Sony PCV-RX551 System Reference Manual page 47

Removing, Installing, and Replacing Components
8
Remove the AGP add-in card.
✍
Grasp the card with one hand on each end, and gently pull up as you rock the card
from side to side.
!
Hold the add-in card by its edges and do not touch any components or
contacts on the card. Static electricity in your body may damage
sensitive components on the card. As a precaution, touch any exposed
metal part on the metal chassis (preferably the metal part on the power
supply) before handling an add-in card to discharge any static electricity
in your body.
9
Align the module over the appropriate socket, noting the location of
pin 1 on the module and pin 1 on the socket.
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