Thanks for your reply.
I was using 2.5.6.0. I upgraded to 2.5.7.0 and got the same results.
Disk Info
PHILIPS CDRW/DVD SCB5265 TX03 (ATA)
Current Profile: DVD-ROM
Disc Information:
Status: Complete
State of Last Session: Complete
Erasable: No
Sessions: 1
Sectors: 1,590,291
Size: 3,256,915,968 bytes
Time: 353:25:66 (MM:SS:FF)
Supported Read Speeds: 882, 1x, 3.1x
Current Read Speed: 1.3x - 3.1x
TOC Information:
Session 1... (LBA: 0)
-> Track 01 (Mode 1, LBA: 0 - 1590290)
-> LeadOut (LBA: 1590291)
Track Information:
Session 1...
-> Track 01 (LTSA: -150, LTS: 1590291, LRA: 0)
Physical Format Information (Last Recorded):
Book Type: DVD-ROM
Part Version: 1
Disc Size: 120mm
Maximum Read Rate: 10.08Mbps
Number of Layers: 1
Track Path: Parallel Track Path (PTP)
Linear Density: 0.267 um/bit
Track Density: 0.74 um/track
First Physical Sector of Data Area: 196,608
Last Physical Sector of Data Area: 1,786,898
Last Physical Sector in Layer 0: 0