Declared Noise
Emissions
(in accordance with
ISO 7779 and ISO 9296)
Sound Power
(LWAd, bels)
Sound Pressure
(LpAm, decibels)
Idle
3.40
25.1
Fixed Disk (random
writes)
3.43
34.1
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 than 5ppm by weight
Cadmium greater than 10ppm by weight
Lead greater than 4000 ppm by weight.
Battery type and chemistry used in the product:
Primary battery
6-cell or 4-cell high capacity Lithium-Ion battery pack
Real Time Clock battery
CR2032L/DBE (coin cell), Lithium
Additional Information
This product is in compliance with the Restrictions of Hazardous
Substances (RoHS) directive – 2002/95/EC.
This HP product is designed to comply with the Waste Electrical and
Electronic Equipment (WEEE) Directive – 2002/96/EC.
Keyboard complies with ISO standard: ISO 9995, EN 29241-4, and
ISO/IEC 15412
Input devices of this product comply with ISO 9241, part 9.
Plastics parts weighing over 0.055 pounds (25 grams) used in the
product are marked per ISO 11469 and ISO1043.
This product contains 0% recycled materials (by wt.)
This product is greater than 94% recycle-able when properly disposed of
at end of life.
Packaging
Packaging Materials
External:
Corrugated Paper – 0.89 lb (402 g)
Internal:
Corrugated – 0.10 lb (46 g)
PET Bag– 0.03 lb (15 g)
The plastic packaging material is made from at least 20% post-
consumer recycled content.
The corrugated paper packaging materials contains at least 80%
recycled content.
HP follows these guidelines to decrease the environmental impact of
product packaging:
QuickSpecs
HP Compaq nc6400 Notebook PC
Technical Specifications
DA - 12446 Worldwide QuickSpecs — Version 15 — 1.30.2007
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