Apple performa 400 series Instruction De Maintenance
Upgrades
Macintosh Processor Upgrade - 1
Macintosh
Processor Upgrade
Before you begin, remove
the following:
• I/O door
• Logic board
• Card in the PDS slot (if
any)
Caution:
Review the ESD
precautions in Bulletins/
Safety.
Macintosh Processor Upgrade
(including 256K Cache Card)