Optional DVD-RAM Drive
As an option, the Power Mac G4 computer has an internal 2x-speed DVD-RAM drive in place of the DVD-ROM drive. The DVD-RAM drive supports the following disc formats.
- Reading and writing:
- DVD-RAM media in Type 1 cartridge, one- or two-sided
- DVD-RAM media in Type 2 catridge, one sided
- Reading only:
- DVD-RAM bare one-sided disc, reading only
- DVD-R (3.9 GB, disc-at-once only)
- DVD-ROM (One- or two-layer, one- or two-sided)
- CD-ROM (Modes 1 and 2)
- CD-ROM XA (Mode 2, Forms 1 and 2)
- CD-Audio (CD-DA data through IDE bus)
- Photo CD (single and multiple sessions)
- CD-RW
- CD-R (fixed and variable packets)
- CD-I (Mode 2, Forms 1 and 2), CD-I Ready, CD-I Bridge
- Video CD (White Book disc)
- CD-EXTRA CD (Blue Book disc)
The DVD-RAM drive takes the place of the DVD-ROM drive and is connected in the same way: as device 0 in an ATA Device 0/1 configuration on the ATA-3 channel of the main logic board. To provide improved signal quality, the ATA bus has an 80-conductor cable with ground lines separating the signals.
© 1999-2000 Apple Computer, Inc. (Last Updated 04 Feb 00)