HP QUICKSPECS DC7900 - Manual (Page 51)

HP SATA SuperMulti
LightScribe DVD Writer
Drive Height 5.25-inch, half-height, tray-load
Orientation Either horizontal or vertical
Interface type SATA/ATAPI
Disc capacity 8.5 GB DL or 4.7 GB standard
Dimensions (W x H x D) 5.9 x 1.7 x 8.0 in (15.0 x 4.4 x 20.3 cm)
Weight (max) 2.6 lb (1.2 kg)
Write speeds DVD-RAM Up to 12X
DVD+R Up to 16X
DVD+RW Up to 8X
DVD+R DL Up to 8X
DVD-R DL Up to 8X
DVD-R Up to 16X
DVD-RW Up to 6X
CD-R Up to 48X
CD-RW Up to 32X
Read speeds DVD-RAM Up to 12X
DVD+RW, DVD-RW,
DVD+R DL, DVD-R DL Up to 8X
DVD-ROM DL Up to 8X
DVD-ROM, DVD+R,
DVD-R Up to 16X
CD-ROM, CD-R Up to 48X
CD-RW Up to 32X
Access time
(typical reads, including
settling) Random DVD: < 140 ms (typical), CD: < 125 ms
(typical)
Full Stroke DVD: < 250 ms (seek), CD: < 210 ms (seek)
Cache Buffer 2 MB (minimum)
Data Transfer Modes ATA PIO mode 4 (16.7 MB/s); ATA Multi-word
DMA mode 2 (16.7 MB/s); ATA UltraDMA
Mode 3 (44.4 MB/s -default)
Power Source SATA DC power receptacle
DC Power Requirement5 VDC ± 5%-100 mV ripple p-p
12 VDC ± 5%-200 mV ripple p-p
DC Current 5 VDC (< 1000 mA typical, 1600 mA
maximum)
12 VDC (< 600 mA typical, 1400 mA
maximum)
Environmental
conditions (operating -
non-condensing) Temperature 41° to 122° F (5° to 50° C)
Relative Humidity 10% to 90%
Maximum Wet Bulb
Temperature 86° F (30° C)
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Optical Storage
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009 Page 51