HP Compaq dc7900 Quickspecs page 53

QuickSpecs
Technical Specifications - Optical Storage
SATA CD-RW/DVD-ROM
Combo Slim Drive
Environmental conditions
(operating - non-
condensing)
Height
Orientation
Interface type
Disc capacity
Dimensions (W x H x D) 5.0 x 0.5 x 5.0 in (128 x 13.6 x 129 mm)
Weight (max)
Write speeds
Read speeds
Access time
(typical reads, including
settling)
Power
Audio output level
Environmental (all
conditions non-condensing)
DA - 13029 Worldwide QuickSpecs — Version 9 — 1.9.2009
Temperature
Relative Humidity
Maximum Wet Bulb
Temperature
12.7mm height slim CD-RW
Either horizontal or vertical
SATA/ATAPI
Single layer: Up to 4.7 GB (6 times capacity of CD-ROM)
0.42 lb (190 g)
CD-R
CD-RW
DVD+R/-R/+RW/
-RW/+R DL /-R DL
DVD-ROM
CD-ROM, CD-R
CD-RW
Random DVD
Random CD
Cache Buffer
Data Transfer Modes
Source
DC Power Requirement 5 VDC ± 5%-100 mV ripple p-p
DC Current
Total Drive Power
(standby mode)
0.7 Vrms (typical)
Temperature
Relative Humidity
Maximum Wet Bulb
Temperature (operating)
HP Compaq dc7900 Business PC
41° to 122° F (5° to 50° C)
10% to 90%
86° F (30° C)
Up to 24X
Up to 24X
Up to 4X
Up to 8X
Up to 24X
Up to 24X
DVD: < 140 ms (typical), CD: < 125 ms (typical)
DVD: < 250 ms (typical), CD: < 210 ms (typical)
2 MB (minimum)
ATA PIO mode 4); ATA Multi-word DMA mode
2; ATA UltraDMA mode 0; ATA UltraDMA mode
1, mode 2; ATA UltraDMA Mode 3 (default)
Four-pin, DC power receptacle
5 VDC (< 1000 mA typical, < 1600 mA
maximum)
< 2.5 Watt
41° to 122° F (5° to 50° C)
5% to 85%
86° F (30° C)
Page 53