HP Compaq dc7900 CMT User Manual

Disc capacity
Disc capacityDisc capacity
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
DimensionsDimensions
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
WeightWeight
Weight (max) 2.6 lb (1.2 kg)
Read speeds
Read speedsRead speeds
Read speeds DVD+R/-R/+RW/
DVD+R/-R/+RW/DVD+R/-R/+RW/
DVD+R/-R/+RW/
-RW/+R DL /-R DL
-RW/+R DL /-R DL-RW/+R DL /-R DL
-RW/+R DL /-R DL
Up to 8X
DVD-ROM
DVD-ROMDVD-ROM
DVD-ROM Up to 16X
DVD-RAM
DVD-RAMDVD-RAM
DVD-RAM Up to 4X
CD-ROM, CD-R
CD-ROM, CD-RCD-ROM, CD-R
CD-ROM, CD-R Up to 48X
CD-RW
CD-RWCD-RW
CD-RW Up to 32X
Removable Storage -
Removable Storage -Removable Storage -
Removable Storage -
Media Compatibility -
Media Compatibility -Media Compatibility -
Media Compatibility -
DVD-ROM
DVD-ROMDVD-ROM
DVD-ROM
Media
MediaMedia
Media Read
ReadRead
Read Write
WriteWrite
Write
CD-ROM
CD-ROMCD-ROM
CD-ROM Yes No
CD-R
CD-RCD-R
CD-R Yes No
CD-RW
CD-RWCD-RW
CD-RW Yes No
DVD-ROM
DVD-ROMDVD-ROM
DVD-ROM Yes No
DVD-ROM DL
DVD-ROM DLDVD-ROM DL
DVD-ROM DL Yes No
DVD-RAM
DVD-RAMDVD-RAM
DVD-RAM Yes No
DVD+R
DVD+RDVD+R
DVD+R Yes No
DVD+R DL
DVD+R DLDVD+R DL
DVD+R DL Yes No
DVD+RW
DVD+RWDVD+RW
DVD+RW Yes No
DVD-R
DVD-RDVD-R
DVD-R Yes No
DVD-RW
DVD-RWDVD-RW
DVD-RW Yes No
DVD-R DL
DVD-R DLDVD-R DL
DVD-R DL Yes No
Access times
Access timesAccess times
Access times
(typical reads, including
setting)
Random
RandomRandom
Random DVD: < 140 ms (typical), CD: < 125 ms
(typical)
Full Stroke
Full StrokeFull Stroke
Full Stroke DVD: < 250 ms (seek), CD: < 210 ms (seek)
Cache Buffer
Cache BufferCache Buffer
Cache Buffer 2 MB (minimum)
Data Transfer Modes
Data Transfer ModesData Transfer Modes
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
PowerPower
Power Source
SourceSource
Source SATA DC power receptacle
DC Power Requirement
DC Power RequirementDC Power Requirement
DC Power Requirement 5 VDC ± 5%-100 mV ripple p-p
12 VDC ± 5%-200 mV ripple p-p
DC Current
DC CurrentDC Current
DC Current 5 VDC - <1000 mA typical, < 1600 mA
maximum
12 VDC -< 600 mA typical, < 1400 mA
maximum
Environmental
EnvironmentalEnvironmental
Environmental
(all conditions
non-condensing)
Temperature
TemperatureTemperature
Temperature 41° to 122° F (5° to 50° C)
Relative Humidity
Relative HumidityRelative Humidity
Relative Humidity 10% to 90%
Maximum Wet Bulb
Maximum Wet BulbMaximum Wet Bulb
Maximum Wet Bulb
Temperature
TemperatureTemperature
Temperature
86° F (30° C)
SATA Slim SuperMulti
SATA Slim SuperMultiSATA Slim SuperMulti
SATA Slim SuperMulti Height
HeightHeight
Height 12.7mm height
QuickSpecs
HP Compaq dc7900 Business PC
HP Compaq dc7900 Business PCHP Compaq dc7900 Business PC
HP Compaq dc7900 Business PC
Technical Specifications - Optical Storage
DA - 13029 North America — Version 11 — February 9, 2009 Page 54

HP Compaq dc7900 CMT Specifications

General

Brand	HP
Model	Compaq dc7900 CMT
Category	Desktop
Language	English