Compaq dc7800 manual Cd-Rom, Dvd-Rom Cd-R

QuickSpecs

HP Compaq dc7800 Business PC

Technical Specifications - Optical Storage

SATA DVD-ROM 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)
Read speeds	DVD+R/-R/+RW/	Up to 8X
	-RW/+R DL /-R DL
	DVD-ROM	Up to 16X
	DVD-RAM	Up to 4X
	CD-ROM, CD-R	Up to 48X
	CD-RW	Up to 32X
Removable Storage –	Media	Read	Write
Media Compatibility –	CD-ROM	Yes	No
DVD-ROM	CD-R	Yes	No
	CD-RW	Yes	No
	DVD-ROM	Yes	No
	DVD-ROM DL	Yes	No
	DVD-RAM	Yes	No
	DVD+R	Yes	No
	DVD+R DL	Yes	No
	DVD+RW	Yes	No
	DVD-R	Yes	No
	DVD-RW	Yes	No
	DVD-R DL	Yes	No
Access times	Random	DVD: < 140 ms (typical), CD: < 125 ms
(typical reads, including		(typical)
setting)	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)
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	Temperature	41° to 122° F (5° to 50° C)
(all conditions	Relative Humidity	10% to 90%
non-condensing)	Maximum Wet Bulb	86° F (30° C)

Temperature

DA - 12744 Worldwide QuickSpecs — Version 13 — 12.14.2007 Page 41