Removing a non-DOS partion

Hi, experts being the beginner that i am i need to know how to remove a non-DOS partion on a used hdd that i recently bought.I have no idea what OS is installed on it but i would like to re partion it and format it to DOS. The bios recognises it but DOS doesn't therefore does not have a drive letter assigned to it. Hope someone can suggest what to do or what utilities to use.   Thanx
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This is rather straightforward. You need to use the DOS utility called FDISK.

From what you've said it appears that you can be running DOS while the drive is attached. Most likely it is the second hard drive. Boot to DOS, then enter FDISK. Tell FDISK to pay attention to the second drive (or the appriopriate one for your system). Then tell FDISK which partition you want deleted (probably the first non-DOS partition). Now tell FDISK that you want to use that space to create a DOS partition. If you plan never to boot to the drive you can create an extended partition. If you plan to make the drive bootable, then create a primary partition. Once the partition is created, it will have a drive letter after you reboot. You'll have to format it next before you can really use it.

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