Exabyte Mammoth Manuale utente
319931-001
Exabyte Field Instructions
December 1997
Replacing the SCSI Card in an
ExabyteMammoth 8mm Tape
Drive
Contents
1 Before you begin . . . . . . . . . . . . . . . . . . . . . . . 2
2 Removing the SCSI card. . . . . . . . . . . . . . . . . 3
3 Installing the SCSI card. . . . . . . . . . . . . . . . . . 5
4 After you replace the SCSI card . . . . . . . . . . . 6
Page 2 of 6 319931
Copyright
Copyright 1996-1997 by Exabyte Corporation. All rights reserved. This item and the information
containedherein arethe propertyofExabyteCorporation.Nopartofthisdocumentmaybereproduced,
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, Boulder,
Colorado 80301.
Trademark Notices
Exabyte, EXAPAK, EXB, FileSECURE, LANCourier, NetSECURE, and SCIMON are registered
trademarks of Exabyte Corporation. Eagle, Eliant, Enspire, EXA, EXAfacts, EXAfiles, EXASOFT,
EXATAPE, and Nest are trademarks of Exabyte Corporation. All other product names are trademarks
or registered trademarks of their respective owners.
1 Before you begin
Toprotectthe tape drive fromESD,follow these procedureswhen repairing
or testing it:
Place a static protection mat on the work surface used for tape drive
components.Usea1-megohmresistortogroundthe staticprotectionmat.
Wear a static protection wrist band whenever you handle tape drive
printed circuit cards that have been removed from their antistatic bags.
Connect this wrist band to the static protection mat or to other suitable
ESD grounding.
Keep the SCSI card in an antistatic bag until you are ready to install it.
Handle the SCSI card by its edges only.
If there is a cartridge in the tape drive, remove it before performing any
maintenance procedure.
CAUTION
Beforeyoubegin,makesurethattherepairenvironment
for the tape drive is free of conditions that could cause
electrostatic discharge (ESD).
December 1997 Page 3 of 6
2Removing the SCSI card
Required tools
Torque limiting screwdriver
T-6 TORX bit
2 Removing the SCSI card
1. Turn the tape drive upside-down. Using a T-6 screwdriver, remove
the two side screwsand one rearscrewthat secure the bottomcover
to the tape drive, as shown in Figure 1. Remove the bottom cover.
2. Use a T-6 screwdriver to remove the two screws and lock washers
that secure the SCSI card to the tape drive, as shown in Figure 2.
3. Discard the old screws and lock washers.
Figure 1 Removing the bottom cover
CAUTION
Do not allow the screws or lock washers to fall into the
tape drive.
Replacing the SCSI Card in a ExabyteMammoth 8mm Tape Drive
Page 4 of 6 319931
4. The SCSI connector islocated on the underside of the SCSI card, on
the left side (see Figure 2). To disengage the SCSI connector, lift the
left edge of the card.
5. Remove the SCSI card.
Figure 2 Removing the SCSI card
CAUTION
To avoid damaging the SCSI card, lift the left side first.
Make sure the SCSI connector is disconnected before
you remove the card.
CAUTION
Be careful not to damage the MRCcard as you remove
the SCSI card.
December 1997 Page 5 of 6
3Installing the SCSI card
3 Installing the SCSI card
1. Remove the replacement SCSI card from its antistatic bag.
2. Handling the card by its edges, position the card with the SCSI
connector on the left. The hooked edge of the card goesaround the
right rear edge of the MRC card (see Figure 3).
3. Press down firmly on the left edge of the card to seat the SCSI
connector.
4. Install the two screws and lock washersused to attach the SCSI card
to the tape drive (see Figure 3). Use a T-6 screwdriver to tighten the
screws to 1.2 inch-pounds of torque.
ÌImportant Do not use the old screws. The new
screws are required to hold the card firmly in place.
5. Replace the bottom cover.
Figure 3 Replacing the SCSI card
Replacing the SCSI Card in a ExabyteMammoth 8mm Tape Drive
Page 6 of 6 319931
6. Replace the two side screws and one rear screw that secure the
bottom cover to the tape drive (see Figure 4.) Tighten the screws to
1.2 inch-pounds of torque.
4 After you replace the SCSI card
After you replace the SCSI card, you willneed to perform the following
operations:
Set the tape drive SCSI ID
Attach the power cable and SCSI cable
Power on the tape drive
Perform diagnostic tests
RefertoExabyteMammothInstallationandOperation(partnumber306484)
for instructions.
Figure 4 Replacing the bottom cover
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