mcz22,

These are procs validate in your PC -
DD520 Prescott P4 64bit, 571, 3.8GB, 800FSB, 1MB
DK594 Cedar Mill P4, 661, 3.6GB, 800FSB, 2MB, C1
JD245 Prescott P4 64bit, 561, 3.6GB, 800FSB, 1MB
GD037 Prescott P4 64bit, 551, 3.4GB, 800FSB, 1MB
GR272 Prescott P4, 650, 3.4GB, 800FSB, 2MB, R0