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Table 2. MAX5 expansion module features and operating specifications (continued)
Acoustical noise emissions:
For maximum system configurations
(32 DIMMs installed)
v Sound power (idling): 6.2 bels
v Sound power (operating): 6.2 bels
v Sound pressure (idling): 48 dBA
v Sound pressure (operating): 48
dBA
Size:
v Height: 4.4 cm (1.73 in.)
v Depth: 72.4 cm (28.5 in.)
v Width: 48.3 cm (19.0 in.)
v Weight: approximately 12.8 kg
(28.2 lb) for a standard unit; when
fully configured, 15.4 kg
(33.9 lb)
What the MAX5 offers
The IBM MAX5 for System x (MAX5) memory expansion module provides several
features for easy operation, including the following features:
v Customer replaceable units (CRUs)
v Light path diagnostics LEDs
Environment:
v Air temperature:
– Enclosure on: 10° to 35°C (50°
to 95°F); altitude: 0 to 914.4 m
(3000 ft). Decreased system
temperature by 0.75° for every
1000 ft. increase in altitude.
– Enclosure off: 5° to 45°C (41° to
113`°F)
– Shipment: -40°C to +60°C
(-40°F to 140°F
v Humidity:
– Enclosure on: 20% to 80%;
maximum dew point: 21°C
(70°F)
– Enclosure off: 8% to 80%;
maximum dew point: 27°C
(80°F)
– Shipment: 5% to 100%
v Particulate contamination:
Attention:
and reactive gases acting alone or
in combination with other
environmental factors such as
humidity or temperature might pose
a risk to the server. For information
about the limits for particulates and
gases, see "Particulate
contamination" on page 105.
The major CRUs in the MAX5 expansion module are memory modules, fans, and
power supplies. See "MAX5 components" on page 72 for the supported MAX5
components.
The MAX5 expansion module has light path LEDs (front and rear) to indicate
hardware, scaling, and power problems.
Heat output
Approximate heat:
v Minimum configuration: 314 Btu
v Maximum configuration 2048 Btu
Electrical input:
v Sine-wave input (50 - 60 Hz)
v Input voltage low range:
v Input voltage high range:
v Approximate input kilovolt-amperes
Airborne particulates
Notes:
1. Power consumption and heat
2. These levels were measured in
Chapter 1. The System x3850 X5 and x3950 X5 server
per hour (92 watts)
per hour (600 watts)
required
– Minimum: 90 V ac
– Maximum: 136 V ac
– Minimum: 198 V ac
– Maximum: 264 V ac
(kVA):
– Minimum: 0.1 kVA
– Maximum: 0.6 kVA
output vary depending on the
number and type of optional
features that are installed and the
power-management optional
features that are in use.
controlled acoustical environments
according to the 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 a given location might
exceed the average stated values
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.
21
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