Asus SK8V - Manual (Page 30)

2-8 Chapter 2: Hardware information
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.
2.3.3 Installing the heatsink and fan
The AMD Athlon™ 64 FX and AMD Opteron™ processors require a
specially designed heatsink and fan assembly to ensure optimum thermal
condition and performance.
Follow these steps to install the CPU heatsink and fan.
1. Place the heatsink on top of the installed CPU, making sure that the
heatsink fits properly on the retention module base.
Retention Module Base
CPU Heatsink
CPU Fan
Retention bracket lock Retention bracket
Make sure that you use only qualified heatsink and fan assembly.
1. The retention module base is already installed on the motherboard
upon purchase.
2. You do not have to remove the retention module base when
installing the CPU or installing other motherboard components.