Dvd-Rom Drive - Compaq AP500 Maintenance And Service Manual

7-12 Physical and Operating Specifications

DVD-ROM Drive

Disk
Diameter
Capacity
Mode 1
Mode 2
Disk thickness
Track pitch
Performance
Access time (typical)
Random seek
Full stroke seek
Data transfer rate
Sustained
Burst
Bus rate
Cache/buffer
Start-up time
Single
Stop-time
Error rates
Soft error
Hard error
Seek error
Table 7-10
6X Max DVD-ROM Drive
12 cm
4.7 GB
9.46 GB
550 MB (Mode 1,2,12cm)
640 MB (Mode 2,12cm)
180 MB (8 cm)
1.2 mm
0.74 m
<180 ms
<300 ms
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)
4.0 MB/s
512 KB/s (minimum)
<10 s
< 3 s
10 -15
10 -
20
10 -
6
Continued