MATSONIC MS9017C User Manual page 22

This mainboard has an mPGA478B socket. When choosing a
processor, consider the performance requirements of the
system. Performance is based on the processor design, the
clock speed and system bus frequency of the processor, and
the quantity of internal cache memory and external cache
memory.
CPU Installation Procedure
The following illustration shows CPU installation components:
CPU fan
Retention m odules
Pin-1 corner
m PGA478B Socket
Note: The pin-1 corner is marked with an arrow
Locking lever
16