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6–4 Maintenance and Service Guide
Specifications
DVD±RW and CD-RW SuperMulti Double-Layer Drive and DVD±RW and
CD-RW SuperMulti Double-Layer Drive with LightScribe specifications
System DMA specifications
Applicable disc Read: Write:
CD-ROM, CD-R, CD-RW, High
Speed CD-RW, Ultra & Ultra+
Speed CD-RW, DVD,
DVD±R/RW, DVD±R,
DVD-RAM
DVD-RAM (Ver.2), DVD±R,
DVD±RW, DVD±Dual, CD-R,
and CD-RW
Access time CD DVD
Random < 130 ms < 150 ms
Cache buffer 2 MB
Data transfer rate
5X DVD-RAM 6,750 KB/sec
8X DVD±RW 10,800 KB/sec
8X DVD±R 10,800 KB/sec
16X CD-R 3,600 KB/sec
16X CD-RW (High Speed) 1,500 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
*PC Card controller can use DMA 1, 2, or 5.