The Medium panel displays information about the physical and logical characteristics of the disc currently mounted in the device selected. Summary information of the disc type and track and session totals is shown here, as well as the total used and free space, Universal Product Code (UPC), and whether the copy protection field is on. Details concerning sessions and tracks are shown by clicking on the "+" next to the disc and then clicking on the desired session.

Medium information includes the following.

• CD type and whether the disc is re-writable. CD type can be one of the following:

• CD-DA

• CD-ROM

• CD-XA

• CD-I

• DVD type and weather the disc is re-writable. DVD type can be one of the following:

• DVD-ROM

• Total number of sessions/borders on the disc

• Total number of tracks/zones on the disc

• The UPC (Universal Product Code), if present

• The next writable address of an open disc

• The disc manufacturer ID number

• Maximum write speed supported

• Logical number of the first session/border on the disc

• Logical number of the first track/zone on the disc

• Whether the disc is copy protected

• The total size of the disc

• The available space on the disc

All session/border, track/zone, and index addresses and sizes are shown in MSF (Minute, Second, Frame) format where a frame is a 1/75th of a second or in LBA (Logical Block Address) where 0 is the beginning of index 1 of the first track on the disc. The colors of the times displayed indicate the same level in the Device Explorer hierarchy.