HP Compaq dc7900 Quickspecs page 55

QuickSpecs
Technical Specifications - Optical Storage
HP SATA SuperMulti
LightScribe DVD Writer
Drive
Height
Orientation
Interface type
Disc capacity
Dimensions (W x H x D)
Weight (max)
Write speeds
Read speeds
Access time
(typical reads, including
settling)
Power
Environmental conditions
(operating - non-
condensing)
DA - 13029 Canada — Version 29 — March 7, 2011
5.25-inch, half-height, tray-load
Either horizontal or vertical
SATA/ATAPI
8.5 GB DL or 4.7 GB standard
5.9 x 1.7 x 8.0 in (15.0 x 4.4 x 20.3 cm)
2.6 lb (1.2 kg)
DVD-RAM
DVD+R
DVD+RW
DVD+R DL
DVD-R DL
DVD-R
DVD-RW
CD-R
CD-RW
DVD-RAM
DVD+RW, DVD-RW, DVD+R
DL, DVD-R DL
DVD-ROM DL
DVD-ROM, DVD+R,
DVD-R
CD-ROM, CD-R
CD-RW
Random
Full Stroke
Cache Buffer
Data Transfer Modes
Source
DC Power Requirement
DC Current
Temperature
Relative Humidity
Maximum Wet Bulb
Temperature
HP Compaq dc7900 Business PC
Up to 12X
Up to 16X
Up to 8X
Up to 8X
Up to 8X
Up to 16X
Up to 6X
Up to 48X
Up to 32X
Up to 12X
Up to 8X
Up to 8X
Up to 16X
Up to 48X
Up to 32X
DVD: < 140 ms (typical), CD: < 125 ms (typical)
DVD: < 250 ms (seek), CD: < 210 ms (seek)
2 MB (minimum)
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)
SATA DC power receptacle
5 VDC ± 5%-100 mV ripple p-p
12 VDC ± 5%-200 mV ripple p-p
5 VDC (< 1000 mA typical, 1600 mA maximum)
12 VDC (< 600 mA typical, 1400 mA maximum)
41° to 122° F (5° to 50° C)
10% to 90%
86° F (30° C)
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