Regulatory Compliance And Environmental; Acoustic Noise Emission Information - Dell Optiplex 755 Technical Manualbook

Dell™ optiplex™ 755 technical guiDe

rEguLatory coMpLiancE anD EnvironMEntaL

Product related conformity assessment and regulatory authorizations including Product Safety, Electromagnetic Compatibility (EMC),
Ergonomics,andCommunicationDevicesrelevanttothisproductmaybeviewedatwww.dell.com/regulatory_compliance.TheRegulatory
Datasheet for this product is located at: http://www.dell.com/content/topics/global.aspx/corp/environment/en/prod_datasheets
Details of Dell's environmental stewardship program to conserve product energy consumption, reduce or eliminate materials for
disposal, prolong product life span and provide effective and convenient equipment recovery solutions may be viewed at www.dell.
com/environment. Product related conformity assessment, regulatory authorizations, and information encompassing Environmental,
Energy Consumption, Noise Emissions, Product Materials Information, Packaging, Batteries, and Recycling relevant to this product may
be viewed by clicking the Design for Environment link on the webpage.

acoustic noisE EMission inforMation

component
Memory
HDD (#, capacity)
RMSD
Graphics Adapter
The Declared Noise Emission in accordance with ISO 9296 for the Dell Optiplex 755 MT is as follows
bels ; 1 bel=10 decibels, re 10
2
operating moDe
HDD Operating
ODD Operating
90% CPU
All tests are conducted according to ISO 7779 and declared according to ISO 9296 except 90% CPU. For this mode, the system CPU was stressed at 90% utilization with no other
1
peripheral device actively seeking. This test mode is not specified in ISO 7779, but was measured using the same microphone distances and measurement techniques defined
for the other reported operating modes.
Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4.4.2
2
version 1.0
CPU
Watts).
-12
DeclareD sounD power (l
Idle
optiplex 755 mt
typical configuration
E4500
1GB DDRII 667MHz
80GB 7200 RPM SATA
DVD/CD-RW Combo
Integrated Adapter
optiplex 755 mt
typical configuration
3.7
3.8
5.0
3.7
high-enD configuration
E6850
2GB DDRII 800MHz
2 x 160GB 7200 RPM SATA
DVD/DVD+/-R
ATI 2400 Pro
: (all values L
1
high-enD configuration
) DeclareD sounD power (l
wad
3.8
3.8
5.0
4.1
expressed in
WAd
)
wad
42
42