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IBM 342 7208 Service Manual

Manual is about: 7208 20GB External 8mm Tape Drive

Summary of 342 7208

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    Cover book cover -------------------------------------------------------------------------- 7208 20gb external 8mm tape drive service guide model 342 document number sa37-0381-00 part number 59h3813 -------------------------------------------------------------------------- 7208 tape drive service gu...

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    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. ¦ ¦ ¦ +-------------------------------------------------------------------...

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    Edition edition notice first edition (february 1998) the following paragraph does not apply to any country where such provisions are inconsistent with local law. International business machines corporation provides this publication "as is" without warranty of any kind, either express or implied, inc...

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    Contents table of contents cover book cover notices notices edition edition notice contents table of contents front_1 notices front_1.1 safety notices front_1.1.1 danger notice front_1.1.2 caution notice front_1.1.3 attention notice front_1.2 end of life (eol) plan front_1.3 safety inspection proced...

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    Front_1 notices references in this publication to ibm products, programs, or services do not imply that ibm intends to make these available in all countries in which 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...

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    Front_1.1 safety notices when using this product, observe the danger, caution, and attention notices contained in this guide. Each danger and caution notice contains a reference number (72xxdxxx or 72xxcxxx). Use the reference number to check the translation in external devices safety information, s...

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    Front_1.1.1 danger notice a danger notice calls attention to a situation that is potentially lethal or extremely hazardous to people. The following is a sample danger notice: +------------------------------------------------------------------------+ ¦ ¦ danger ¦ ¦ ¦ +--------------------------------...

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    Front_1.1.2 caution notice a caution notice calls attention to a situation that is potentially hazardous to people because of some existing condition. The following is a sample caution notice: +------------------------------------------------------------------------+ ¦ ¦ caution: ¦ ¦ ¦ do not attemp...

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    Front_1.1.3 attention notice an attention notice indicates the possibility of damage to a program, device, system, or data. 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...

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    Front_1.2 end of life (eol) plan this box is a purchased unit. Therefore, it is the sole responsibility of the purchaser to dispose of it in accordance with local laws and regulations at the time of disposal. This unit contains recyclable materials. The materials should be recycled where facilities ...

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    Front_1.3 safety inspection procedures danger +--------------------------------------------------------+ picture 3 ¦ to prevent a possible electrical shock from touching ¦ ¦ two surfaces with different electrical grounds, use ¦ ¦ one hand, when possible, to connect or disconnect ¦ ¦ signal cables. (...

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    Figure 1. Safety inspection perform the following safety checks. 1. Do a controlled system shutdown. Refer to the instructions in topic 2, "setting up the 7208 tape drive," in the 7208 20gb external 8mm tape drive model 342 setup and operator guide. 2. Turn off the power to all external devices conn...

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    Figure 2. Ac grounding diagram (50 hz and 60 hz) 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. 7208 tape drive service guide safety inspectio...

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    Figure 3. Safety inspection - rear view of the 7208 tape drive model 342 note: use an analog meter to measure grounding resistance; do not use a digital multimeter. 15. If the 7208 tape drive passes the test in the previous step, plug its external power cable into the electrical outlet. If the 7208 ...

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    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 note: this equipment has been tested and fou...

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    Front_1.5 trademarks the following terms are trademarks of the ibm corporation in the united states or other countries or both: as/400 ibm os/400 the following terms are trademarks of other companies: csa canadian standards association ul underwriter's laboratories 7208 tape drive service guide trad...

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    Front_2 about this guide this guide describes how to service the 7208 tape drive model 342. It contains the following topics: topic 1, "reference information," provides information about the operator controls, indicator lights, and liquid crystal display (lcd) on the 7208 tape drive. It also illustr...

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    Front_2.1 related publications 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. 7208 tape driv...

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    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 archives important records distributes upgrades to operating system...

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    1.1 front view 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 7208 tape drive service guide front view ¦ copyright ibm corp. 1998 1.1 - 1.

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    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 7208 tape drive service guide operator controls ¦ copyright ibm corp. 1998 1.1.1 - 1.

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    1.1.1.1 power switch 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 standardizati...

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    1.1.1.2 unload button 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. 7208 tape drive service guide unload button ¦ copyright ibm corp....

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    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 7208 tape drive service guide indicator lights ¦ copyright ibm corp. 1998 1.1.2 - 1.

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    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. 7208 tape drive service guide power-on light ¦ copyright ibm corp. 1998 1.1.2.1 - 1.

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    1.1.2.2 status lights three status lights 4 and their iso symbols appear on the 7208 tape drive as follows: the combinations of the lights and their definitions are shown in figure 5. +------------------------------------------------------------------------+ ¦ figure 5. Status lights on the 7208 tap...

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    ¦ ¦ ¦ flashes after the reset, ¦ ¦ ¦ ¦ contact your service ¦ ¦ ¦ ¦ representative. ¦ +------------------------------------------------------------------------¦ +------------------------------------------------------------------------¦ ¦ picture 23 ¦ ¦ the tape drive requires cleaning. ¦ ¦ fault ¦ o...

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    1.1.3 liquid crystal display the 7208 tape drive features a liquid crystal display (lcd) ( 5 in figure 4 in topic 1.1). The lcd provides operating and error messages. Figure 6 shows a list of messages that display on the lcd. +------------------------------------------------------------------------+...

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    ¦ >> search¦¦==== ¦ ¦ ¦ ¦ a high-speed search is in progress. ¦ ¦ ¦ ¦ +-----------------------+------------------------------------------------¦ ¦ ¦ the rewind function is in progress. ¦ +-----------------------+------------------------------------------------¦ ¦ ¦ the tape drive is erasing data on ...

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    1.2 rear view figure 7 shows the connector locations on the 7208 tape drive model 342: +------------------------------------------------------------------------+ ¦ 1 ¦ scsi address switch ¦ 3 ¦ fan ¦ +------+-----------------------------+------+----------------------------¦ ¦ 2 ¦ scsi bus cable conn...

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    1.3 rear view of the drive figure 8 shows the connector locations on the drive: +------------------------------------------------------------------------+ ¦ 1 ¦ internal scsi bus connector ¦ 3 ¦ internal scsi address ¦ ¦ ¦ ¦ ¦ connector ¦ +------+-----------------------------+------+----------------...

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    1.4 internal view figure 9 shows the inside of the 7208 tape drive model 342: +------------------------------------------------------------------------+ ¦ 1 ¦ drive ¦ 4 ¦ cooling fan ¦ +------+-----------------------------+------+----------------------------¦ ¦ 2 ¦ scsi address cable ¦ 5 ¦ power sup...

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    1.5 specifications +------------------------------------------------------------------------+ ¦ figure 10. Specifications for the 7208 tape drive model 342 ¦ +------------------------------------------------------------------------¦ ¦ physical specifications ¦ +--------------------------------------...

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    1.6 cleaning the tape drive clean the 7208 tape drive: after you use a metal particle (mp) tape, such as a 112-meter tape, a 160-meter tape, or all tapes that were compatible with previous 8mm drives after a maximum of 72 hours of tape motion you must clean the tape drive after using mp media. If yo...

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    Figure 11. Loading the cleaning cartridge 3. Slide the cartridge into the opening on the front of the 7208 tape drive until the loading mechanism pulls the cartridge into the drive and the drive door closes. After the cleaning cartridge has been fully inserted into the 7208 tape drive, the remainder...

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    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 2.5 setting the write-protect switch 2.6 ordering tape cartrid...

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    2.1 types of 8mm cartridges the 7208 tape drive model 342 is shipped with an advanced metal-evaporated (ame) data cartridge, an ame test cartridge, and a cleaning cartridge. Data cartridge use the ame data cartridge for saving or restoring your programs or data. Large and small labels are shipped wi...

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    2.2 guidelines for using tape cartridges observe the following guidelines for using media with the 7208 tape drive model 342: attention: do not use video-grade cartridges, as they are hazardous to the 7208 tape drive and will void your warranty. Before using a cartridge, let it acclimate to the oper...

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    2.3 storage and shipping environments before using an 8mm tape cartridge, let it acclimate by placing the cartridge in the operating environment for as long as it has been away from the environment, or for 24 hours, whichever is less. Acclimation is necessary for any data cartridge that has been exp...

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    2.4 operating in harsh environments the 7208 tape drive is ideally suited to streaming operations, as opposed to multiple stop-and-start, random-search tape operations. When the tape is used for frequent stop-and-start operations, it is beneficial to still have as much streaming movement as possible...

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    2.5 setting the write-protect switch the position of the write-protect switch on the 8mm tape cartridge determines when you can write to the tape. 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...

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    Figure 14. Setting the write-protect switch 7208 tape drive service guide setting the write-protect switch ¦ copyright ibm corp. 1998 2.5 - 2.

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    2.6 ordering tape cartridges 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. +------------...

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    3.0 chapter 3. Maintenance analysis procedures +------------------------------------------------------------------------+ ¦ ¦ danger ¦ ¦ ¦ +------------------------------------------------------+ ¦ ¦ picture 32 ¦ ¦ an electrical outlet that is not correctly wired ¦ ¦ ¦ ¦ ¦ could place hazardous volt...

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    3.1 purpose of the maps maintenance analysis procedures (maps) are used to check the: +------------------------------------------------------------------------+ ¦ power cable ¦ configuration ¦ scsi bus (signal) ¦ ¦ ¦ ¦ cable ¦ +-----------------------+-------------------------+----------------------...

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    3.2 flowchart of the maps 7208 tape drive service guide flowchart of the maps ¦ copyright ibm corp. 1998 3.2 - 1.

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    Figure 16. Flowchart of the maintenance analysis procedures (maps) 7208 tape drive service guide flowchart of the maps ¦ copyright ibm corp. 1998 3.2 - 2.

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    3.3 step 1 this step verifies whether the 7208 tape drive is receiving electrical power and the fan is operating properly. 1. Make sure that the 7208 tape drive power cable is plugged into an electrical outlet. 2. Make sure that the 7208 tape drive power is on by checking that: the power-on light is...

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    3.4 step 2 this step tests the voltage at the electrical outlet. 1. Press the 7208 tape drive power switch to turn off the power. 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 th...

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    3.5 step 3 this step determines whether the power cable is functional. 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? No replace the power cable, then go to step 1. Y...

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    3.6 step 4 this step prepares the 7208 tape drive to determine whether the power supply, fan, or tape drive is the cause of the problem. 1. Do a controlled system shutdown (refer to the instructions in topic 2, "setting up the 7208 tape drive," in the 7208 20gb external 8mm tape drive model 342 setu...

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    3.7 step 5 this step examines the cooling fan as the possible source of the problem. 1. Press the power switch to turn off the power. 2. Reconnect the power supply connector (j2) to the cooling fan. 3. Press the power switch to turn on the power. Does the power-on light come on and stay on, and is t...

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    3.8 step 6 this step examines the drive as the possible source of the problem. 1. Press the power switch to turn off the power. 2. Reconnect the power supply connector (j2) to the drive. 3. Press the power switch to turn on the power. Does the power-on light come on and stay on, and is there airflow...

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    3.9 step 7 this step checks whether the scsi address switch setting is correct. Is the scsi address set correctly? No 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. Yes...

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    3.10 step 8 this step examines the tape cartridge as the possible source of the problem. 1. If there is a tape cartridge currently in the drive, press the unload button to eject it. If the cartridge fails to eject, refer to "manually removing a tape cartridge" in topic 4.6. 2. With the power turned ...

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    3.11 step 9 this step examines the drive as the possible source of the problem. While pressing the power switch to turn on the power, watch for the following: the three status lights come on for approximately 10 seconds, then go out. The lcd displays the message ready-notape or ready-tape. Did the t...

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    3.12 step 10 this step checks the power supply voltage levels as the possible source of the problem. 1. Press the power switch to turn off the power. 2. Disconnect the power supply connector (j1) from the drive. 3. Disconnect the power supply connector (j2) between the power supply and the cooling f...

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    3.13 step 11 this step describes the reassembly process. 1. Press the power switch to turn off the power. 2. Unplug the power cable from the electrical outlet. 3. Make sure that the power supply connector (j1) is plugged into the drive. 4. Make sure that the power supply connector (j2) is plugged in...

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    3.14 step 12 this step ensures that the external scsi bus cable connection is proper. Ensure that the scsi bus cable is properly connected to both the as/400 and to the 7208 tape drive. Is the scsi bus cable properly connected to the as/400 and to the 7208 tape drive? No plug the scsi bus cable into...

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    3.15 step 13 this step ensures that the terminator is properly connected. Ensure that the terminator is properly connected to the last device on the scsi bus. Is the terminator properly connected to the last device on the scsi bus? No ensure that the terminator is properly connected to the last devi...

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    3.16 step 14 this step verifies that the 7208 tape drive is properly configured to the as/400. 1. At the os/400 main menu command line, type wrkcfgsts and press enter. 2. In the type field of the work with configuration status screen, type *dev, then tab to the configuration description field. 3. In...

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    3.17 step 15 this step verifies whether the 7208 tape drive can communicate with the as/400. 1. At any os/400 menu command line, type strsst and press enter. 2. At the system service tools (sst) screen, type 1 (start a service tool) and press enter. 3. At the start a service tool screen, type 7 (har...

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    3.18 step 16 this step verifies that the 7208 tape drive communicates with the as/400 and is capable of reading from and writing to tape properly. 1. At any os/400 menu command line, type vfytap and press enter. 2. Follow the screen prompts. Note: in one screen, you will be asked whether you want to...

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    4.0 chapter 4. Removal and replacement procedures this topic describes the procedures to follow when removing and replacing the field replaceable units (frus), such as the 7208 tape drive cover, drive, power supply, and cooling fan. It also describes how to manually remove a tape cartridge. +-------...

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    4.1 handling static-sensitive devices attention: tape drives are sensitive to static electricity discharge. When handling a tape drive, wrap it in an antistatic bag to prevent damage. Take the following precautions: do not remove the drive from the antistatic bag until you are ready to install it. W...

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    4.2 removing and replacing the cover to remove the cover from the 7208 tape drive: 1. If a tape cartridge is loaded in the drive, eject it. 2. Do a controlled system shutdown (refer to the instructions in topic 2, "setting up the 7208 tape drive," in the 7208 20gb external 8mm tape drive model 342 s...

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    Figure 19. Removing and replacing the cover 7208 tape drive service guide removing and replacing the cover ¦ copyright ibm corp. 1998 4.2 - 2.

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    4.3 removing and replacing the drive to remove the drive from the 7208 tape drive: 1. Perform the cover removal procedure. Refer to "removing and replacing the cover" in topic 4.2. 2. Tilt the 7208 tape drive on its side. Support the drive ( 1 in figure 20) while removing the four screws 2 that secu...

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    Figure 20. Removing and replacing the drive to replace the drive, reverse the removal procedure. Make sure to: correctly insert and engage each cable to its proper connector. Arrange the cables so that they do not interfere with the cooling fan blades or the replacement of the cover. After installin...

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    4.4 removing and replacing the power supply danger +------------------------------------------------------------------------+ ¦ do not attempt to open the covers of the power supply. Power supplies ¦ ¦ are not serviceable and are to be replaced as a unit. (72xxd300) ¦ +------------------------------...

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    Figure 21. Removing and replacing the power supply to replace the power supply, reverse the removal procedure. Make sure to: align the power supply on the base of the chassis and inside the two tabs ( 8 in figure 21). Insert the emi gasket 7 between the power supply and the drive. To reduce radiated...

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    4.5 removing and replacing the cooling fan to remove the cooling fan: 1. Perform the cover removal procedure. Refer to "removing and replacing the cover" in topic 4.2. 2. Disconnect the power supply connector (j2) ( 1 in figure 22) between the power supply and the cooling fan. 3. Remove the two scre...

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    4.6 manually removing a tape cartridge if a power failure or a drive failure prevents the tape cartridge from ejecting, the cartridge can be removed manually. Before manually removing the tape cartridge, turn off the 7208 tape drive, then turn it on again to clear potential error conditions. Press t...

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    A. On the left side panel of the drive (toward the rear) locate the hole marked unload ( 1 in figure 24). B. Insert a 2.5-mm l-hex (allen) wrench (supplied with the replacement drive) approximately 43 mm (2 in.) into the unload hole. Position it so that it seats securely into the inner socket. C. Tu...

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    Figure 25. Moving the supply reel motor. The drive is turned upside down. 8. Ensure that the tape is fully retracted into the cartridge. 9. Unload the tape cartridge by doing the following: a. At the left front of the drive, insert a 2.5-mm l-hex wrench into the hole marked unload ( 1 in figure 26)....

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    Figure 26. Unloading the tape cartridge 10. Replace the cover of the drive (reverse the removal procedure). 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 tha...

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    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 7208 tape drive service guide chapter 5. Parts diagram and parts list ¦ copyright ibm corp. 1998 5.0 - 1.

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    5.1 how to use this parts list ar (as required) in the units column indicates that the quantity is not the same for all machines. Np (non-procurable) in the part number column indicates that the part is non-procurable and that the individual parts or the next higher assembly should be ordered. Nr (n...

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    5.1.1 example of parts listing +------------------------------------------------------------+ ¦ asm-¦ part ¦ units ¦ description ¦ ¦ ¦ number ¦ ¦ ¦ ¦ inde¦ ¦ ¦ ¦ +-----+----------+-------+-----------------------------------¦ ¦ 3- ¦ 2512667 ¦ 1 ¦ cover asm, rear, red ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ 2513714 ¦ 1 ¦ cov...

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    5.1.2 assembly 1: parts diagram 7208 tape drive service guide assembly 1: parts diagram ¦ copyright ibm corp. 1998 5.1.2 - 1.

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    +------------------------------------------------------------------------+ ¦ asm- ¦ part ¦ ¦ ¦ ¦ index ¦ number ¦ units ¦ description ¦ +--------+---------+-------+---------------------------------------------¦ ¦ 1-1 ¦ 87g1642 ¦ 1 ¦ power supply ¦ ¦ -2 ¦ 1622401 ¦ 2 ¦ nut, cooling fan, m3 hex ¦ ¦ -3...

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    A.0 appendix a. Power cables +------------------------------------------------------------------------+ ¦ ¦ to avoid electrical shock, a power cable with a grounded ¦ ¦ ¦ attachment plug has been provided. Use only properly ¦ ¦ picture 46 ¦ grounded outlets. ¦ ¦ ¦ ¦ ¦ ¦ power cables used in the unit...

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    ¦ chicago ¦ ¦ ¦ +--------------------+-----------------------------------------+---------¦ ¦ 13f9940 australia ¦ argentina, australia, new zealand ¦ 3 ¦ +--------------------+-----------------------------------------+---------¦ ¦ 13f9979 france ¦ abu dhabi, austria, belgium, bulgaria, ¦ 4 ¦ ¦ ¦ bots...

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    Figure 28. Types of receptacles 7208 tape drive service guide appendix a. Power cables ¦ copyright ibm corp. 1998 a.0 - 3.

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    B.0 appendix b. Fault symptom codes and error recovery procedure numbers use figure 29 to resolve error messages that appear on the lcd of the 7208 tape drive model 342: 1. Determine the fault symptom code (fsc) in the error message (the first two digits in the message). For example, in error messag...

  • Page 86

    ¦ 14 ¦ or verify ¦ 2,8,6 ¦ ¦ ¦ ¦ ¦ ¦ o = 50% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ 15 ¦ bad filemark encountered during a ¦ 8,6 ¦ t = 100% ¦ ¦ ¦ read ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ medium error detected du...

  • Page 87

    ¦ ¦ diagnostic ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ 61 ¦ header in wrong format when ¦ 8,6 ¦ t = 100% ¦ ¦ ¦ loading ucode ¦ ¦ ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ 63 ¦ control load image not valid ¦ 8,6 ¦ t = 100...

  • Page 88

    ¦ 9f ¦ servo zone readback check failure ¦ 8,6 ¦ ¦ ¦ ¦ ¦ ¦ t = 70% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ ¦ ¦ d = 90% ¦ ¦ a1 ¦ head sync error during write ¦ 8,6 ¦ ¦ ¦ ¦ ¦ ¦ t = 10% ¦ +-----------+------------------------------------+-----------+-----------¦...

  • Page 89

    +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ ¦ ¦ d = 50% ¦ ¦ cd ¦ illegal operation code ¦ 2 ¦ ¦ ¦ ¦ ¦ ¦ s = 50% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ invalid field or reserved bits set ¦ ¦ d = 50% ¦ ¦ ce ¦ in cdb ¦ 2 ¦ ¦ ¦...

  • Page 90

    ¦ e8 ¦ drive needs cleaning ¦ 1 ¦ i ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ invalid mode (2.3gb) for data ¦ ¦ d = 50% ¦ ¦ ea ¦ compression ¦ 2 ¦ ¦ ¦ ¦ ¦ ¦ s = 50% ¦ +-----------+------------------------------------+-----------+-----------¦ ¦ ¦ ¦ ¦ d = 50% ¦ ¦...

  • Page 91

    C.0 appendix c. Error recovery procedures use figure 30 to resolve error messages that appear on the lcd of the 7208 tape drive model 342: 1. Determine the fault symptom code (fsc) in the error message (the first two digits in the message). For example, in error message err 1: ad 58 c0, the fsc is a...

  • Page 92

    Comments appendix d. Readers' comments -- we'd like to hear from you 7208 20gb external 8mm tape drive service guide model 342 publication no. Sa37-0381-00 overall, how satisfied are you with the information in this book? Legend: 1 very satisfied 2 satisfied 3 neutral 4 dissatisfied 5 very dissatisf...