What is packet writing (a/k/a DLA – Drive Letter Access)?page up: CD-Recordable FAQnext page: 6-3-2] Do I want to do packet writing?
(2003/12/21) UDF is an acronym for the humbly-named “Universal Disk Format”. It’s a specification for a filesystem intended for use on write-once and rewritable media. It’s currently being used for DVD and some of the CD-R/CD-RW packet writing software (e.g. Roxio DirectCD). There have been four important releases of the specification: – 1.02: first release; primarily useful for read-only media like DVD-ROM. – 1.5: includes defect management, useful for CD-R and CD-RW. – 2.0: adds support for Stream Files, Access Control Lists, and power calibration. – 2.01: adds support for Real Time Files. – 2.5: adds Metadata Partition. MacOS 8.1 and Win98 support UDF v1.02. Windows XP supports 1.02, 1.5, and 2.01. To read UDF-format packet-written CD-R and CD-RW discs, you need UDF v1.5 support. Roxio has made free UDF 1.5 drivers available for Mac and Windows on their web site (check there for a list of supported CD-ROM drives). Also, if you insert a disc formatted with DirectCD v3.0 or later into
