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Specifications
Maintenance and Service Guide 6–5
DVD-ROM Drive specifications
System DMA specifications
Applicable disc Read: Write:
CD-DA, CD+(E)G, CD-MIDI,
CD-TEXT, CD-ROM,
CD-ROM XA,
MIXED MODE CD, CD-I,
CD-I Bridge (Photo-CD,
Video CD), Multisession CD
(Photo-CD, CDEXTRA,
Portfolio, CD-R, CD-RW), CDR,
CD-RW, DVD-ROM (DVD-5,
DVD-9, DVD-10, DVD-18),
DVD-R, DVD-RW, DVD+R,
DVD+RW, DVD-RAM
CD-R and CD-RW
Access time CD DVD
Random < 110 ms < 130 ms
Cache buffer 2 MB
Data transfer rate
24X CD-ROM 3,600 KB/sec
8X DVD 10,800 KB/sec
24X CD-R 3,600 KB/sec
24X CD-RW 3,600 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.