Toshiba Tecra R850 - Manual (Page 86)

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)
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.
Do not perform any of the following actions:
Change users in the Operating Systems.
Operate the computer for any other function, including such tasks
as using a mouse or Touch Pad, or closing/opening the display
panel.
Start a communication application such as a modem.
Apply impact or vibration to the computer.
Install, remove or connect external devices, including such items
as an ExpressCard, memory media card, USB device, external
monitor or an optical digital device.
Use the audio/video control button to reproduce music or voice.
Open the optical disc drive.
Do not use shut down, log off, Sleep Mode or Hibernation Mode
functions while writing or rewriting.
Make sure that the write/rewrite operation is completed before going
into either Sleep Mode or Hibernation Mode (You can remove an
optical media on the optical disc drive after writing is completed).
R850/R840/R830
User's Manual 3-21