IBM 48X - Manual (Page 18)

4. CD-RW media is also rated by write-speed. The IBM 48X/32X/48X Max
CD-RW drive supports writing only CD-RW discs rated at 4x or higher. The
maximum write speed will be printed on the media packaging or the disc itself.
5. The following table shows the compatibility matrix for ultra, high, and
low-speed CD-RW media:
Media Rating Write
No rating, 2x Not supported
Multispeed, 1x2x4x, 4x, 1x-4x Yes
High Speed, 4x-10x, 4x-12x, 8-10x Yes
Ultra Speed, 16x-24x, 32x Yes
Handling and caring for a CD
CDs are high-density media that must be handled with care and kept clean to
ensure that they remain readable. These precautions will help to prolong the life of
your CDs.
Attention: Wiping a CD using a circular motion might cause loss of data.
Attention: Do not use CDs that have cracks.
v Handle the CD by the edges or by the center hole. Do not touch the surface of
the CD.
v To remove dust or fingerprints, wipe the CD from the center to the edge with a
soft, lint-free cloth.
v Do not write on the surface.
8 48X/32X/48X Max CD-RW Drive: User’s Guide