Toshiba Qosmio G20 (PQG21) - Manual (Page 54)

2-16 User’s Manual
The Grand Tour
DVDs
■ DVD-R and DVD+R discs can be written only once. The recorded data
cannot be erased or changed.
■ DVD-RW, DVD+RW and DVD-RAM discs can be recorded more than
once.
Formats
The drives support the following formats:
DVD Super Multi drive Double Layer (UJ846)
The full-size DVD Super Multi drive module lets you record data to
rewritable CDs as well as run either 12 cm (4.72") CD/DVDs without using
an adaptor.
■ DVD-ROM
■ CD-DA
■ Photo CD TM
(single/multi-session)
■ CD-ROM XA Mode 2
(Form1, Form2)
■ DVD -Video
■ CD-Text
■ CD-ROM Mode 1, Mode 2
■ Enhanced CD (CD-EXTRA)
■ Addressing Method 2
The read speed is slower at the center of a disc and faster at the outer
edge.
DVD read 8 speed (maximum)
DVD-R write 8 speed (maximum)
DVD-RW write 4 speed (maximum)
DVD+R write 8 speed (maximum)
DVD+RW write 4 speed (maximum)
DVD-RAM write 5 speed (maximum)
CD read 24 speed (maximum)
CD-R write 24 speed (maximum)
CD-RW write 10 speed (maximum, Ultra-speed media)
DVD+R DL 2.4 speed (maximum)
DVD-R DL 2 speed (maximum)