6-6 Specifications
6.5 CD-ROM Drive
Table 6-6
CD-ROM Drive Specifications
Applicable Disc CD-ROM mode 1, mode 2
CD-Digital Audio
CD-XA mode 2 (Form 1, Form 2)
CD-I mode 2 (Form1, Form 2)
CD-I Ready
CD-Bridge
CD-R
CD-WO (fixed/variable packets)
Photo CD (single/multisession)
Center Hole Diameter 15 mm
Disc Diameter 12 cm, 8 cm
Disc Thickness 1.2 mm
Track Pitch 1.6 µm
Laser
Beam divergence 53.5 ± 1.5 degrees
Output power 0.24 ± 0.1 mw
Type Semiconductor Laser GaA1As
Wave length 780 nm ± 25 nm
Access time
Random <350 ms
Full stroke <750 ms
Audio output level
Line out 0.7 Vrms
Headphone None
Cache Buffer 128 KB
Data transfer rate
Sustained, 24x 3.6 MB/s
Sustained, single 150 KB/sec
Burst 8.3 MB/sec
Startup time <8 seconds typical
Capacity
Mode 1, 12 cm 550 MB
Mode 2, 12 cm 640 MB
8 cm 180 MB
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