Specifications
6-15
DVD-ROM Drive
Table 6-12
DVD-ROM Drive
Disk Specifications
Applicable disc formats DVD (single and double layer)
CD-ROM Mode 1 and 2 CD-DA CD-XA (mode 2,
form 1 and 2)
CD-I (mode 2, form 1 and 2)
CD-I Ready, CD-bridge, CD-R
PhotoCD (single and multisession)
Disc diameter 12 cm, 8 cm
Capacity 4.70 GB
8.54 GB
9.40 GB
550 MB (Mode 1, 12 cm)
640 MB (Mode 2, 12 cm)
180 MB (8 cm)
Disc thickness 1.2 mm (CD-ROM)
1.2 mm (DVD)
Track pitch 1.6 um (CD-ROM)
0.74 um (DVD)
Block size Mode 0 2352 (bytes)
Mode 1 2352, 2340, 2336, 2048 (bytes)
Mode 2 2352, 2340, 2336, 2048 (bytes)
DVD 2048 (bytes)
Performance Specifications
Access time DVD - < 180 ms, random (typical)
< 300 ms, full stroke (typical)
CD - < 120 ms, random (typical)
< 200 ms, full stroke (typical)
Data transfer rate
(1KB = 1024 Bytes)
150 KB/s (sustained, 1X CD-ROM mode)
1200 - 4800 KB/s (32X CAV CD-ROM mode)
2705 - 8115 KB/s (6X CAV DVD mode)
continued
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