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Intel E2180 - Pentium Dual-Core 2.00GHz 800MHz 1MB Socket 775 CPU User Manual

Intel E2180 - Pentium Dual-Core 2.00GHz 800MHz 1MB Socket 775 CPU
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Balanced Technology Extended (BTX) Thermal/Mechanical Design Information
42 Thermal and Mechanical Design Guidelines
Table 5-1. Balanced Technology Extended (BTX) Type II Reference TMA Performance
Processor Thermal
Requirements,
Ψca
(Mean + 3σ)
T
A
Assumption
Notes
Intel
®
Core
â„¢
2 Duo processor with
4 MB cache at Tc-max of 60.1 °C
0.38 °C/W 35.5 °C 1,2
Intel
®
Core
â„¢
2 Duo processor with
4 MB / 2 MB cache at Tc-max of
72.0 °C
0.56 °C/W 35.5 °C 1,2,3
Intel
®
Core
â„¢
2 Duo processor with
2 MB cache at Tc-max of 61.4 °C
0.40 °C/W 35.5 °C 1,2
Intel
®
Core
â„¢
2 Duo processor with
2 MB cache at Tc-max of 73.3 °C
0.58 °C/W 35.5 °C 1,2,3
Intel
®
Pentium
®
Dual Core
processor E2000 series at Tc-max
of 61.4 °C
0.40 °C/W 35.5 °C 1
Intel
®
Pentium
®
Dual Core
processor E2000 series at Tc-max
of 73.3 °C
0.58 °C/W 35.5 °C 1,3
Intel
®
Celeron
®
Dual-Core Processor
E1000 series at Tc-max of 73.3° C
0.58 °C/W 35.5 °C 1,3
NOTES:
1. Performance targets (Ψ ca) as measured with a live processor at TDP.
2. The difference in Ψ ca between the Intel
®
Core
â„¢
2 Duo 4 MB and 2 MB is due to a slight
difference in the die size.
3. BTX Type II reference TMA is the higher thermal solution performance of the Intel
®
Core
â„¢
2 Duo processor with 4 MB / 2 MB cache at Tc-max of 72.0 °C, Intel
®
Core
â„¢
2 Duo
processor with 2 MB cache at Tc-max of 73.3 °C, Intel
®
Pentium
®
Dual Core processor
E2000 series at Tc-max of 73.3 °C, and Intel
®
Celeron
®
Dual-Core Processor E1000
Series at Tc-max of 73.3° C. Customers can generate an improvement in cost saving
for these processors to likely use the designs with the cheater TIM, the cheater fan and
the lower fin density extrusion.
5.1.2 Acoustics
To optimize acoustic emission by the fan heatsink assembly, the Type II reference
design implements a variable speed fan. A variable speed fan allows higher thermal
performance at higher fan inlet temperatures (T
A
) and the appropriate thermal
performance with improved acoustics at lower fan inlet temperatures. Using the
example in Table 5-2 for the Intel
®
Core
â„¢
2 Duo processor with 4 MB cache at Tc-max
of 60.1 °C the required fan speed necessary to meet thermal specifications can be
controlled by the fan inlet temperature and should comply with the following
requirements.

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Intel E2180 - Pentium Dual-Core 2.00GHz 800MHz 1MB Socket 775 CPU Specifications

General IconGeneral
Clock Speed2.00GHz
FSB Speed800MHz
L2 Cache1MB
SocketLGA 775
Number of Cores2
TDP65W
Manufacturing Technology65nm
Number of Threads2
Virtualization TechnologyNo
Integrated GraphicsNo
Processor ModelIntel Pentium Dual-Core E2180

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