HP consumer dv7-6b56nr notebook a1t84uar#aba Manuale Utente

Pagina di 155
Specifications
Maintenance and Service Guide
6–5
DVD
±
RW and CD-RW SuperMulti Double-Layer Combo Drive specifications
System DMA specifications, AMD
Applicable disc 
Read: 
Write: 
CD-DA, CD+(E)G, CD-MIDI, 
CDTEXT, CD-ROM, CD-ROM 
XA, MIXED MODE CD, CD-I, 
CD-I Bridge (Photo-CD, Video 
CD), Multisession CD 
(Photo-CD, CD-EXTRA, 
Portfolio, CDR, 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-R and CD-RW
DVD+R, DVD+RW, DVD-R, 
DVD-RW, DVD-RAM
Access time 
CD
DVD 
Random 
< 175 ms 
< 230 ms 
Cache buffer 
2 MB 
Data transfer rate 
24X CD-ROM
3,600 KB/sec 
8X DVD
10,800 KB/sec 
24X CD-R
3,600 KB/sec
16X CD-RW
2,400 KB/sec 
8X DVD+R
10,800 KB/sec 
4X DVD+RW
5,400 KB/sec
8X DVD-R
10,800 KB/sec
4X DVD-RW
5,400 KB/sec
2.4X DVD+R(9)
2,700 KB/sec
5X DVD-RAM
6,750 KB/sec
Transfer mode
Multiword DMA Mode
Hardware DMA
System function 
DMA4
Direct memory access controller