How do I test my computers RAM for faults?

My computer has been plauged by rather frequent BSODs since my motherboard re-installation. The error has been identified as:
0x0000004E PFN_LIST_CORRUPT
The parameters of the BSODs match a description at Microsoft.com for bad memory, and as such I need to test my RAM for faults.
Can anyone tell me how?
0x0000004E PFN_LIST_CORRUPT
The parameters of the BSODs match a description at Microsoft.com for bad memory, and as such I need to test my RAM for faults.

Can anyone tell me how?