HP QUICKSPECS DC7900 Quickspecs page 55

QuickSpecs
Technical Specifications - Optical Storage
SATA DVD-ROM Slim
Drive
Height
Orientation
Interface type
Dimensions (W x H x D) 5.0 x 0.5 x 5.0 in (128 x 13.6 x 129 mm)
Weight (max)
Read speeds
Access time
(typical reads, including
settling)
Power
Audio output
Environmental (all
conditions non-
condensing)
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009
12.7mm
Either horizontal or vertical
SATA/ATAPI
0.42 lb (190 g)
DVD+R/-R/+RW/
-RW/+R DL /-R DL
DVD-ROM
CD-ROM, CD-R
CD-RW
Random DVD
Random CD
Data Transfer Modes
Source
DC Power Requirement5 VDC ± 5%-100 mV ripple p-p
DC Current
Total Drive Power
(standby mode)
Line-Out
Signal-to-Noise Ratio
Channel Separation
Temperature
Relative Humidity
Maximum Wet Bulb
Temperature (operating)
HP Compaq dc7900 Business PC
Up to 4X
Up to 8X
Up to 24X
Up to 24X
DVD: < 140 ms (typical), CD: < 125 ms
(typical)
DVD: < 250 ms (seek), CD: < 210 ms (seek)
ATA PIO mode 4 (16.7 MB/s); ATA Multi-word
DMA mode 2 (16.7 MB/s)
Four-pin, DC power receptacle
5 VDC - <1000 mA typical, < 1600 mA
maximum
< 2.5 Watt
0.7 VRMS
74 dB
65 dB
41° to 122° F (5° to 50° C)
5% to 85%
86° F (30° C)
Page 55