Dell E190S - 19" LCD Monitor Manuale tecnico - Pagina 37

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Dell E190S - 19
DELL™ OPTIPLEX™ 760 TECHNICAL GUIDEBOOK V1.0
ACOUSTIC NOISE EMISSION INFORMATION
OPTIPLEX 760 USFF
Component
CPU
Memory
HDD (#, capacity)
RMSD
Graphics Adapter
The Declared Noise Emission in accordance with ISO 9296 for the Dell Optiplex 760 USFF is as follows:
(all values L
expressed in bels; 1 bel=10 decibels, re 10
WAd
Operating Mode
Idle
HDD Operating
ODD Operating
90% CPU
The Declared A-weighted Sound Pressure Level in decibels (re 2x10
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
1
follows
:
Operating Mode
Operator
Position (L
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
E7200
1 GB DDR2 667 MHz
80 GB 3.5" 7200 RPM SATA2
DVD +/- RW
Intel Integrated Adapter
Typical Configuration
Declared Sound Power (L
3.9
3.9
4.7
3.9
Typical Configuration
Declared Sound Pressure (L
Bystander
)
Position (L
pA
pA
30
28
30
28
38
33
29
27
High-end Configuration
2 GB DDR2 800 MHz
160 GB 3.5" 7200 RPM SATA2
Intel Integrated Adapter
-12
Watts)
High-end Configuration
)
Declared Sound Power (L
WAd
4.0
3.9
4.9
3.9
-5
Pa), at Operator, Bystander, and Desk Side Positions are
)
pA
DeskSide
)
Position (L
)
Position (L
pA
25
25
31
25
E8400
DVD +/- RW
)
WAd
High-end Configuration
Declared Sound Pressure (L
Operator
Bystander
)
Position (L
pA
32
28
32
28
42
35
32
28
)
pA
DeskSide
)
Position (L
)
pA
pA
22
22
26
24
37