Nvidia 754 - Manual (Page 18)

Installation
Page 3-2
Step 2
Align pin 1 on the CPU with pin 1 on
the CPU socket and gently insert the
CPU. The CPU is keyed to prevent
incorrect insertion. Do not force the
processor into the socket. If it does not
go in easily, check for mis-orientation
and reinsert the CPU.
Make sure the processor is fully
inserted into the socket.
<Figure 2>
Easy Installation Procedure
The following must be completed before powering on your new system:
3-1. CPU Installation
3-2. Jumper Settings
3-3. System Memory
3-4. VGA Card Installation
3-5. Device Connectors
3-1 CPU Installation
Step 1
Open the socket by raising the actuation
lever.
<Figure 1>
Note:
Thermal compound and qualified heatsink recommended by
AMD are a must to avoid CPU overheat damage
.