Dell OptiPlex 580 - SFF Model Noise Data

OptiPlex580TechnicalGuidebook Page46
Sound Pressure at Operator Position
Sound Pressure at Bystander Position
Optiplex 580 SFF
Component Typical Configuration
CPU Athlon II X2 B22 65W
Memory 1 GB DDRIII 1333 MHz
HDD (#, capacity) 160 GB 7200 RPM SATA
RMSD Slim DVD +/-RW
Graphics Adapter AMD Radeon HD3470 256MB
The Declared Noise Emission in accordance with ISO 9296 for the Dell Optiplex 580 SSF is as follows
5
:
(all values L
WAd
expressed in bels
6
; 1 bel=10 decibels, re 10
-12
Watts; all values L
pA
expressed in decibels
3
, re 2x10
-5
Pa)
5
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 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.
6
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 Operator
Position (L
pA
)
Desktop Desk side
Idle 27.9 22.4
HDD Operating 28.3 21.6
ODD Operating 42.0 37.0
90% CPU 28.5 21.8
Operating Mode
Typical Configuration
Sound Pressure at
Bystander Position (L
pA
)
Desktop Desk side
Idle 23.8 21.7
HDD Operating 24.0 20.7
ODD Operating 36.7 34.0
90% CPU 23.9 20.7