Compaq Armada m300 Compaq Armada M300 Series of Personal Computers Maintenance - Page 94

CD-ROM Drive, Table 6-8 - photos

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6.6 CD-ROM Drive Applicable Disc Center Hole Diameter Disc Diameter Disc Thickness Track Pitch Laser Beam Divergence Output Power Type Wave Length Access Time Random Full Stroke Audio Output Level Line Out Headphone Cache Buffer Data Transfer Rate Sustained, 24X Variable Normal PIO Mode 4 (single burst) Startup time Stop time Capacity Mode 1, 12 cm Mode 2, 12 cm 8 cm Table 6-8 CD-ROM Drive CD-ROM (Mode 1, 2, and 3) CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and Form 2) CD-R (read only) CD Plus Photo CD (single/multisession) CD Extra Video CD CD-WO (fixed packets only) CD-Bridge .59 in./15 mm 12 cm, 8 cm 1.2 mm 1.6 µm 53.5 ± 1.5 degrees 0.24 ± 0.1 mw Semiconducter Laser GaA1As 780 nm ± 25 nm < 150 ms < 300 ms 0.7 V rms none 128 KB 150 KB/sec 1500 to 3600 KB/sec 16.6 MB/sec < 8.3 seconds < 4.0 seconds 550 MB 640 MB 180 MB Specifications 6-5

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Specifications
6-5
6.6
CD-ROM Drive
Table 6-8
CD-ROM Drive
Applicable Disc
CD-ROM (Mode 1, 2, and 3)
CD-XA ready (Mode 2, Form 1 and 2)
CD-I ready (Mode 2, Form 1 and Form 2)
CD-R (read only)
CD Plus
Photo CD (single/multisession)
CD Extra
Video CD
CD-WO (fixed packets only)
CD-Bridge
Center Hole Diameter
.59 in./15 mm
Disc Diameter
12 cm, 8 cm
Disc Thickness
1.2 mm
Track Pitch
1.6 μm
Laser
Beam Divergence
Output Power
Type
Wave Length
53.5 ± 1.5 degrees
0.24 ± 0.1 mw
Semiconducter Laser GaA1As
780 nm ± 25 nm
Access Time
Random
Full Stroke
< 150 ms
< 300 ms
Audio Output Level
Line Out
Headphone
0.7 V rms
none
Cache Buffer
128 KB
Data Transfer Rate
Sustained, 24X
Variable
Normal PIO Mode 4 (single burst)
Startup time
Stop time
150 KB/sec
1500 to 3600 KB/sec
16.6 MB/sec
< 8.3 seconds
< 4.0 seconds
Capacity
Mode 1, 12 cm
Mode 2, 12 cm
8 cm
550 MB
640 MB
180 MB