Advantech SOM-ETX Design Guide
Chapter 8 Heat Sink Recommended Design
133
8.7.6 Test Results
Date : 2004/07/22
Model No. : ECC-00121-02
*Test Condition: Run HCT9.5 one hour in Win2000.
Heat Sink Specification
- Material : Al 6063T5
- Dimension: L114*W96*H8mm
Interface Specification
- Material : Fujipoly Sarcon
- Size : CPU 19.5*19.5mm
North Bridge 19.5*19.5mm
Table 8.10 Thermal Specifications
Crusoe Processor
Model
Thermal Design Power
Maximum Case Temperature Value
(maximum)
(max/min)
--
TDPmax (W)
max (?)
Pentium M 1.1GHz
12
95
855GME 4.3
105
Table 8.11 Thermal Resistance Target: (Based On T case,max=°C)
ambient (°C)
Rca (°C/W)
25 5.83
Pentium M 1.1GHz
65 2.5
25 18.6
855GME
65 9.3
With Fan-Dimensions: 40x40x10mm
-Rated Voltage: 12 VDC
-Rated Speed: 5500RPM
Table 8.12 Test Results
CPU TYPE
Power (W)
Tc (°C)
Ta (°C)
Rca (°C/W)
12 39 25 1.17
Celeron M 1.1GHz
12 79 65 1.17
4.3 40 25 3.49
855GME
4.3 78 65 3.02
