I have just bought a Toshiba 1.5TB Canvio portable hard drive. It needs sto be formatted for Mac (OS10.5). I was told to go to disk utility, format using FAT32.
In disk utility - erase there is an option MS_DOS(FAT). Is this what I use?
... It needs sto be formatted for Mac ...
Usually if you are Only intend to use it with a Mac it should be Formatted Mac OS Extended (journaled)
More Info here on Formats > http://pondini.org/OSX/DU8.html
To Format the Drive using Disc Utility... See Here...
From Pondinis Excellent Information here...