Dell OptiPlex 980 Technical Guidebook - Page 37

Acoustic Noise Emission Information - memory configuration

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Acoustic Noise Emission Information OptiPlex XE DT Component CPU Memory HDD (#, capacity) RMSD Graphics Adapter Typical Configuration Intel® Pentium® Dual-Core E5300 2GB DDR3 1066 MHz (x1) 160GB 7200 RPM SATA2 DVDRW/DVD dual config Integrated Intel GMA 4500 High-end Configuration Intel® Core™ 2 Duo E7400 2GB DDR3 1066 MHz (x4) 500GB 7200 RPM SATA2 (x2) DVDRW/DVD dual config Integrated Intel GMA 4500 The Declared Noise Emission in accordance with ISO 9296 for the Dell OptiPlex XE DT is as follows (all values LWAd expressed in bels; 1 bel=10 decibels, re 10-12 Watts): : Operating Mode Typical Configuration Declared Sound Power (LWAd) High-end Configuration Declared Sound Power (LWAd) Idle 3.76 3.81 HDD Operating 3.68 3.84 90% CPU 3.96 3.85 ODD Operating 5.16 5.19 The Declared A-weighted Sound Pressure Level in decibels (re 2x10-5 Pa), at Operator, Bystander, and Desk Side 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 follows17, 18: Operating Mode Typical Configuration Declared Sound Pressure (LpA) High-end Configuration Declared Sound Pressure (LpA) Table-Top Floor-Standing Table-Top Floor- Standing Operator Bystander Operator Bystander Operator Bystander Operator Bystander Position Position Position Position Position Position Position Position (LpA) (LpA) (LpA) (LpA) (LpA) (LpA) (LpA) (LpA) Idle HDD Operating 90% CPU ODD Operating 25.00 25.00 25.37 43.06 21.50 21.80 22.00 37.40 21.00 21.07 21.04 35.18 20.30 20.06 21.80 34.00 25.48 25.40 26.72 43.80 22.00 22.00 23.40 37.83 21.43 21.50 22.39 34.84 20.90 21.10 22.50 34.10 17 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. 18 Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4.4.2 OptiPlex XE Technical Guidebook Page 37

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OptiPlex XE Technical Guidebook
Page 37
Acoustic Noise Emission Information
OptiPlex XE DT
Component
Typical Configuration
High-end Configuration
CPU
Intel® Pentium® Dual-Core E5300
Intel® Core™ 2
Duo E7400
Memory
2GB DDR3 1066 MHz (x1)
2GB DDR3 1066 MHz (x4)
HDD (#, capacity)
160GB 7200 RPM SATA2
500GB 7200 RPM SATA2 (x2)
RMSD
DVDRW/DVD dual config
DVDRW/DVD dual config
Graphics Adapter
Integrated Intel GMA 4500
Integrated Intel GMA 4500
The Declared Noise Emission in accordance with ISO 9296 for the Dell OptiPlex XE DT is as follows (all values
L
WAd
expressed in bels; 1 bel=10 decibels, re 10
-12
Watts):
:
Operating Mode
Typical Configuration
Declared Sound Power (L
WAd
)
High-end Configuration
Declared Sound Power (L
WAd
)
Idle
3.76
3.81
HDD Operating
3.68
3.84
90% CPU
3.96
3.85
ODD Operating
5.16
5.19
The Declared A-weighted Sound Pressure Level in decibels (re 2x10
-5
Pa), at Operator, Bystander, and Desk
Side 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
17, 18
:
Operating
Mode
Typical Configuration Declared Sound
Pressure (LpA)
High-end Configuration Declared Sound
Pressure (LpA)
Table-Top
Floor-Standing
Table-Top
Floor- Standing
Operator
Position
(LpA)
Bystander
Position
(LpA)
Operator
Position
(LpA)
Bystander
Position
(LpA)
Operator
Position
(LpA)
Bystander
Position
(LpA)
Operator
Position
(LpA)
Bystander
Position
(LpA)
Idle
25.00
21.50
21.00
20.30
25.48
22.00
21.43
20.90
HDD
Operating
25.00
21.80
21.07
20.06
25.40
22.00
21.50
21.10
90% CPU
25.37
22.00
21.04
21.80
26.72
23.40
22.39
22.50
ODD
Operating
43.06
37.40
35.18
34.00
43.80
37.83
34.84
34.10
17
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.
18
Declared Sound Power rounded to nearest tenth of a bel per ISO 9296 section 4.4.2