Well I was going to say you could search the Sony website for specs but I could not find any reference to your drive there. Plenty of references at places wanting to sell it though.
There should have been a user manual supplied with the system.. right?
Here is the nearest thing I could find to specs:
QUOTE
Newbie Review by Ralph Machio Newbie Product Reviewer:
The Sony DW-D22A (dwd22a) DVD±RW Dual Layer Burner features include: Dual Layer DVD+R stores up to 8.5GB, 2.4X DVD+R Dual Layer, 16X DVD+R, 4X DVD+RW, 8X DVD-R, 4X DVD-RW, 48X CD-R, 24X CD-RW, 16X DVD-ROM, IDE Internal, and comes in Beige Color. Single layer DVD+R discs can now be burned at up to 16X speed, burning an entire disc in about 5 minutes. Double Layer DVD+R DL discs can also be burned, giving you up to 4 hours of MPEG-2 video or up to 8.5GB of data storage space on a single disc.