... | ... | @@ -44,10 +44,12 @@ of VME slots and fan speeds were used. All crates used a MEN A20 |
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controller. Ambient temp 26-28.
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\- PCI Express: Kontron industrial PC, with 5 SPECs and 5 Fine Delays.
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Ambient temp 19-20.
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Ambient temp 19-20.
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\- Temperatures were logged over time to make sure they have settled up
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before taking measurements. The first stable sample (with less than 1
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degree temperature change over 1 minute) was used for the statistics.
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degree temperature change over 1 minute) was used for the statistics.
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\- Unused slots were covered to ensure maximum airflow through the FMCs.
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### Data:
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... | ... | @@ -122,6 +124,67 @@ Slots 9-15: |
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</tbody>
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</table>
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### Summary
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<table>
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<tbody>
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<tr class="odd">
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<td><strong>Platform</strong></td>
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<td><strong>Min temp</strong></td>
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<td><strong>Max temp</strong></td>
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<td><strong>Span</strong></td>
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<td><strong>Average</strong></td>
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<td><strong>Ambient</strong></td>
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<td><strong>Average-ambient</strong></td>
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</tr>
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<tr class="even">
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<td>Wiener (1200 rpm)</td>
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<td>48.7</td>
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<td>74.3</td>
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<td>61.5</td>
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<td>25.6</td>
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<td>28</td>
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<td>33.5</td>
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</tr>
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<tr class="odd">
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<td>Wiener (3600 rpm)</td>
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<td>39.3</td>
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<td>58.8</td>
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<td>48.5</td>
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<td>19.5</td>
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<td>28</td>
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<td>20.5</td>
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</tr>
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<tr class="even">
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<td>Elma 18-slot</td>
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<td>44.5</td>
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<td>73.7</td>
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<td>58.7</td>
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<td>29.2</td>
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<td>28</td>
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<td>30.7</td>
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</tr>
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<tr class="odd">
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<td>Elma 6-slot</td>
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<td>60.1</td>
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<td>90.0</td>
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<td>75.3</td>
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<td>29.9</td>
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<td>28</td>
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<td>47.3</td>
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</tr>
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<tr class="even">
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<td>Kontron</td>
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<td>79.5</td>
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<td>98.8</td>
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<td>19.2</td>
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<td>89.7</td>
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<td>20</td>
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<td>69.7</td>
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</tr>
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</tbody>
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</table>
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*Conclusions**
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\- Cards in the middle slots (8-10) are the worst (25 degC difference
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