Apple Power Mac 073-0545, Power Mac 073-0724 User Manual

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Power Mac G4 (Mirrored Drive Doors)

SCSI Cable

Replacement Instructions

Follow the instructions in this sheet carefully. Failure to follow these instructions could
damage your equipment and void its warranty.

Note:

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

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

Warning: During this procedure, keep small parts away from children.

Tools Required

The only tool required for this procedure is a Phillips screwdriver.

Opening the Computer

Warning: Always shut down your computer before opening it to avoid damaging its
internal components or causing injury. After you shut down the computer, the
internal components can be very hot. Let the computer cool down before
continuing.

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 and wait five minutes before continuing.

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.

073-0724 Rev. A

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

Figure 1

(Figure 1)

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 the installation and closed the computer.

7. Unplug the power cord.

Warning: The power supply in your computer is a high-voltage component and
should not be opened for any reason, even when the computer is off. If the
power supply needs service, contact your Apple reseller or Apple Authorized
Service Provider.

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.

To avoid electrostatic discharge, always ground yourself by touching the

Power Mac G4 (Mirrored Drive Doors) SCSI Cable -

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