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System dma specifications – HP PAVILION DV8 User Manual

Page 105

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Specifications

Maintenance and Service Guide

6–3

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.