Intel Core 2 Duo E7300 BX80570E7300 User Manual
Product codes
BX80570E7300
Processor Thermal/Mechanical Information
20
Thermal and Mechanical Design Guidelines
The thermal profiles for the Intel Core™2 Duo processor E8000 series with 6 MB
cache, Intel Core™2 Duo processor E7000 series with 3 MB cache, and Intel Pentium
®
dual-core processor E6000 and E5000 series with 2 MB cache, and Intel
®
Celeron
®
processor E3x00 series with 1 MB cache are defined such that there is a single thermal
solution for all of the 775_VR_CONFIG_06 processors.
To determine compliance to the thermal profile, a measurement of the actual
processor power dissipation is required. The measured power is plotted on the
Thermal Profile to determine the maximum case temperature. Using the example in
Figure
Figure
2-3 for a processor dissipating 50 W the maximum case temperature is 58° C.
See the datasheet for the thermal profile.
Figure
2-3. Example Thermal Profile
40
50
60
70
0
10
20
30
40
50
60
70
Power (W)
C
a
s
e T
e
m
p
er
at
u
re (
°C
)
Thermal Profile
TDP
2.2.4
T
CONTROL
T
CONTROL
defines the maximum operating temperature for the digital thermal sensor
when the thermal solution fan speed is being controlled by the digital thermal sensor.
The T
CONTROL
parameter defines a very specific processor operating region where fan
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
value for the processor is relative to the Thermal Control Circuit (TCC)
activation set point which will be seen as 0 using the digital thermal sensor. As a
result the T
result the T
CONTROL
discussion the thermal management logic and features and Chapter
7 on Intel Quiet
System Technology (Intel QST).
The value of T
CONTROL
is driven by a number of factors. One of the most significant of
these is the processor idle power. As a result a processor with a high (closer to 0 )