IBM 10K0001 - Manual (Page 19)

setting up to four times after setting the initial region code. After the region
code has been changed from its initial setting four times, it is fixed and can no
longer be changed. To change the region code, an encrypted DVD of the new
region must be in the DVD-ROM drive.
To display the region code status, follow these instructions:
1. In the DVD Express windows, click DVD Options.
2. Click DVD Region.
Care and maintenance
This section includes information on taking care of your DVD-ROM drive and
the CDs and DVDs that you use with the drive.
Caring for a CD or DVD
Digital discs are high-density media that must be handled with care and kept
clean to ensure that they remain readable. The following precautions help to
prolong the life of your discs.
Attention: Wiping a disc using a circular motion can damage the disc and
cause data loss.
v Handle the disc by the edges or the center hole. Do not touch the surface of
the disc.
v To remove dust or fingerprints, wipe the disc from the center to the edge
with a soft, lint-free cloth.
v Do not write on the surface.
v Do not place the disc in direct sunlight.
v Do not use commercial cleaners to clean the disc.
v Do not bend the disc.
Caring for the DVD-ROM drive
To protect your DVD-ROM drive during operation, observe the following
precautions:
v Do not move the drive when it is in use. Doing so might cause data error or
damage the drive.
v Avoid exposing the drive to the following conditions:
– High humidity
– High temperature
– Excessive dust
– Mechanical vibration
– Sudden shock or dropping
– Placement on an inclined surface
– Direct sunlight
– Sudden temperature changes
Installation and user’s guide 1-11