Toshiba Qosmio G40 - Manual (Page 86)

4-20 User’s Manual
Qosmio G40
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If the disc is poor in quality, or is dirty or damaged, writing or rewriting
errors may be noted - ensure that you check all discs for dirt or damage
before you use them.
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The actual number of rewrites to CD-RW, DVD-RW, DVD+RW or
DVD-RAM media will be affected by the quality of the disc itself and the
way in which it is used.
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There are two types of DVD-R media available, authoring discs and
general use discs. Do not attempt to use authoring discs as only
general use discs can be written to by a computer drive.
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You can use both DVD-RAM discs that can be removed from a cartridge
and DVD-RAM discs designed without a cartridge.
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You may find that other computer DVD-ROM drives or other DVD
players may not be able to read DVD-R, DVD-R (Dual Layer), DVD-RW,
DVD+R, DVD+R (Double Layer), DVD+RW or HD DVD-R discs.
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Data written to a CD-R, DVD-R, DVD-R (Dual Layer), DVD+R, DVD+R
(Double Layer) or HD DVD-R discs cannot be deleted either in whole or
in part.
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Data deleted/erased from a CD-RW, DVD-RW, DVD+RW, DVD-RAM or
HD DVD-R disc cannot be recovered. You must check the content of
the disc carefully before you delete it, taking care that, if multiple drives
that can write data to discs are connected, you do not delete data from
the wrong one.
DVD-RAM:
DVD Specifications for DVD-RAM Disc for Version 2.0, Version 2.1
or Version 2.2
Matsushita Electric Industrial Co., Ltd.
Hitachi Maxell Ltd.
HD DVD-R (Single Layer):
MITSUBISHI CHEMICAL CORPORATION (Verbatim)
Hitachi Maxell Ltd.
HD DVD-R: (Dual Layer)
MITSUBISHI CHEMICAL CORPORATION (Verbatim)
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This drive cannot use discs that allow writing faster than 16x speed
(DVD-R and DVD+R media), 6x speed (DVD-RW media),
8x (DVD+RW media), 5x speed (DVD-RAM media), 4x speed (DVD-R
(Dual Layer) media) and 8x speed (DVD+R (Double Layer media).
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Some types and formats of DVD-R (Dual Layer) and DVD+R (Double
Layer) discs may be unreadable.
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2.6GB and 5.2GB DVD-RAM media cannot be read from or written to.
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DISC created in DVD-R (Dual Layer) format4 (Layer Jump Recording)
cannot be read.