Dell OptiPlex 580 - DT Model Noise Data

OptiPlex580TechnicalGuidebook Page45
Sound Pressure at Bystander Position
Optiplex 580 DT
Component Typical Configuration
CPU Athlon II X2 B22 65W
Memory 1 GB DDRIII 1333 MHz
HDD (#, capacity) 160 GB 7200 RPM SATA
RMSD DVD ROM
Graphics Adapter AMD Radeon HD3470 256MB
The Declared Noise Emission in accordance with ISO 9296 for the Dell Optiplex 580 DT is as follows
3
:
(all values L
WAd
expressed in bels
4
; 1 bel=10 decibels, re 10
-12
Watts; all values L
pA
expressed in decibels
3
, re 2x10
-5
Pa)
Sound Power
3
All tests are conducted according to IS 7779 and declared according to ISO 9296 except 90% CPU. For this mode, the system CPU was
stressed at 90% utilization with no other 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.
4
Declared Sound Power rounded to the nearest tenth of a bel per ISO 9296 section 4.4.2
3
Declared Sound Pressure rounded to the nearest whole decibel per ISO 9296 section 4.4.4
Operating Mode
Typical Configuration
Sound Pressure at
Bystander Position (L
pA
)
Desktop Desk side
Idle 22.0 19.7
HDD Operating 22.0 20.0
ODD Operating 37.4 35.8
90% CPU 21.7 19.7
Operating Mode
Typical Configuration
Declared Sound Power (L
WAd
)
Idle 3.8
HDD Operating 3.8
ODD Operating 5.2
90% CPU 3.8