PATA CD-RW/DVD-ROM
Combo Slim Drive
Height
12.7mm height slim CD-RW
Orientation
Either horizontal or vertical
Interface type
PATA/ATAPI
Disc capacity
Single layer: Up to 4.7 GB (6 times capacity of CD-ROM)
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
CD-R
Up to 24X
CD-RW
Up to 24X
Read speeds
DVD+R/-R/+RW/
-RW/+R DL /-R DL
Up to 4X
DVD-ROM
Up to 8X
CD-ROM, CD-R
Up to 24X
CD-RW
Up to 24X
Access time
(typical reads, including
settling)
Random DVD
DVD: < 140 ms (typical), CD: < 125 ms (typical)
Random CD
DVD: < 250 ms (typical), CD: < 210 ms (typical)
Cache Buffer
2 MB (minimum)
Data Transfer Modes
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)
Power
Source
Four-pin, DC power receptacle
DC Power Requirement
5 VDC ± 5%-100 mV ripple p-p
DC Current
5 VDC (< 1000 mA typical, < 1600 mA maximum)
Total Drive Power
(standby mode)
< 2.5 Watt
Audio output level
0.7 Vrms (typical)
Environmental
(all
conditions non-
condensing)
Temperature
41° to 122° F (5° to 50° C)
Relative Humidity
5% to 85%
Maximum Wet Bulb
Temperature
(operating)
86° F (30° C)
QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Optical Storage
DA - 12744 North America — Version 33 — October 29, 2008
Page 57
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