Specifications

Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive 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-system memory (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-system memory (Ver.2), DVD+R, DVD-R, CD-R, and CD-RW

Access time

BD

DVD

 

 

 

Random

< 230 ms

< 180 ms

 

 

 

Cache buffer

4.5 MB

 

 

 

 

Data transfer rate

 

 

 

 

 

2X BD-system memory

9 MB/sec

 

 

 

 

8X DVD

2,400 KB/sec

 

 

 

 

16X CD-R

2,400 KB/sec

 

 

 

 

16X CD-RW

2,400 KB/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

 

 

DMA5*

Available for PC Card

 

 

DMA6

Not assigned

 

 

DMA7

Not assigned

 

 

*PC Card controller can use DMA 1, 2, or 5.

 

 

 

Maintenance and Service Guide

6–5

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HP CQ61-124TU, CQ61-126TU, CQ61-131TU, CQ61-113TU, CQ61-117TX manual System DMA specifications, Hardware DMA System function

CQ61-222TX, CQ61-227TU, CQ61-223TX, CQ61-110TU, CQ61-227TX specifications

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