Hmm. So you're using the Partition tab in Disk Utility, and you're selecting GPT in the Options dialog, and you set one partition to be FAT and the other to be HFS+ (so that neither is unformatted ...
I have a 160G Maxtor that I want to be my master drive. I installed XP on it but it would only let me choose NTFS. I want to use Fat32 to make it conpatable with the old master that will now become ...