Dvd-Rom Drive; System Dma Specifications - HP FM850UT - SMART BUY 4710S T6570 Notebook Maintenance And Service Manual

DVD-ROM Drive

Applicable disc
Access time
Random
Cache buffer
Data transfer rate
CD-ROM (24X)
DVD (8X)
Multiword DMA mode 2

System DMA specifications

Hardware DMA
DMA0
DMA1*
DMA2*
DMA3
DMA4
DMA5*
DMA6
DMA7
*ExpressCard controller can use DMA 1, 2, or 5.
100 Chapter 6 Specifications
CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE
CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (Photo-CD, CD-
EXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW, DVD-ROM (DVD-5, DVD-9,
DVD-10, DVD-18), DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM
CD
< 110 ms
512 KB
3600 KB/s (150 KB/s at 1X CD rate)
10,800 KB/s (1,352 KB/s at 1X DVD
rate)
16.6 MB/s
System function
Not applicable
Not applicable
Not applicable
Not applicable
Direct memory access controller
Available for ExpressCard
Not assigned
Not assigned
DVD
< 110 ms