Quickspecs – HP QUICKSPECS DC7900 User Manual
Page 60
Declared Noise
Emissions
(in accordance with
ISO 7779 and ISO 9296)
“Typical Configuration“ with 7200 rpm HDD
System Fan Off
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle
3.7
27
Fixed Disk
(random writes)
3.8
28
Configuration with optional 10,000 rpm HDD
System Fan Off
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle
3.8
27
Fixed Disk
(random writes)
4.2
32
Batteries
This product complies with ISO standards:
EU Directive 91/ 157/ EEC
EU Directive 93/ 86/ EEC
EU Directive 98/ 101/ EEC
Batteries used in the product do not contain:
Mercury greater the 5ppm by weight
Cadmium greater than 10ppm by weight
Lead greater than 4000ppm by weight.
Battery size: CR2032 (coin cell)
Battery type: Lithium
Additional Information
This product is in compliance with the Restrictions of Hazardous Substances (RoHS)
directive – 2002/95/EC.
This product is in compliance with California Proposition 65 (State of California; Safe
Drinking Water and Toxic Enforcement Act of 1986).
This HP product is designed to comply with the Waste Electrical and Electronic Equipment
(WEEE) Directive – 2002/96/EC.
This product is in compliance with the IEEE 1680 (EPEAT) standard at the Gold level
1
, see
Plastics parts weighing over 25 grams used in the product are marked per ISO 11469 and
ISO1043.
This product contains 0% recycled materials (by wt.)
This product is 93.4% recyclable when properly disposed of at end of life.
Packaging Materials
External:
Corrugated – 1736 g
Polyethylene low density foam – 35 g
Internal:
EPE-Expanded Polyethylene – 293 g
The EPE foam packaging material is made from 0% recycled content.
The corrugated paper packaging materials contains at least 25% recycled content.
¹ EPEAT certification is conditional upon ENERGY STAR qualification. Only dc7900e models
which qualify for ENERGY STAR will be certified EPEAT – Gold.
Convertible Minitower
System Configuration The configuration used for the Energy Consumption and Declared Noise Emissions data for the
Convertible Mini tower Desktop model is based on a typically configured product
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Environmental Data
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009
Page 60