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"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1683, 1685, 1687, 1688, and 1690
DVD Drive
Applicable Disk
DVD-ROM, CD-ROM, CD-XA, CD-I, Photo CD,
Multisession, Audio, CD-R, CD-RW
Center Hole Diameter
6" / 15mm
Access Time
(typical, including setting)
< 100 ms (CD)
< 150 ms (DVD)
Disc Thickness
4.7", 3.15" / 12cm, 8cm
Track Pitch
0.74um (DVD)
Laser
Beam Divergence
.05" / 1.2cm
Audio Output Level
Line out
Headphone
1.0 volts RMS
0 - 0.6 volts RMS
Cache Buffer
512 KB/s (CD)
Data Transfer Rate
(typical, including setting)
12,000 - 3,000 KB/s (CD)
2705 KB/s (DVD)
Startup Time
< 5 sec
Stop time
< 3 sec
Battery Pack
Battery Pack
Lithium Ion (Li ion) *
US Metric
Dimensions
Height
Length
Width
.81 in
3.05 in
5.69 in
2.05 cm
7.75 cm
14.45 cm
Weight
0.85 Ib
.39 kg
Battery Pack Operating Time
3:00 hr
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOO...0%20SERIES%201683%201685%201687%201688%201690%201694/spec.html (11 of 12)6/27/2004 2:57:31 AM