Difference of MSI compiled 5.03 and official 5.10 is
newer agp driver and PCI system management in 5.10.
SATA/IDE drivers , ETh-network drivers is the same .
(if i remember it correctly)
There is not neccesary to uninstall , just run 5.10 setup over the 5.03 .
Actually it can sometimes be useful , cause you can use "driver rollback" in
device manager .
You say it works ! Did you roll the parallell ide controller where you had optical
drives back to MS drivers (standard) ?