there should be more than that ??
Optiarc DVD RW AD-7200A 1.06 (SCSI)
Current Profile: DVD-ROM
Disc Information:
Status: Complete
Erasable: No
Sessions: 1
Sectors: 4.133.424
Size: 8.465.252.352 bytes
Time: 918:34:24 (MM:SS:FF)
TOC Information:
Session 1... (LBA: 0)
-> Track 01 (Mode 1, LBA: 0 - 4133423)
-> LeadOut (LBA: 4133424)
Track Information:
Session 1...
-> Track 01 (LTSA: 0, TS: 4133424, LRA: 0)
Physical Format Information (Last Recorded - L0):
Book Type: DVD-ROM
Part Version: 1
Disc Size: 120mm
Maximum Read Rate: 10.08Mbps
Number of Layers: 2
Track Path: Opposite Track Path (OTP)
Linear Density: 0.293 um/bit
Track Density: 0.74 um/track
First Physical Sector of Data Area: 196.608
Last Physical Sector of Data Area: 16.557.487
Last Physical Sector in Layer 0: 2.274.879
Physical Format Information (Last Recorded - L1):
Book Type: DVD-ROM
Part Version: 1
Disc Size: 120mm
Maximum Read Rate: 10.08Mbps
Number of Layers: 2
Track Path: Opposite Track Path (OTP)
Linear Density: 0.293 um/bit
Track Density: 0.74 um/track
First Physical Sector of Data Area: 196.608
Last Physical Sector of Data Area: 16.557.487
Last Physical Sector in Layer 0: 2.274.879
Layer Information:
Layer 0 Sectors: 2.078.272 (50,28%)
Layer 1 Sectors: 2.055.152 (49,72%)