Formatting a hard drive along with the install of a new OS is the best option. The vast majority of operating system installations provide a "format" option as part of the installation process.
In Knowledge Base article #107285, Apple notes that Mac OS 9 disk drivers are required after reformatting a disk. Otherwise, the Startup Disk preference pane in Mac ...
This CNET TV video gives you step-by-step instructions on how to set up your external hard drive so it can be used on a Windows machine and on your Mac. Joe is a seasoned Mac veteran with years of ...