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Addendum to Compaq Armada 1500
Maintenance and Service Guide
16 Addendum 255318-001 to Guide 284820-001
Table 9-2
20X Max CD-ROM Drive
Applicable Disc
CD-ROM mode 1, mode 2
CD-Digital Audio
CD-XA mode 2 (Form 1, Form 2)
CD-I mode 2 (Form 1, Form 2)
CD-I Ready
CD-Bridge
CD-WO (fixed / variable packets)
Photo CD (single / multi-session)
Center Hole Diameter
15mm
Disc Diameter
12cm, 8cm
Disc Thickness
1.2mm
Track Pitch
1.6
µ
m
Laser
Beam Divergence 53.5 + 1.5 degrees
Output Power 0.13 +
0.1 mw
Type Semiconductor Laser GaA1As
Wave Length 780 nm +
25 nm
Access Time
Random < 150 ms
Full Stroke < 600 ms
Audio Output Level
Line Out 0.7 Vrms
Headphone None
Cache Buffer
256 KB
Data Transfer Rate
Sustained, quad 300 MB/sec
Sustained, single 150 KB/sec
Burst 8.3 MB/sec
Startup Time < 10 seconds typical
Capacity
Mode 1, 12 cm 550 MB
Mode 2, 12 cm 640 MB
8 cm 180 MB