Apple Macintosh Performa 577 - Manual (Page 110)

Upgrades Macintosh Processor Upgrade - 18
Install the Upgrade
Board
Caution:
Forcing the
upgrade board connector
pins into the logic board
socket could damage the pins.
If the connector resists
installation, check the pin
alignment.
1 Position the upgrade
connector alignment
corner over the logic
board socket alignment
corner.
Upgrade Connector
Alignment Corner
Logic Board Socket
Alignment Corner