Asus KFSN4-DRE/SAS - Manual (Page 31)

ASUS KFSN4-DRE Series 2-11
The CPU fits in only one correct orientation. DO NOT force the CPU into the
socket to prevent bending the connectors on the socket and damaging the CPU!
6. Close the load plate (A), then push
the load lever (B) until it snaps into
the retention tab.
A
B