Optical Device Drives - Toshiba Tecra A5 Maintenance Manual

1.4 Optical device Drives

1.4 Optical device Drives
1.4.1 DVD-ROM & CD-RW
The DVD-ROM and CD-RW drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs. At
maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write
CD-R at 24x speed and CD-RW at 4x speed or High speed CD-RW at 10X or Ultra speed CD-
RW at 24X speed.
The specifications of the DVD-ROM & CD-RW drive are listed in Table 1-2.
Item
Data transfer rate (Mbytes/s)
Access time (ms)
Average random access
Data buffer size (Mbytes)
Formats supported
Table 1-2
Tecra A5 Series Maintenance Manual
DVD-ROM mode
33.3 (U-DMA transfer mode 2)
16.6 (PIO mode 4, Multiword DMA mode 2)
180
DVD:
DVD-VIDEO, DVD-ROM, DVD-R (3.9G, 4.7G), DVD-RW
(Ver.1.1), DVD-RAM, DVD+R, DVD+RW, DVD+R DL.
CD:
CD-DA, CD-ROM, CD-R, CD-RW, CD-ROMXA,
PhotoCD (multi-session), Video CD, CD-Extra (CD+), CD-Text
DVD-ROM & CD-RW drive specifications
1 Hardware Overview
CD-ROM mode
150
2MB
[CONFIDENTIAL]
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