Best known are Disk Manager and EZ-Drive . Use the uninstall that came with the driver. You will normally have to repartition and reformat the disks. Partition Magic will not help. Bus Mastering drivers are often not compatible with drives that are using a Translation driver.
Older utilities can sometimes cause data loss.
Your current Translation driver is customized for that manufacturer's drive only - stay with his model. However you should verify that each operating system you install is capable of handling your driver. Non-standard OSs may be a problem. Win9x is fine. Most often everything is fine.