Memory and Processor Error After memory upgrade

HI

I have one R710 with 2 x4 GB memory . I upgraded that to 6 X4GB .Now total memory is 24GB  with two CPU.

After that server gives memory and processor errors randomly 

DIMM_A1     DDR3 - Synchronous Registered (Buffered)    4096 MB    
DIMM_A2     DDR3 - Synchronous Registered (Buffered)    4096 MB    
DIMM_A3     DDR3 - Synchronous Registered (Buffered)    4096 MB    
DIMM_A4     [Not Occupied]        
DIMM_A5     [Not Occupied]        
DIMM_A6     [Not Occupied]        
DIMM_A7     [Not Occupied]        
DIMM_A8     [Not Occupied]        
DIMM_A9     [Not Occupied]        
DIMM_B1     DDR3 - Synchronous Registered (Buffered)    4096 MB    
DIMM_B2     DDR3 - Synchronous Registered (Buffered)    4096 MB    
DIMM_B3     DDR3 - Synchronous Registered (Buffered)    4096 MB    
DIMM_B4     [Not Occupied]        
DIMM_B5     [Not Occupied]        
DIMM_B6     [Not Occupied]        
DIMM_B7     [Not Occupied]        
DIMM_B8     [Not Occupied]        
DIMM_B9     [Not Occupied]        
     Now i am getting processor 1 ierr. My bios version is 6.4.0 and two CPU (Intel(R) Xeon(R) CPU E5620 @ 2.40GHz)

Thanks in Advance.