HP QUICKSPECS DC7900 User Manual

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/
-RW/+R DL /-R DL
Up to 8X
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 Compatibility -
DVD-ROM
Media Read Write
CD-ROM Yes No
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
(typical reads, including
setting)
Random DVD: < 140 ms (typical), CD: < 125 ms
(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)
Power Source SATA DC power receptacle
DC Power Requirement 5 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)
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Optical Storage
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009 Page 52

HP QUICKSPECS DC7900 Specifications

General

Chipset	Intel Q45 Express
Memory	Up to 16 GB DDR2 SDRAM
Memory Slots	4 DIMM slots
Audio	Integrated High Definition Audio
Dimensions	Varies by form factor
Weight	Varies by form factor
Processor	Intel Core 2 Duo, Intel Core 2 Quad, Intel Pentium Dual-Core
Storage	Up to 1TB SATA HDD
Graphics	Integrated Intel GMA 4500, optional discrete graphics
Optical Drive	DVD-ROM, DVD+/-RW, or Blu-ray
Network	Integrated Gigabit Ethernet
Ports	USB 2.0, serial, parallel
Expansion Slots	PCI, PCIe x1, PCIe x16
Operating System	Windows Vista, Windows XP, FreeDOS
Form Factor	Ultra-slim desktop, small form factor, or convertible minitower