"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1683, 1685, 1687, 1688, and 1690
Logical Configuration
Cylinders
Heads
Sectors per track
Bytes per sector
Seek Times
(Typical, Including settling in ms) Track to Track
Average Maximum
Rotational Speed
Transfer Rate
Media
At interface
Sector Interleave
Buffer Size
13424 |
| 7944 |
15 |
| 15 |
63 |
| 63 |
512 |
| 512 |
|
|
|
|
|
|
2.5 ms |
| 2.5 ms |
13 ms |
| 13 ms (read) |
23 ms |
| 23 ms |
4200 rpm |
| 4200 rpm |
|
|
|
|
|
|
60.8 to 107.2 Mb/s |
| 60.8 to 107.2 Mb/s |
33.3 MB/s |
| 33.3 MB/s |
|
|
|
|
| |
1:1 |
| 1:1 |
|
|
|
512 KB |
| 512 KB |
|
|
|
DVD or CD Drive
|
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| CD Drive |
| ||
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| 24x CD Drive |
|
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| Applicable Disk |
|
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| |
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|
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| Photo CD (multisession), Video CD, CD- |
|
|
|
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| R, |
|
|
|
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|
|
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| Center Hole Diameter |
|
| .6" / 15 mm |
|
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| |
| Disc Diameter |
|
| 12 cm, 8 cm |
|
|
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|
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| Disc Thickness |
|
| 1.2 mm |
|
|
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| Track Pitch |
|
| 1.6 um |
|
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|
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| Access Time |
|
| 110 ms |
|
| (typical, including setting) |
|
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| |
|
|
|
|
|
|
| Audio Output Level |
|
| +/- 0.27 Vrms |
|
| Line out |
|
|
| |
| Headphone |
|
| none |
|
|
|
|
|
|
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| Cache Buffer |
|
| 128 KB |
|
|
|
|
|
|
|
| Data Transfer Rate |
|
| 3600 KB/s |
|
| (typical, including setting) |
|
| 150 KB/s |
|
|
|
|
| 16.66 MB/sec |
|
|
|
|
|
| |
| Startup Time |
|
| < 8 sec |
|
|
|
|
|
|
|
| Stop time |
|
| < 4 sec |
|
|
|
|
|
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file:///C/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOO...0%20SERIES%201683%201685%201687%201688%201690%201694/spec.html (10 of 12)6/27/2004 2:57:31 AM