Asus P9D-E/4L - Manual (Page 29)

ASUS P9D-E/4L 2-9
Do not remove the PnP cap yet from
the CPU socket. Doing so may bend
the pins of the socket.
Retention tab
Load lever
2. Press the load lever with your thumb
(A), then move it to the right (B) until it is
released from the retention tab.
3. Lift the load lever until the load plate is
completely lifted.
Load plate
4. Position the CPU above the socket,
ensuring that the gold triangle mark is
on the bottom-left corner of the socket,
then fit the CPU notches to the socket's
alignment keys.
The CPU fits in only one orientation.
DO NOT force the CPU into the
socket to prevent bending the pins on
the socket and damaging the CPU.
Gold
triangle
mark
CPU notches
Alignment
key
Alignment
key