Hardware Reference
In-Depth Information
• Get Nero AG Software's InCD Reader from the support section of
www.nero.com
.
After the UDF driver is installed, you do not need to take any special steps to read a UDF-formatted
disc. The driver will be in the background waiting for you to insert a UDF-formatted disc.
If you are unable to read a disc written with UDF on another system, return it to the original system
and close the media. This option is usually displayed as part of the Eject Settings dialog box. Closing
the disc converts the filenames to Joliet format and causes them to be truncated to 64 characters.
You can download the latest (revision 2.60) version of the Universal Disk Format specification from
the OSTA website at
www.osta.org/specs/index.htm
.
Tip
UDF discs can become unreadable for a variety of reasons, including incompatible UDF
reader installed, disc not closed before removal of drive, table of contents not written due to
system lockup, and so on. To recover data from UDF discs, try CD Roller (available from
www.cdroller.com
). It supports the most commonly used UDF versions (v1.02 through 2.01,
and UDF Bridge) and also works with optical discs created by digital cameras, DVD
recorders, and DVD-based camcorders. Another optical disc recovery program to consider is
IsoBuster (
www.isobuster.com
)
. IsoBuster also works with BD formats.
Macintosh HFS
HFS is the file system used by the Macintosh OS. HFS can also be used on optical discs; however, if
that is done, they will not be readable on a PC. A hybrid disc can be produced with both Joliet and
HFS or ISO 9660 and HFS file systems, and the disc would then be readable on both PCs and Macs.
In that case, the system will see only the disc that is compatible, which is ISO 9660 or Joliet in the
case of PCs.
Rock Ridge
The Rock Ridge Interchange Protocol (RRIP) was developed by an industry consortium called the
Rock Ridge Group. It was officially released in 1994 by the IEEE CD-ROM File System Format
Working Group and specifies an extension to the ISO 9660 standard for CD-ROM that enables the
recording of additional information to support UNIX/POSIX file system features. Neither DOS nor
Windows includes support for the Rock Ridge extensions. However, because it is based on ISO
9660, the files are still readable on a PC and the RRIP extensions are simply ignored.
Note
An interesting bit of trivia is that the Rock Ridge name was taken from the fictional Western
town in the movie Blazing Saddles.
Mount Rainier
Mount Rainier is a rewritable optical standard developed by Philips, Sony, Microsoft, and HP
(Compaq). Also called EasyWrite (see
Figure 11.18
), Mount Rainier was designed to enable native
OS support for data storage on rewritable optical discs.
