lists the tape cartridges that you can order for the 7208 Tape Drive Model 342. To order cartridges in the United States and Canada, call 1-888-IBM-MEDIA. To order cartridges in other locations, contact your local provider of IBM storage products.
  • Page 44: Chapter 3. Maintenance Analysis Procedures

    3.8 Step 6 3.9 Step 7 3.10 Step 8 3.11 Step 9 3.12 Step 10 3.13 Step 11 3.14 Step 12 3.15 Step 13 3.16 Step 14 3.17 Step 15 3.18 Step 16 ¦ Copyright IBM Corp. 1998 3.0 - 1...
  • Page 45 Figure 16 in topic 3.2 provides a flowchart to be used as a guide to the MAPs. For detailed instructions on how to perform each procedure safely and correctly, refer to the steps in this topic. ¦ Copyright IBM Corp. 1998 3.1 - 1...
  • Page 46 7208 Tape Drive Service Guide Flowchart of the MAPs 3.2 Flowchart of the MAPs ¦ Copyright IBM Corp. 1998 3.2 - 1...
  • Page 47 7208 Tape Drive Service Guide Flowchart of the MAPs Figure 16. Flowchart of the Maintenance Analysis Procedures (MAPs) ¦ Copyright IBM Corp. 1998 3.2 - 2...
  • Page 48: Step 1

    While watching for the power-on light to come on, press the power switch again. Repeat this procedure several times. If the power-on light fails to come on or if there is no airflow from the fan, go to Step 2. Go to Step 7. ¦ Copyright IBM Corp. 1998 3.3 - 1...
  • Page 49: Step 2

    2. Unplug the 7208 Tape Drive power cable from the electrical outlet and from the 7208 Tape Drive. 3. Measure the voltage at the electrical outlet. Is the voltage from the electrical outlet correct? Contact your service personnel for further instructions. Go to Step 3. ¦ Copyright IBM Corp. 1998 3.4 - 1...
  • Page 50: Step 3

    Make sure that all of the conductors in the power cable have continuity, and that there are no short circuits. Does the power cable have continuity and are there no short circuits? Replace the power cable, then go to Step 1. Go to Step 4. ¦ Copyright IBM Corp. 1998 3.5 - 1...
  • Page 51: Step 4

    Does the power-on light come on and stay on? Replace the power supply, the go to Step 5. Refer to "Removing and Replacing the Power Supply" in topic 4.4. Go to Step 5. ¦ Copyright IBM Corp. 1998 3.6 - 1...
  • Page 52: Step 5

    Does the power-on light come on and stay on, and is there airflow from the fan? Replace the cooling fan, then return to Step 5. Refer to "Removing and Replacing the Cooling Fan" in topic 4.5. Go to Step 6. ¦ Copyright IBM Corp. 1998 3.7 - 1...
  • Page 53: Step 6

    Does the power-on light come on and stay on, and is there airflow from the fan? Replace the drive, then return to Step 6. Refer to "Removing and Replacing the Drive" in topic 4.3. Go to Step 9. ¦ Copyright IBM Corp. 1998 3.8 - 1...
  • Page 54: Step 7

    Set the SCSI address to 0, then go to Step 12. Refer to the instructions for setting the SCSI address in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide. Go to Step 9. ¦ Copyright IBM Corp. 1998 3.9 - 1...
  • Page 55: Step 8

    Removing a Tape Cartridge" in topic 4.6. 2. With the power turned on to the 7208 Tape Drive, insert a blank IBM data cartridge (part number 59H2678 or 59H2671). 3. Check that after approximately 20 seconds, the Ready light comes on and stays on, and the LCD displays the message READY-TAPE.
  • Page 56: Step 9

    The LCD displays the message READY-NOTAPE or READY-TAPE. Did the three status lights come on and go out, and did the message READY-NOTAPE or READY-TAPE display? Go to Step 10. Go to Step 11. ¦ Copyright IBM Corp. 1998 3.11 - 1...
  • Page 57: Step 10

    Are the voltages good, and does the power-on light come on and stay on? Replace the power supply. Refer to "Removing and Replacing the Power Supply" in topic 4.4. Replace the drive. Refer to "Removing and Replacing the Drive" in topic 4.3. ¦ Copyright IBM Corp. 1998 3.12 - 1...
  • Page 58: Step 11

    Verify that the 7208 Tape Drive was reassembled correctly. If the power-on light still does not come on and there is no airflow from the fan, go to Step 1. Go to Step 12. ¦ Copyright IBM Corp. 1998 3.13 - 1...
  • Page 59: Step 12

    Is the SCSI bus cable properly connected to the AS/400 and to the 7208 Tape Drive? Plug the SCSI bus cable into both the AS/400 and the 7208 Tape Drive, then go to Step 13. Go to Step 13. ¦ Copyright IBM Corp. 1998 3.14 - 1...
  • Page 60: Step 13

    Is the terminator properly connected to the last device on the SCSI bus? Ensure that the terminator is properly connected to the last device on the SCSI bus, then go to Step 14. Go to Step 14. ¦ Copyright IBM Corp. 1998 3.15 - 1...
  • Page 61: Step 14

    Note: To determine the number of the 7208 Tape Drive that you are configuring, refer to the instructions for performing the checkout procedure in the 7208 20GB External 8mm Tape Drive Model 342 Setup and Operator Guide. Go to Step 15. Go to Step 16. ¦ Copyright IBM Corp. 1998 3.16 - 1...
  • Page 62: Step 15

    The 7208 Tape Drive and its tape controller appear in the list, and display a status of Operational. Is the 7208 Tape Drive and a tape controller listed under the Storage IOP column, and is their status operational? Contact your service personnel for further instructions. Go to Step 16. ¦ Copyright IBM Corp. 1998 3.17 - 1...
  • Page 63 Rerun the test with another cartridge. If the test fails a second time, replace the drive. Refer to "Removing and Replacing the Drive" in topic 4.3. The problem is fixed. This completes the MAPs. ¦ Copyright IBM Corp. 1998 3.18 - 1...
  • Page 64: Chapter 4. Removal And Replacement Procedures

    4.2 Removing and Replacing the Cover 4.3 Removing and Replacing the Drive 4.4 Removing and Replacing the Power Supply 4.5 Removing and Replacing the Cooling Fan 4.6 Manually Removing a Tape Cartridge ¦ Copyright IBM Corp. 1998 4.0 - 1...
  • Page 65 With the drive still in its antistatic bag, touch it to the metal frame of an electrically grounded surface. Hold the drive by the frame. Avoid touching the solder joints or pins. Handle the drive carefully to prevent permanent damage. ¦ Copyright IBM Corp. 1998 4.1 - 1...
  • Page 66 7. Tilt the 7208 Tape Drive on its side and remove the four cover mounting screws from the bottom (see Figure 19). 8. Remove the cover by sliding it to the rear (see the directional arrow in Figure 19). To replace the cover, reverse the removal procedure. ¦ Copyright IBM Corp. 1998 4.2 - 1...
  • Page 67 7208 Tape Drive Service Guide Removing and Replacing the Cover Figure 19. Removing and Replacing the Cover ¦ Copyright IBM Corp. 1998 4.2 - 2...
  • Page 68 Note: To remove the cable, grasp the connector and pull it towards you. Do not pull on the cable. 6. Disconnect the internal SCSI address cable 5 from the drive. 7. Slide the drive forward and out of the chassis. ¦ Copyright IBM Corp. 1998 4.3 - 1...
  • Page 69 After installing the cover, align the drive with the front of the cover, then tighten the four screws ( 2 in Figure 20) that secure the drive to the chassis. Note: The power supply connector J3 is not used in the 7208 Tape Drive Model 342. ¦ Copyright IBM Corp. 1998 4.3 - 2...
  • Page 70 7. Push the power switch push button 6 out of the front panel and set it aside. 8. Remove the electromagnetic interference (EMI) gasket 7 and save it for installation with the replacement power supply. ¦ Copyright IBM Corp. 1998 4.4 - 1...
  • Page 71 Arrange the cables so that they do not interfere with the cooling fan blades or the replacement of the cover. Ensure that they do not obstruct airflow through the fan. Note: The power supply connector J3 is not used in the 7208 Tape Drive. ¦ Copyright IBM Corp. 1998 4.4 - 2...
  • Page 72 To replace the cooling fan, reverse the removal procedure. Make sure that the cooling fan is oriented so that air flows from the rear of the 7208 Tape Drive. Figure 22. Removing and Replacing the Cooling Fan ¦ Copyright IBM Corp. 1998 4.5 - 1...
  • Page 73 Attention: The procedure that follows may result in damage to your tape cartridge. If you use this procedure, you must replace the drive. If you choose to return the drive and the stuck tape to IBM for maintenance, the tape will be scrapped.
  • Page 74 2 . c. Gently push the flange with the probe in the direction marked on the drive (clockwise). d. Repeat the preceding step until there is no slack in the tape. ¦ Copyright IBM Corp. 1998 4.6 - 2...
  • Page 75 At the left front of the drive, insert a 2.5-mm L-Hex wrench into the hole marked UNLOAD ( 1 in Figure 26). b. Turn the wrench in the direction marked on the drive (counterclockwise) until the tape ejects. ¦ Copyright IBM Corp. 1998 4.6 - 3...
  • Page 76 11. Replace the drive (refer to "Removing and Replacing the Drive" in topic 4.3). Note: Service personnel should record on the QSAR the error message that displayed on the LCD and the fact that the tape cartridge had to be manually removed. ¦ Copyright IBM Corp. 1998 4.6 - 4...
  • Page 77: Chapter 5. Parts Diagram And Parts List

    5.0 Chapter 5. Parts Diagram and Parts List This topic provides the parts diagram and parts list required to service the 7208 Tape Drive Model 342. Subtopics 5.1 How To Use This Parts List ¦ Copyright IBM Corp. 1998 5.0 - 1...
  • Page 78: Example Of Parts Listing

    Detail part of a one-dot sub assembly (Two dots) Sub assembly of a one-dot sub assembly (Three dots) Detail part of a two-dot sub assembly Subtopics 5.1.1 Example of Parts Listing 5.1.2 Assembly 1: Parts Diagram ¦ Copyright IBM Corp. 1998 5.1 - 1...
  • Page 79 ¦ -6 ¦ 5356429 ¦ ¦ Clip, Retaining ¦ +-----+----------+-------+-----------------------------------¦ ¦ -7 ¦ NP ¦ ¦ Cover, Rear, Without Paint ¦ +-----+----------+-------+-----------------------------------¦ ¦ -5 ¦ 0416629 ¦ ¦ Screw, Panel ¦ +------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 5.1.1 - 1...
  • Page 80 7208 Tape Drive Service Guide Assembly 1: Parts Diagram 5.1.2 Assembly 1: Parts Diagram ¦ Copyright IBM Corp. 1998 5.1.2 - 1...
  • Page 81 ¦ ¦ 49G6459 ¦ 1 ¦ System-to-device ultra-SCSI bus cable, 18 ¦ ¦ ¦ ¦ ¦ meters (59 feet) ¦ ¦ ¦ 61G8324 ¦ 1 ¦ Terminator, SCSI fast/wide differential ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 5.1.2 - 2...
  • Page 82: Appendix A. Power Cables

    ¦ ¦ ¦ Saudi Arabia, Suriname, Taiwan, ¦ ¦ ¦ ¦ Trinidad, U.S.A. (except Chicago), ¦ ¦ ¦ ¦ Venezuela ¦ ¦ +--------------------+-----------------------------------------+---------¦ ¦ 6952301 6 ft ¦ Chicago, U.S.A. ¦ ¦ ¦ Copyright IBM Corp. 1998 A.0 - 1...
  • Page 83 ¦ ¦ ¦ +--------------------+-----------------------------------------+---------¦ ¦ 14F0069 Italy ¦ Chile, Ethiopia, Italy ¦ ¦ +--------------------+-----------------------------------------+---------¦ ¦ 14F0087 Israel ¦ Israel ¦ ¦ +--------------------+-----------------------------------------+---------¦ ¦ 6952291 Colombia ¦ Colombia, Paraguay, Uruguay ¦ ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 A.0 - 2...
  • Page 84 7208 Tape Drive Service Guide Appendix A. Power Cables Figure 28. Types of Receptacles ¦ Copyright IBM Corp. 1998 A.0 - 3...
  • Page 85: Appendix B. Fault Symptom Codes And Error Recovery Procedure Numbers

    ¦ ¦ ¦ cannot sync ¦ ¦ ¦ ¦ ¦ ¦ ¦ T = 90% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ PEOT or PEOP encountered on a READ ¦ ¦ D = 50% ¦ ¦ Copyright IBM Corp. 1998 B.0 - 1...
  • Page 86 ¦ ¦ O = 90% ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ S = 5% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ Hardware error during SEND ¦ ¦ D = 100% ¦ ¦ Copyright IBM Corp. 1998 B.0 - 2...
  • Page 87 ¦ Permanent write error rewrite ¦ ¦ D = 30% ¦ ¦ ¦ threshold ¦ ¦ ¦ ¦ ¦ ¦ ¦ T = 70% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ ¦ ¦ D = 30% ¦ ¦ Copyright IBM Corp. 1998 B.0 - 3...
  • Page 88 ¦ Log Parameter changed ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ ¦ ¦ D = 50% ¦ ¦ ¦ Parameter List Length error in CDB ¦ ¦ ¦ ¦ ¦ ¦ ¦ S = 50% ¦ ¦ Copyright IBM Corp. 1998 B.0 - 4...
  • Page 89 B = 100% ¦ ¦ ¦ Error ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ ABORT sent by initiator has been ¦ ¦ B = 100% ¦ ¦ ¦ completed ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ Copyright IBM Corp. 1998 B.0 - 5...
  • Page 90 ¦ Head sync value in EEPROM out of ¦ ¦ D = 100% ¦ ¦ ¦ range ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ EEPROM contains meaningless ¦ ¦ D = 100% ¦ ¦ ¦ information ¦ ¦ ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 B.0 - 6...
  • Page 91: Appendix C. Error Recovery Procedures

    ¦ The block size requested on the read operation does not match ¦ ¦ ¦ the block size that the tape was written at. Change the ¦ ¦ ¦ application's block size. ¦ +------------------------------------------------------------------------+ ¦ Copyright IBM Corp. 1998 C.0 - 1...
  • Page 92: Comments Appendix D. Readers' Comments -- We'd Like To Hear From You

    .._______________________________________________ Company or Organization _______________________________________________ Address .._______________________________________________ _______________________________________________ _______________________________________________ Phone No.._______________________________________________ ¦ Copyright IBM Corp. 1998 COMMENTS - 1...

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