Acoustic Noise Emission Information - Dell OptiPlex 380 Technical Manualbook

DELL™ OPTIPLEX™ 380 TECHNICAL GUIDEBOOK

Acoustic Noise Emission Information

Optiplex 380 MT
Component
CPU
Memory
HDD (#, capacity)
RMSD
Graphics Adapter
The Declared Noise Emission in accordance with ISO 9296 for the Dell Optiplex 380 MT is as follows
(all values L expressed in bels
WAd
Operating Mode
Idle
HDD Operating
ODD Operating
90% CPU
The Declared A-weighted Sound Pressure Level in decibels (re 2x10
Positions are measured in accordance with ISO 7779 7.6.1, 7.6.2, and C.15.2 and declared in accordance with ISO
9296 for this product is as follows
Operating Mode
Operator
Position
(LpA)
Idle
HDD Operating
ODD Operating
90% CPU
1
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.
2
Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4.4.2
Typical Configuration
E5400
1 GB DDR3 1066 MHz
160 GB 3.5" 7200RPM SATA2
DVD +/- RW
Integrated GFx
2
; 1 bel=10 decibels, re 10
Typical Configuration
Declared Sound Power
(L )
WAd
4.1
4.0
5.1
4.3
1
:
Typical Configuration Declared Sound
Pressure (LpA)
Table-Top
Bystander Operator
Position Position
(LpA)
30.3 25.2
30.3 25.2
40.4 34.5
31.7 26.2
High-end Configuration
E8500
1 GB DDR3 1066 MHz
160 GB 3.5" 7200RPM SATA2
DVD +/- RW
nVidia GForce 9300 GE
-12
Watts)
High-end Configuration
Declared Sound Power
(L )
WAd
4.0
4.2
5.0
4.2
-5
Pa), at Operator, Bystander, and Desk Side
Floor-Standing
Bystander
Position
(LpA) (LpA)
24.7 22.9
24.7 22.9
34.9 33.0
24.8 22.9
1
:
High-end Configuration Declared Sound
Pressure (LpA)
Table-Top
Operator Bystander
Position Position
(LpA) (LpA)
29.8 25.4
29.5 24.6
41.5 36.1
31.1 26.5
Floor- Standing
Operator Bystander
Position Position
(LpA) (LpA)
24.4 22.4
24.5 22.6
36.2 33.9
25.0 23.2
36