Toshiba TECRA S1 Manual Do Utilizador

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1.4  DVD-ROM Drive 
1  Hardware Overview 
TECRA S1   Maintenance Manual 
1-13 
1.4 DVD-ROM 
Drive 
The DVD-ROM drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs.  The drive 
provides high-speed data transfer, playing back a DVD at up to 8x speed and reading up to 
10,820 Kbytes per second from DVD-ROM and 3,600 Kbytes per second from CD-ROM. 
The DVD-ROM drive is shown in Figure 1-5 and its specifications are listed in Table 1-2. 
 
Figure 1-5  DVD-ROM drive 
Table 1-2  DVD-ROM drive specifications 
Item 
DVD-ROM mode 
CD-ROM mode 
Data transfer rate (Mbytes/s)  
33.3 (U-DMA transfer mode 2) 
Access time (ms) 
Average random access (ms) 
Average full stroke access (ms) 
 
110 (Typ.) 
200 (Typ.) 
 
85 (Typ.) 
180 (Typ.) 
Rotational speed (RPM) 
4,670 Max 
5,100Max 
Data buffer size (Kbytes)  
256 
Formats supported 
DVD-ROM, DVD-R (Read) 
CD-DA, CD+(E)G, CD-MIDI, CD-TEXT 
CD-ROM, CD-ROM XA, CD-I 
CD-I Bridge (Photo-CD, Video-CD) 
Multisession CD (Photo-CD, CD-EXTRA, CD-R,  
CD-RW) 
CD-R (Read), CD-RW (Read)