Posted 01 March 2011 - 05:12 PM
First thing is backup your data before you do anything. Usually replacing motherboards without a clean install concerns me but since it is from the same chipset line and everything else remains the same you should be alright.
Since it was a mirrored set and everything is running fine I would just recreate the mirror. Install the RAID driver from the CD that came with the motherboard. The restart the computer and enter the BIOS. Enable the RAID. Then create your Mirror again using the RAID utility. It really should be no different than breaking and re-creating a mirror which is in essence what you will be doing.
Get your facts first, then you can distort them as you please.