Reference scanning velocity
1.2 m/s (CD)
3.49 m/s (DVD SL)
3.84 m/s (DVD DL)
6.61 m/s (HD-DVD)
Track pitch
1.6µm (CD)/0.74µm (DVD)/0.4µm (HD-
DVD)
Access time Random Full stroke
CD < 150 MS < 230 ms
DVD < 160 ms < 250 ms
HD-DVD < 330 ms < 515 ms
Digital Audio Extraction
12X Max
Cache buffer
2 MB (Minimum)
Data transfer rate
CD-ROM and CD-R 3600 KB/sec
DVD-ROM 10800 KB/sec
16X CD-R Write 2400KB/sec
10X CD-RW Write 1500 KB/sec
4X DVD+R Write 5400 KB/sec
4X DVD+RW Write 5400 KB/sec
4X DVD-R Write 5400 KB/sec
4X DVD-RW Write 5400 KB/sec
2.4X DVD+R DL Write 3240KB/sec
3X DVD-RAM Write 4050 KB/sec
1X HD-DVD Read 4460 KB/sec
Bus Rate
16.6 MB/s with DMA support
Startup time
< 11 sec
Stop time
< 6 sec
System DMA specifications
Hardware DMA System function
DMA0 Not applicable
DMA1* Not applicable
DMA2* Not applicable
DMA3 Not applicable
DMA4 Direct memory access controller
System DMA specifications 91
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