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REA Procedures Before You Begin - 12
Before You Begin
Before you begin the repair procedures,
• Note the unit’s external cable hookups (onsite).
• Start up any U.S. or Canadian Education customer’s
Power Macintosh 53xx computer and check the Total
Memory in the About Macintosh selection under the File
menu. If there is more than 8 MB RAM installed, do not
perform the RAM Upgrade procedure, step 23.
• Turn off the power.
• Disconnect the external and power cables (onsite).
• Put on a grounding wriststrap.