HP Compaq NX9000 - DVD;CD-RW Drive; DVD-ROM Drive

DVD/CD-RW Drive Center Hole Diameter 15 mm
Disk Diameter 12 cm, 8 cm
Disk Thickness 1.2 mm
Track Pitch 1.6 µm
Access Times
(typical reads, including
settling)
Random CD < 110 ms
Full-Stroke CD < 210 ms
Random DVD < 130 ms
Full-Stroke DVD < 225 ms
Audio Output Level 0.7 – 0.9 Vrms
Cache Buffer 2 Mbytes (minimum)
Data Transfer Rate
(typical, including settling)
CD-R (24X) 3600 KB/s (150 KB/s at 1X CD rate)
CD-RW (10X) 1200 KB/s (150 KB/s at 1X CD rate)
CD-ROM (24X) 3600 KB/s (150 KB/s at 1X CD rate)
DVD (8X) 10,800 KB/s (1352 KB/s at 1X DVD rate)
Normal PIO Mode 4
(single burst)
16.6 MB/s
Start-up Time Single < 9 seconds (typical)
Multi-Session < 30 seconds (typical)
Stop Time < 6 seconds (typical)
DVD-ROM Drive Center Hole Diameter 0.59 in (1.5 cm)
Disk Diameter 12 cm/8 cm
Disk Thickness 1.2 mm
Track Pitch 0.74 µm (DVD)/1.6 µm (CD)
Access Times
(typical reads, including
settling)
Random (typical) < 125 ms DVD Media
Full-Stroke (typical) < 225 ms DVD Media
Random (typical) < 100 ms CD Media
Full-Stroke (typical) < 175 ms CD Media
Cache Buffer 512 KB/s (minimum)
Data Transfer Rate
(typical, including settling)
Max 24X CD 3600 KB/s (150 KB/s at 1X CD rate)
Max 8X DVD 10,800 KB/s (1352 KB/s at 1X DVD rate)
Start-up Time < 12 seconds Typical
Stop Time < 3 seconds Typical
QuickSpecs
HP Compaq nx9000 Business Notebook
Technical Specifications
DA - 11598 Worldwide — Version 11 — December 8, 2004 Page 15