HP Compaq Presario,Presario 5116 Quick Start Manual page 141

DirectCD provides a file
system based on UDF v1.5
and writes data to a CD-R or
CD-RW using packet writing
technology. This file system
gives you drive letter access
to your CD-RW drive.
Note: If your computer system has more than one CD-RW drive, the drive
information window is displayed. Select the drive you want to format and
click Next. This window displays information about your CD-R drive:
•
The Device section of the window lists the model number of your drive and
indicates if it is locked or unlocked.
•
Click the Properties button to view more detailed information about the
drive.
•
The Media Type section of the window lists information about the type of CD
in the drive and how you can use it.
Note: DirectCD uses two new technologies called packet writing and
Universal Disk Format (UDF). DirectCD gives you the ability to add data
incrementally to a disc in small or large quantities. Data is written to a disc in
small packets. It is possible to record even a single file at a time. There is no
arbitrary limit to the number of packets that can be written to a CD-R/CD-RW
disc.
UDF (Universal Disk Format) is a new file system that is used on optical
media (such as CD and DVD) and other media. UDF has several advantages
over the ISO 9660 file system used by standard CD-ROMs. UDF is designed
to take advantage of packet writing and is accepted and approved as the
industry standard by all major players in compact disc storage.