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* Heat dissipation is calculated based on the measured watts, assuming the service level is attained for one hour.
This product is in compliance with US executive order 13221, WOL (wake on LAN) disabled.
Declared Noise
Declared NoiseDeclared Noise
Declared Noise
Emissions*
Emissions*Emissions*
Emissions*
(in accordance with
ISO 7779 and ISO 9296)
System Fan Off
Sound Power
Sound PowerSound Power
Sound Power
(LWAd, bels)
Sound Pressure
Sound PressureSound Pressure
Sound Pressure
(LpAm, decibels)
Idle
3.8
22
Fixed Disk (random writes)
3.8
22
*Not for systems containing 10,000 RPM hard drives.
Longevity and Upgrading
Longevity and UpgradingLongevity and Upgrading
Longevity and Upgrading
This product can be upgraded, possibly extending its useful life by several years. Upgradeable features
and/or components contained in the product may include:
Intel LGA775 processor socket
8 USB ports
3 empty full-height PCI slots
2 empty full-height PCIe x1 slot
1 empty full-height PCIe x16 slot
2 internal 3.5-inch drive bays
3 external 5.25-inch SATA drive bays
1 external 3.5-inch drive bay
4 memory slots
1 second Serial port (optional)
Spare parts are available throughout the warranty period and or for up to 5 years after the end of
production.
Batteries
BatteriesBatteries
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
Additional InformationAdditional Information
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 (see:
http://www.epeat.net
)
QuickSpecs
HP Compaq dc7800 Business PC
HP Compaq dc7800 Business PCHP Compaq dc7800 Business PC
HP Compaq dc7800 Business PC
Technical Specifications - Environmental Data
DA - 12744 North America — Version 25 — May 16, 2008
Page 64