Compaq dc7800 Quickspecs page 43

QuickSpecs
Technical Specifications - Optical Storage
PATA CD-RW/DVD-
ROM Combo Slim Drive
Access time
(typical reads, including
settling)
Power
Audio output
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)
DA - 12744 Worldwide QuickSpecs — Version 13 — 12.14.2007
DVD-R DL, DVD+R DL
DVD+R, DVD-R
DVD-ROM DL, DVD-
ROM
CD-ROM, CD-R
CD-RW
Random
Full Stroke
Stop Time
Cache Buffer
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
12.7mm height slim CD-RW
Either horizontal or vertical
PATA/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
HP Compaq dc7800 Business PC
Up to 6X
Up to 8X
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)
< 4 seconds
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)
Four-pin, DC power receptacle
12 VDC ± 5%-200 mV ripple p-p
5 VDC (< 1000 mA typical, 1600 mA
maximum)
12 VDC (< 600 mA typical, 1400 mA
maximum)
< 2.5 Watt
0.7 VRMS
74 dB
65 dB
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)
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