Toshiba Satellite P845 - Manual (Page 54)

DVD-RW:
DVD Specifications for Recordable Disc for Version 1.1 or version
1.2
Victor Company of Japan, Ltd. (JVC) (for 2x, 4x and 6x speed media)
MITSUBISHI KAGAKU MEDIA CO., LTD. (for 2x, 4x and 6x speed
media)
DVD+RW:
MITSUBISHI KAGAKU MEDIA CO., LTD. (for 4x and 8x speed media)
DVD-RAM: (DVD Super Multi drive only)
DVD Specifications for DVD-RAM Disc for Version 2.0, Version 2.1 or
Version 2.2
Panasonic Corporation (for 3x and 5x speed media)
Hitachi Maxell, Ltd. (for 3x and 5x speed media)
BD-R:
Panasonic Corporation
BD-R DL:
Panasonic Corporation
BD-RE:
Panasonic Corporation
BD-RE DL:
Panasonic Corporation
Some types and formats of DVD-R DL and DVD+R DL discs may be
unreadable.
Disc created in DVD-R DL format4 (Layer Jump Recording) cannot be
read.
When writing or rewriting
Please observe the following points while you write or rewrite data to a
media:
Always copy data from the hard disk drive to the optical media - do not
use the cut-and-paste function as the original data will be lost if there
is a write error.
User's Manual 3-17