HP Pavilion HDX9309TX HP Pavilion HDX Entertainmet Series Notebook PC - Mainte - Page 98

System DMA specifications, Digital Audio Extraction

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

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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