In order to answer that question, you need to supply configuration information.
Is this drive in the linux box? If it is on the linux system, how is it connected? ( IDE, SCSI, external USB ).
Is this drive on a windoze only system? How are you connected to this system?
What file system is on the drive? ( fat 32 or ntfs ).
How do you want to use it? ( Read only or read and write ).
Post back, and we can provide some direction.