ECS L4S5A User Manual page 16

CPU Installation Procedure
The following illustration shows CPU installation components:
Note: The pin -1 corner is marked with an arrow
Follow these instructions to install the CPU:
1. Install and secure the Retention Module on the mainboard.
2. Pull the CPU socket locking lever away from the socket to unhook it and raise
the locking lever to the upright position.
3. Match the corner on the
CPU marked with an arrow
with pin-1 on the CPU
socket (the corner with the
pinhole noticeably missing).
Insert the processor into the
socket. Do not use force.
4. Lower the heatsink over the CPU.
5. Lower the CPU cooling fan onto the heatsink.
6. Apply thermal grease to the top of the CPU.
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