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Specifications 6–5
Blu-ray ROM DVD±RW SuperMulti DL Drive specifications
System DMA specifications
Applicable disc Read: Write:
BD-ROM, BD-ROM-DL, BD-R,
BD-R-DL, BD-RE, BD-RE-DL,
DVD-ROM, DVD+R,
DVD+R-DL, DVD+RW, DVD-R,
DVD-R-DL, DVD-RW,
DVD-RAM (Ver.2), CD-DA,
CD-ROM (mode 1 and
mode 2), CD-ROM XA
(mode 2, form 1 and form 2),
Photo CD (single and multiple
sessions), CD Extra, CD-R,
CD-RW, and CD-TEXT
DVD-RAM (Ver.2), DVD+R,
DVD-R, CD-R, and CD-ROM
Access time BD DVD
Random < 230 ms < 180 ms
Cache buffer 4.5 MB
Data transfer rate
2X BD-RAM 9 MB/sec
8X DVD 2,400 KB/sec
16X CD-R 2,400 KB/sec
16X CD-RW 2,400 KB/sec
Hardware DMA System function
DMA0 Not applicable
DMA1* Not applicable
DMA2* Not applicable
DMA3 Not applicable
DMA4 Direct memory access controller
DMA5* Not applicable
DMA6 Not assigned
DMA7 Not assigned
*ExpressCard controller can use DMA 1, 2, or 5.