IBM 865511Y Hardware Maintenance Manual - Page 70

American National Standards Institute ANSI S12.10 and ISO, nearby noise sources.

Page 70 highlights

3 Power consumption and heat output vary depending on the number and type of optional features installed and the power-management optional features in use. 4 These levels were measured in controlled acoustical environments according to procedures specified by the American National Standards Institute (ANSI) S12.10 and ISO 7779, and are reported in accordance with ISO 9296. Actual sound-pressure levels in your location might exceed the average values stated because of room reflections and other nearby noise sources. The declared sound power levels indicate an upper limit, below which a large number of computers will operate. 62 Netfinity Server HMM

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3
Power consumption and heat output vary depending on the
number and type of optional features installed and the
power-management optional features in use.
4
These levels were measured in controlled acoustical
environments according to procedures specified by the
American National Standards Institute (ANSI) S12.10 and ISO
7779, and are reported in accordance with ISO 9296.
Actual sound-pressure levels in your location might exceed the
average values stated because of room reflections and other
nearby noise sources.
The declared sound power levels
indicate an upper limit, below which a large number of
computers will operate.
62
Netfinity Server HMM