HP (Hewlett-Packard) DC7900 ユーザーズマニュアル
HP SATA SuperMulti
LightScribe DVD Writer
Drive
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
DVD+R DL, DVD-R DL
Up to 8X
DVD-ROM DL
Up to 8X
DVD-ROM, DVD+R,
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)
(typical reads, including
settling)
Random
DVD: < 140 ms (typical), CD: < 125 ms
(typical)
(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)
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)
maximum)
12 VDC (< 600 mA typical, 1400 mA
maximum)
maximum)
Environmental
conditions (operating -
non-condensing)
conditions (operating -
non-condensing)
Temperature
41° to 122° F (5° to 50° C)
Relative Humidity
10% to 90%
Maximum Wet Bulb
Temperature
Temperature
86° F (30° C)
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Optical Storage
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009
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