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2.6 Checking Acoustic Noise Levels


2.6 Checking Acoustic Noise Levels
Table 2-6 provides the acoustic noise levels of the SPARC M10-4.
The acoustic noise levels provided in Table 2-6 are measured based on the following conditions.
Measurement environment: ISO 7779 compliant
Ambient temperature: 23°C
Table 2-6  Acoustic noise levels of the SPARC M10-4
Acoustic noise level CPU type CPU configuration In operation When idle
Sound power level SPARC64 X
2 CPUs
7.5 B 6.9 B
   
4 CPUs
8.2 B 6.9 B
  SPARC64 X+
2 CPUs
8.5 B 7.0 B
   
4 CPUs
9.0 B 7.0 B
Sound pressure level SPARC64 X
2 CPUs
58 dB
56 dB
   
4 CPUs
64 dB
56 dB
  SPARC64 X+
2 CPUs
67 dB
57 dB
   
4 CPUs
74 dB
57 dB