Specifications

Upgrades Macintosh Processor Upgrade - 3
Note: The PowerPC upgrade
for the Macintosh LC 520
and 550 consists of a
Macintosh LC 575 logic
board, the PowerPC
Upgrade Card, a new rear
panel, and the 575 product
ID label.
To install this upgrade,
follow the Macintosh LC 575
PowerPC Upgrade
procedures in this topic,
substituting the 575 logic
board, rear panel, and ID
label for those installed on
the Macintosh LC 520 and
550.