Speed fan shows this
Scanning SMBus at $0400...
Decoding DIMM #0
Memory type is DDR
Module Rows : 2
Levels : 2.5V
Parity : NO PARITY
Refresh Rate : 7.8us
Total Size : 512MB
Decoding DIMM #3
Memory type is DDR
Module Rows : 1
Levels : 2.5V
Parity : NO PARITY
Refresh Rate : 7.8us
Total Size : 512MB
Southbrige is VIA® 8237