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"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675
Seek Times
(Typical, Including settling in ms)
Track to Track
Average Maximum
Rotational Speed
2.5 ms
13 ms
23 ms
4200 rpm
2.5 ms
13 ms (read)
23 ms
4200 rpm
Transfer Rate
Media
At interface
60.8 to 107.2 Mb/s
33.3 MB/s
60.8 to 107.2 Mb/s
33.3 MB/s
Sector Interleave
1:1 1:1
Buffer Size
512 KB 512 KB
DVD or CD Drive
CD Drive
24× CD Drive
Applicable Disk
CD-DA, CD-ROM, CD-ROM XA, CD-1,
Photo CD (multisession), Video CD, CD-
R, CD-Extra (CD+), CD-G, CD-RW
Center Hole Diameter
.6" / 15 mm
Disc Diameter
12 cm, 8 cm
Disc Thickness
1.2 mm
Track Pitch
1.6 um
Access Time
(typical, including setting)
110 ms
Audio Output Level
Line out
Headphone
+/- 0.27 Vrms
none
Cache Buffer
128 KB
Data Transfer Rate
(typical, including setting)
3600 KB/s
150 KB/s
16.66 MB/sec
Startup Time
< 8 sec
Stop time
< 4 sec
DVD Drive
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
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...ESARIO%201270,%201670,%20and%201675/spec.html (8 of 10)6/27/2004 2:46:03 AM