I AM NOT FAMILIAR WITH YOUR MOBO OR CHIP BUT I DID HAVE A SIMILAR PROBLEM WITH A SOYO 5EHM. EVEN AFTER INSTALLING DRIVERS FROM CD ROM SUPPLIED WITH MOBO, MY A DRIVE WOULD LOCK. I EXPLORED THE CD ROM AND FOUND A "SETUP .EXE" PROGRAM THAT IS SUPPOSE TO MAKE USE OF THE BUS MASTERING. NOT SURE WHAT IT ALL MEANS BUT MY FLOPPY DRIVE HAS BEEN FINE SINCE. HOPE THIS HELPS IN SOME WAY. HAVE FUN. CHUCK PCBUILD maintains many useful files for download on our web site - visit our download page at: http://nospin.com/pc/files.html