Compaq dc7800 - Manual (Page 42)

SATA CD-RW/DVD-
ROM Combo Drive Height 5.25-inch, half-height, tray-load
Orientation Either horizontal or vertical
Interface type SATA/ATAPI
Disc capacity Single layer: Up to 4.7 GB (6 times capacity of CD-ROM)
Double layer: Up to 8.5 GB (12 times capacity of CD-ROM)
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 CD-R Up to 48X
CD-RW Up to 32X
Read speeds DVD+R/-R/+RW/
-RW/+R DL /-R DL Up to 8X
DVD-ROM 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 (typical), CD: < 210 ms
(typical)
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 (all
conditions non-
condensing) Temperature 41° to 122° F (5° to 50° C)
Relative Humidity 10% to 90%
Maximum Wet Bulb
Temperature 86° F (30° C)
PATA Slim SuperMulti
LightScribe DVD Writer
Drive Height 5.25-inch, half-height, tray-load
Orientation Either horizontal or vertical
Interface type ATAPI/EIDE
Disc recording
capacity Up to 8.5 GB DL or 4.7 GB standard
Dimensions (W x H x D) 5.0 x 0.5 x 5.0 in (128 x 13.6 x 129 mm)
Weight (max) 0.42 lb (190 g)
Write speeds DVD-RAM Up to 5X
DVD-R DL Up to 4X
DVD+R Up to 8X
DVD+RW Up to 4X
DVD+R DL Up to 4X
DVD-R Up to 8X
DVD-RW Up to 6X
CD-R Up to 24X
CD-RW Up to 16X
Read speeds DVD-RAM Up to 5X
DVD-RW, DVD+RW Up to 8X
QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Optical Storage
DA - 12744 Worldwide QuickSpecs — Version 13 — 12.14.2007 Page 42