IBM THINKPAD T42 -, Руководство по обслуживанию

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Acoustical Noise Emissions
The equivalent continuous A-weighted sound pressure level at workstations (emission sound pressure
level at the 1-meter bystander positions) does not exceed 70 dB(A).
Der Geräuschpegel der Einheit ist kleiner oder gleich 70 db(A).
Declared Acoustical Noise Emissions
There is no declared acoustical noise emission for the system rack. The declared acoustical noise
emissions can be found in the service guides for each of the system drawers installed into the 7014 Series
Model T00 and Model T42 System Rack.
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7014 Model T00, and Model T42 Service Guide