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Intel
Figure 3.
Example Thermal Profile
2.2.3
T
CONTROL
T
defines the maximum operating temperature for the digital thermal sensor
CONTROL
when the thermal solution fan speed is being controlled by the digital thermal sensor.
The T
CONTROL
speed can be reduced. This allows the system integrator a method to reduce the
acoustic noise of the processor cooling solution, while maintaining compliance to the
processor thermal specification.
Note:
The T
CONTROL
Dual-Core E2160 processor is relative to the Thermal Control Circuit (TCC) activation
set point which will be seen as 0 (zero) when using the digital thermal sensor. As a
result, the T
discussion on thermal management logic and features and
System Technology (Intel® QST).
The value of T
these is the processor idle power. As a result, a processor with a high T
dissipate more power than a part with lower value of T
application.
The value of T
T
value, the thermal solution should perform similarly. The higher power of some
CONTROL
parts is offset by a higher value of T
virtually the same acoustically. This is achieved in part by using the Ψ
RPM versus acoustics (dBA) performance curves from the Intel enabled thermal
solution. A thermal solution designed to meet the thermal profile should have similar
acoustic performance for any value of T
The value for T
factory configured processor register. The result can be used to program a fan speed
control component. Refer to the appropriate datasheet for more details on reading the
register and calculating T
®
TM
Intel
Core
2 Duo E6400, E4300, and Intel
TDG
16
®
TM
Core
2 Duo E6400, E4300, and Intel
75
70
65
60
55
50
45
40
35
30
30
40
50
parameter defines a very specific processor operating region where fan
value for Intel® Core™2 Duo desktop E6400,E4300, and Intel® Pentium®
value will always be a negative number. Refer to
CONTROL
is driven by a number of factors. One of the most significant of
CONTROL
is calculated such that regardless of the individual processor's
CONTROL
is calculated by the system BIOS based on values read from a
CONTROL
.
CONTROL
®
®
Pentium
Dual-Core E2160 Processor
®
®
Pentium
Dual-Core E2160 Processor—Processor
60
70
80
90
100
Watts
CONTROL
in such a way that they should behave
CONTROL
.
CONTROL
Thermal/Mechanical Information
Heatsink
Design Point
Thermal Profile
TDP
110
Chapter 4.0
for a
Chapter 6.0
on Intel® Quiet
will
CONTROL
when running the same
vs. RPM and
CA
October 2007
Order Number: 315279 -003US
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