7-8 Specifications
Table 7-8
20X Max Slimline CD-ROM Drive
(Deskpro 4000S Only)
Applicable Disc
CD-ROM mode1, mode 2
Mixed mode (audio and data combined)
CD-DA
Photo CD (single and multi-session)
CDi ready
CD-XA ready
Compaq Spare Part Number
288445-001
Disc Diameter 12 cm, 8 cm
Capacity 550-MB, mode 1, 12-cm; 640-MB, mode 2, 12-cm; 180-MB, 8cm
Center Hole 15 mm diameter
Disc Thickness 1.2 mm
Track Pitch 1.6 µm
Laser
Beam Divergence
Output Power
Type
Wave Length
53.5 degrees +/- 1.5 degrees
0.13 mW
Semiconductor laser GaAIAs
780 nm +/- 15 nm
Access Time
Random
Full Stroke
100 ms
200 ms
Audio Output Level
0.7V RMS (typical)
Cache Buffer 128 KB
Data Transfer Rate
Sustained
Burst
3000 KB/sec
4.0 MB/sec
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