Compaq LTE 5280 Personal Computer User Manual


 
Track Pitch 1.8 um
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Laser:
Beam Divergence 10 (vertical)/36 (horizontal) degrees
Output Power 0.7 to 2.5 mw
Type Ellipse
Wave Length 780 nm +15/- 10
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Access time:
Random 250 ms
Full Stroke 500 ms
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Audio output level:
Line Out 0.85 mV rms
Headphone None
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Cache buffer 128 KB
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Data transfer rate:
Sustained 600 KB/sec
Asynchronous 14.3 MB/sec
Startup Time 7 seconds typical
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Table 8-13. 6X CD-ROM Drive Specifications
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Applicable Disc CD-ROM mode 1, mode 2
CD-Digital Audio
CD-XA mode 2 (Form 1, Form 2)
Photo CD (signal/multisession)
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Center Hole Diameter 15 mm
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Disc Diameter 12 cm, 8 cm
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Rotational Speed 1200 - 3180 rpm
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Disc Thickness 1.2 mm
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Track Pitch 1.8 um
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Laser:
Beam Divergence 11 (vertical)/37 (horizontal) degrees
Output Power 5 mw
Type AlGaAs double-hetero visible laser diode
Wave Length 785 nm
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Access time:
Random 190 ms (6X speed)
Full Stroke 450 ms (6X speed)
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Audio output level:
Line Out 0.85 mV rms
Headphone None
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Cache buffer 128 KB
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Data transfer rate:
Sustained 900 KB/sec
Asynchronous 16.7 MB/sec