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7-12 Physical and Operating Specifications
DVD-ROM Drive
Table 7-10
6X Max DVD-ROM Drive
Disk
Diameter 12 cm
Capacity
Mode 1
Mode 2
4.7 GB
9.46 GB
550 MB (Mode 1,2,12cm)
640 MB (Mode 2,12cm)
180 MB (8 cm)
Disk thickness 1.2 mm
Track pitch 0.74 µm
Performance
Access time (typical)
Random seek
Full stroke seek
<180 ms
<300 ms
Data transfer rate
Sustained
Burst
150 KB/s (sustained, 1xCD-ROM mode)
1200 to 4800 KB/s (32x CAV CD-ROM mode)
2705 to 8115 KB/s (6x CAV DVD mode)
Bus rate 4.0 MB/s
Cache/buffer 512 KB/s (minimum)
Start-up time
Single <10 s
Stop-time < 3 s
Error rates
Soft error
Hard error
Seek error
10
-15
10
-
20
10
-
6
Continued