Your new memory are RDIMMS as apposed to UDIMMS.  [URL] Your processor Intel Core I3 530(or 540) does not support RDIMMS.. Only the Xeon Processors on the T310(and R310) support RDIMMS. For more information, see this similar thread on the R310 (same memory and limitation as the T310). [URL]   
Hi guys, i am going through a nightmare trying to upgrade my server with new RAM. Currently installed RAM :  [IMAGE] I cannot use this one (that should normally work), the computer does not want to start when this one is use (only one, both of them, or mixed with the older one... ) : [IMAGE] Any idea please ? thank you very much
PowerEdge T310 RAM upgrade