Asus P5N-E SLI - Manual (Page 111)

ASUS P5N-E SLI 3-9
2. Simultaneously push the retention clips outward to release the card.
Pre-installed
ASUS EZ
selector card
3.3.2 Dual graphics card setup
Setting the ASUS EZ selector card
Your motherboard package comes with a pre-
installed ASUS EZ selector card. By default, the
card is set for a single graphics card. To use two
graphics cards on this motherboard, you must first
set the selector card to Dual Video Cards.
To set the selector card:
1. Locate the selector card on the motherboard.
ASUS EZ selector card
Retention clip