Table
2-7
Acoustic
noise
levels
of
the
SPARC
M10-1
Acoustic
noise
level
CPU
type
CPU
configuration
In
operation
When
idle
Sound
power
level
SPARC64
X
1
CPU6.8
B
6.8
B
SPARC64
X+
1
CPU7.4
B
7.4
B
Sound
pressure
level
SPARC64
X
1
CPU50
dB
50
dB
SPARC64
X+
1
CPU58
dB
58
dB
Table
2-8
Acoustic
noise
levels
of
the
SPARC
M10-4/M10-4S
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
Table
2-9
Cooling
conditions
Configuration
Input
voltage
CPU
type
Region
Maximum
heat
dissipation
Maximum
exhaust
airflow
SPARC
M10-1
AC100
-
120
V
SPARC64
X
Japan
2,900
kJ/hr
(2,750
BTU/hr)
2.2
m
3
/min
Outside
Japan
2,750
kJ/hr
(2,600
BTU/hr)
SPARC64
X+
Japan
3,060
kJ/hr
(2,900
BTU/hr)
2.7
Checking
Cooling
Conditions
This
section
describes
the
cooling
conditions
for
the
SPARC
M10
systems.
Note
the
following
conditions
when
installing
the
system:
■
The
air
conditioning
facilities
for
the
room
are
sufficient
to
meet
the
cooling
conditions
of
the
entire
system
■
The
air
conditioning
facilities
have
control
functions
for
preventing
excessive
temperature
changes
lists
the
cooling
conditions
for
each
chassis.
Chapter
2
Planning
and
Preparing
for
System
Installation
41
Summary of Contents for M10 Series
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