Apple SCSI Hard Drive User Manual

Power Mac G4 / Macintosh Server G4

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SCSI Hard Drive

Replacement Instructions

Be sure to follow the instructions in this sheet carefully. Failure to follow these instructions
could result in damage to your equipment and may void your warranty.

Note:

Written and video instructions covering customer-installable parts are available at

http://www.info.apple.com/installparts/.

Tools Required

• Phillips screwdriver

• Flat-blade screwdriver

Backing Up Your Data

Warning: Before replacing your hard drive, make sure you back up all data on the
drive.

Opening the Computer

Warning: Always turn off your computer before opening it to avoid damaging its
internal components.

1. Place your computer on a clean, flat surface.

2. If you think your computer is in sleep, press the power button on the front of the
computer to wake it.

3. Shut down your computer by opening the Special menu and choosing Shut Down.
Then wait five minutes for the computer’s internal components to cool down.

4. If you attached a security cable through the computer’s lockable cover latch, remove
the cable.

5. Unplug all other cables from the computer except the power cord.

6. Touch the metal PCI access covers on the back of the computer.

(Figure 1A)

073-0555 Rev. B

Important:

port access covers before you touch any parts or install any components inside the
computer. To avoid static electricity building back up in your body, do not walk
around the room until you have completed your installation and closed the computer.

7. Unplug the power cord.

To avoid electrostatic discharge, always ground yourself by touching the

8. Lift the latch on the right side access panel.

9. Gently lower the access panel until it lies flat. To avoid scratching the case, lower the
panel onto a soft, clean cloth.

Warning: If you see any lights glowing on the main logic board, the computer
has not been shut down. Close the side access panel and shut down the
computer before proceeding.

(Figure 2)

(Figure 1B)

Removing the Installed Drive

1. Disconnect the power cable

2 Using a flat screwdriver, pry the SCSI cable terminator

Note:

The terminator is in a black holder attached to the drive with tape. Pry the
terminator up carefully, making sure the tape remains on the holder. You’ll use this
tape to stick the terminator to the new drive.

3. Disconnect the SCSI ribbon cable

4. Using a Phillips screwdriver, remove the drive carrier mounting screw.

5. Tilt the drive carrier and carefully remove the drive from the computer.

6. Remove the four screws from the underside of the carrier and remove the drive from
the carrier.

(Figure 5)

(Figure 3A)

(Figure 3C)

from the SCSI hard drive.

(Figure 3B)

from the hard drive.

from the drive.

(Figure 4)

Installing the Replacement Drive

1. Position the replacement drive on the driv e carrier so that the ribbon cable and power
cable connectors align with the end of the carrier that will be mounted to the chassis
(the end with the screw hole).

2. Attach the carrier to the underside of the drive with the four screws you removed from
the original drive.

3. Align the tabs on the rear of the carrier with the slots in the computer chassis and slide
the carrier in.

4. Replace the carrier’s mounting screw and tighten it to reattach the carrier to the
chassis.

5. Reconnect the SCSI ribbon cable and P5 power cable to the drive.

6. Reattach the SCSI cable terminator to the top of the drive.

Power Mac G4 SCSI Hard Drive -

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