Compaq Maintenance and Service Guide for Compaq Presario Laptop User Manual


 
Specifications
Maintenance and Service Guide 6–11
Disc thickness 1.2 mm (0.047 in)
Track pitch 0.74 µm
Access time CD media DVD media
Random
Full stroke
< 175 ms
< 285 ms
< 230 ms
< 335 ms
Audio output level Audio-out, 0.7 Vrms
Cache buffer 2 MB
Data transfer rate
CD-R (16X)
CD-RW (8X)
CD-ROM (24X)
DVD (8X)
DVD-R (4X)
DVD-RW (2X)
Multiword DMA mode 2
2,400 KB/s (150 KB/s at 1X CD rate)
1,200 KB/s (150 KB/s at 1X CD rate)
3,600 KB/s (150 KB/s at 1X CD rate)
10,800 KB/s (1,352 KB/s at 1X DVD rate)
5,400 KB/s (1,352 KB/s at 1X DVD rate)
2,700 KB/s (1,352 KB/s at 1X DVD rate)
16.6 MB/s
Startup time < 15 seconds
Stop time < 6 seconds
Table 6-6
DVD±RW/R and
CD-RW Double-Layer Combo Drive
(Continued)