Dell OptiPlex 980 Technical Manualbook page 38

OptiPlex XE SFF
Component
CPU
Memory
HDD (#, capacity)
RMSD
Graphics Adapter
The Declared Noise Emission in accordance with ISO 9296 for the Dell OptiPlex XE SFF is as follows (all values
L expressed in bels; 1 bel=10 decibels, re 10
WAd
Operating Mode
Idle
HDD Operating
90% CPU
ODD Operating
The Declared A-weighted Sound Pressure Level in decibels (re 2x10
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
Operating Typical Configuration Declared Sound
Mode
Table-Top
Operator
Position
(LpA)
Idle 24.05
HDD
23.85
Operating
90% CPU
25.26
ODD
38.50
Operating
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.
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
Typical Configuration
Intel® Pentium® Dual-Core E5300
2GB DDR3 1066 MHz (x1)
160GB 7200 RPM SATA2
DVDRW/DVD dual config
Integrated Intel GMA 4500
-12
Watts):
Typical Configuration
Declared Sound Power (L
3.27
3.26
3.66
4.51
17, 18
:
Pressure (LpA)
Floor-Standing
Bystander Operator
Position Position
(LpA) (LpA)
21.10 20.53
21.10 20.77
21.70 20.91
33.40 29.06
)
WAd
-5
Pa), at Operator, Bystander, and Desk
High-end Configuration Declared Sound
Table-Top
Bystander Operator
Position Position
(LpA) (LpA)
19.30 23.74
19.40 23.89
20.40 29.24
28.10 38.82
This test mode is not specified in ISO 7779, but was
High-end Configuration
Intel® Core™ 2 Duo E7400
2GB DDR3 1066 MHz (x4)
250GB 7200 RPM SATA2 (x2)
DVDRW/DVD dual config
Integrated Intel GMA 4500
High-end Configuration
Declared Sound Power (L
3.15
3.24
3.88
4.79
Pressure (LpA)
Floor- Standing
Bystander Operator
Position Position
(LpA) (LpA)
21.40 19.80
21.40 20.50
24.90 23.93
33.50 30.59
)
WAd
Bystander
Position
(LpA)
18.60
19.00
21.40
28.50
Page 38