Upgrades

Macintosh Processor Upgrade - 22

 

 

 

Logic Board and

Upgrade Board

Returns

Return the upgrade and logic boards to their original conditions before sending them to Apple. Be sure to remove the upgrade board from the logic board and reinstall the 68LC040 processor on the logic board.

Replacement Caution: To avoid bending any pins when removing the 68LC040 processor, pry up each side only slightly.

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Apple 575, 577, 560, 550, 500, 578 manual Logic Board Upgrade Board Returns