HP Compaq Presario,Presario V4000 Maintenance And Service Manual page 195

Access time
Random
Full stroke
Audio output level
Cache buffer
Data transfer rate
CD-R (24X)
CD-RW (10X)
CD-ROM (24X)
DVD (8X)
Multiword DMA
mode 2
Startup time
Stop time
Maintenance and Service Guide
Table 6-6
DVD-ROM Drive (Continued)
CD media
< 100 ms
< 175 ms
Line-out, 0.7 V rms
512 KB
3600 KB/s (150 KB/s at 1X CD rate)
1500 KB/s (150 KB/s at 1X CD rate)
3600 KB/s (150 KB/s at 1X CD rate)
10,800 KB/s (1352 KB/s at 1X DVD rate)
16.6 MB/s
< 10 seconds
< 3 seconds
Specifications
DVD media
< 125 ms
< 225 ms
6–9