User`s manual
RS-400-SF User’s Manual 
31
2.9 CPU Installation   
The SMB-2501 provides an mPGA 478 socket for an Intel
® 
Pentium® 4/ Celeron Processor. The CPU on the board must 
have a fan or heat sink attached, to prevent overheating. 
Warning: Without a fan or heat sink, the CPU will overheat 
and cause damage to both the CPU and the 
motherboard. 
To install a CPU, first turn off your system. 
Locate the processor socket 478. 
Retention Module










