Dell M610 Manual

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Dell™ PowerEdge™ M610 Technical Guidebook

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The acoustical design of the PowerEdge M610 reﬂects the following:

 •AdherencetoDell’shighsoundqualitystandards.Soundqualityisdierentfromsoundpower

level and sound pressure level in that it describes how humans respond to annoyances in sound,

like whistles, hums, etc. One of the sound quality metrics in the Dell speciﬁcation is prominence

ratio of a tone, and this is listed in the table below.

 •Hardwarecongurationsandtypesofapplicationsaectsystemnoiselevels.Dell’sadvanced

thermal control provides for optimized cooling with varying hardware conﬁgurations and

component utilizations. Most typical conﬁgurations will perform as listed in the table below.

However, some less typical conﬁgurations and components can result in higher noise levels.

Higher application loads, e.g., CPU utilization, can also result in higher noise levels.

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ReferenceISO7779(1999)denition3.1.7;systemisrunninginitsOSbutnootherspecicactivity.

The upper limit sound power level (LwA) calculated per section 4.4.2 of ISO 9296 (1988) and

measured in accordance with ISO7779 (1999).

Criteria of D.5 and D.8 of ECMA-74 9th ed. (2005) are followed to determine if discrete tones

are prominent. The system is placed in a rack with its bottom at 75 cm from the ﬂoor. The acoustic

transducer is at front bystander position, ref ISO7779 (1999), Section 8.6.2.

POWEREDGE M610 TYPICALLY CONFIGURED BLADE IN AN M1000E CHASSIS

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Idle 7.4 No prominent tones

SECTION 4. BLOCK DIAGRAM