Intel
®
Celeron
®
Processor 1.66 GHz/1.83 GHz
January 2007
DS
Order Number: 315876-002
61
Thermal Specifications and Design Considerations—Intel
®
Celeron
®
Processor 1.66 GHz/1.83
GHz
5.0
Thermal Specifications and Design Considerations
The Intel
®
Celeron
®
Processor 1.66 GHz/1.83 GHz requires a thermal solution to
maintain temperatures within operating limits as set forth in
Section 5.1
. Any attempt
to operate that processor outside these operating limits may result in permanent
damage to the processor and potentially other components in the system.
As processor technology changes, thermal management becomes increasingly crucial
when building computer systems. Maintaining the proper thermal environment is key to
reliable, long-term system operation. A complete thermal solution includes both
component and system level thermal management features. Component level thermal
solutions include active or passive heatsinks or heat exchangers attached to the
processor exposed die. The solution should make firm contact to the die while
maintaining processor mechanical specifications such as pressure. A typical system
level thermal solution may consist of a processor fan. A secondary fan or air from the
processor fan may also be used to cool other platform components or to lower the
internal ambient temperature within the system.
To allow for the optimal operation and long-term reliability of Intel processor-based
systems, the system/processor thermal solution should be designed such that the
processor remains within the minimum and maximum junction temperature (T
J
)
specifications at the corresponding thermal design power (TDP) value listed in
Table 16
for the Intel
®
Celeron
®
Processor 1.66 GHz/1.83 GHz. Thermal solutions not designed
to provide this level of thermal capability may affect the long-term reliability of the
processor and system.
Refer to the
Intel® Celeron® Processor 1.66 GHz/1.83 GHz Thermal Design Guideline
for Embedded Applications
document for more details on processor and system level
cooling approaches.
The maximum junction temperature is defined by an activation of the processor Intel
®
Thermal Monitor. Refer to
Section 5.1.3
for more details. Analysis indicates that real
applications are unlikely to cause the processor to consume the theoretical maximum
power dissipation for sustained time periods. Intel recommends that complete thermal
solution designs target the TDP indicated in
Table 16
. The Intel thermal monitor feature
is designed to help protect the processor in the unlikely event that an application
exceeds the TDP recommendation for a sustained period of time. For more details on
the usage of this feature, refer to
Section 5.1.3
. In all cases the Intel thermal monitor
feature must be enabled for the processor to remain within specification.
Table 16.
Power Specifications for the Intel
®
Celeron
®
Processor 1.66 GHz/1.83 GHz
(Sheet 1 of 2)
Symbol
Core Frequency & Voltage
Thermal Design
Power
Unit
Notes
TDP
1.66 GHz/1.83 GHz
27
W
1, 4
Symbol
Parameter
Min
Typ
Max
Unit
Notes
P
AH,
P
SGNT
Auto Halt, Stop Grant Power
15.0
W
2