Intel E1400 Design Guidelines - Page 58

Validation Results for Reference Design

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ATX Thermal/Mechanical Design Information 6.2 Validation Results for Reference Design 6.2.1 Heatsink Performance Table 6-1 provides the D60188-001 heatsink performance for the processors of Intel® Core™2 Duo processor with 4 MB cache at Tc-max of 60.1 °C, Intel® Core™2 Duo processor with 2 MB cache at Tc-max of 61.4 °C, and Intel® Pentium® Dual Core processor E2000 series at Tc-max of 61.4 °C. Table 6-2 provides the E18764-001 heatsink performance for the processors of Intel® Core™2 Duo processor with 4 MB / 2 MB cache at Tc-max of 72.0 °C and Intel® Core™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. The results are based on the test procedure described in Section 6.2.4. The tables also include a TA assumption of 40°C for the Intel reference thermal solution at the processor fan heatsink inlet discussed Section 2.4.1. Table 6-1. D60188-001 Reference Heatsink Performance Processor Target Thermal Performance, ca (Mean + 3 ) AssumTAption Notes Intel® Core™2 Duo processor with 4 MB cache at Tc-max of 60.1 °C Intel® Core™2 Duo processor with 2 MB cache at Tc-max of 61.4 °C Intel® Pentium® Dual Core processor E2000 series at Tc-max of 61.4 °C 0.31 C/W 0.33 C/W 0.33 C/W 40 C 40 C 40 C 1, 2 1, 2 1 NOTES: 1. Performance targets ( ca) as measured with a live processor at TDP. 2. The difference in ca between the Intel® Core™2 Duo 4 MB and 2 MB is due to a slight difference in the die size. Table 6-2. E18764-001 Reference Heatsink Performance Processor Intel® Core™2 Duo processor with 4 MB / 2 MB cache at Tc-max of 72.0 °C Intel® Core™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 Intel® Celeron® Dual-Core processor E1000 series at Tc-max of 73.3 °C Target Thermal Performance, ca (Mean + 3 ) 0.49 C/W 0.51 C/W 0.51 C/W 0.51 C/W AssumTAption Notes 40 C 1, 2 40 C 1, 2 40 C 1 40 C 1 NOTES: 1. Performance targets ( ca) as measured with a live processor at TDP. 2. The difference in ca between the Intel® Core™2 Duo 4 MB and 2 MB is due to a slight difference in the die size. 58 Thermal and Mechanical Design Guidelines

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ATX Thermal/Mechanical Design Information
58
Thermal and Mechanical Design Guidelines
6.2
Validation Results for Reference Design
6.2.1
Heatsink Performance
Table 6-1 provides the D60188-001 heatsink performance for the processors of Intel
®
Core
™
2 Duo processor with 4 MB cache at Tc-max of 60.1 °C, Intel
®
Core
™
2 Duo
processor with 2 MB cache at Tc-max of 61.4 °C, and Intel
®
Pentium
®
Dual Core
processor E2000 series at Tc-max of 61.4 °C.
Table 6-2 provides the E18764-001
heatsink performance for the processors of Intel
®
Core
™
2 Duo processor with 4 MB /
2 MB cache at Tc-max of 72.0 °C and Intel
®
Core
™
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.
The results are based on the test procedure described in Section 6.2.4.
The tables also include a T
A
assumption of 40°C for the Intel reference thermal
solution at the processor fan heatsink inlet discussed Section 2.4.1.
Table 6-1. D60188-001 Reference Heatsink Performance
Processor
Target Thermal
Performance,
ca
(Mean + 3
)
T
A
Assumption
Notes
Intel
®
Core
™
2 Duo processor with 4 MB
cache at Tc-max of 60.1 °C
0.31 C/W
40
C
1, 2
Intel
®
Core
™
2 Duo processor with 2 MB
cache at Tc-max of 61.4 °C
0.33 C/W
40
C
1, 2
Intel
®
Pentium
®
Dual Core processor
E2000 series at Tc-max of 61.4 °C
0.33 C/W
40
C
1
NOTES:
1.
Performance targets (
ca) as measured with a live processor at TDP.
2.
The difference in
ca between the Intel
®
Core
™
2 Duo 4 MB and 2 MB is due to a slight
difference in the die size.
Table 6-2. E18764-001 Reference Heatsink Performance
Processor
Target Thermal
Performance,
ca
(Mean + 3
)
T
A
Assumption
Notes
Intel
®
Core
™
2 Duo processor with 4 MB /
2 MB cache at Tc-max of 72.0 °C
0.49 C/W
40
C
1, 2
Intel
®
Core
™
2 Duo processor with 2 MB
cache at Tc-max of 73.3 °C
0.51 C/W
40
C
1, 2
Intel
®
Pentium
®
Dual Core processor
E2000 series at Tc-max of 73.3 °C
0.51 C/W
40
C
1
Intel
®
Celeron
®
Dual-Core processor
E1000 series at Tc-max of 73.3 °C
0.51 C/W
40
C
1
NOTES:
1.
Performance targets (
ca) as measured with a live processor at TDP.
2.
The difference in
ca between the Intel
®
Core
™
2 Duo 4 MB and 2 MB is due to a slight
difference in the die size.