Asus AP120-E1 - Manual (Page 22)

Chapter 2: Hardware setup 2-6
2.4.2 CPU installation
Follow these steps to install a CPU.
1. Locate the 478-pin ZIF socket on
the motherboard.
Socket Lever 90 - 100
Make sure that the socket lever
is lifted up to 90°-100° angle,
otherwise the CPU does not fit
in completely.
2. Unlock the socket by pressing the
lever sideways, then lift it up to a
90°-100° angle.
3. Position the CPU above the socket
such that its marked corner
matches the base of the socket
lever.
4. Carefully insert the CPU into the
socket until it fits in place.
The CPU fits only in one correct
orientation. DO NOT force the
CPU into the socket to prevent
bending the pins and damaging
the CPU!
Gold Mark
5. When the CPU is in place, push
down the socket lever to secure the
CPU. The lever clicks on the side
tab to indicate that it is locked.