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6-8 Specifications
CD-ROM continued
40X Max
Applicable Disc
CD-ROM mode 1, mode 2
Mixed mode (audio and data
combined)
CD-DA
CDi ready
CD-XA ready
Photo CD (single and multi-
session)
Compaq Spare Part
Number
400807-001
Disc Diameter
12 cm, 8 cm
Capacity
540 MB (Mode 1, 12 cm)
650 MB (Mode 2, 12 cm)
180 MB (8 cm)
Center Hole Diameter
15 mm
Disc Thickness
1.2 mm
Track Pitch
1.6 µm
Laser
Beam Divergence
Output Power
Type
Wave Length
53.5 degrees +/- 1.5 degrees
0.14 mW
Semiconductor laser GaAIAs
780 nm +/- 25 nm
Access Time
Random
Full Stroke
85 ms
200 ms
Audio Output Level
0.7 Vrms (typical)
Cache Buffer
128 KB
Data Transfer Rate
Sustained
Burst
1500 to 3600 KB/sec
4.0 MB/sec