... | ... | @@ -254,8 +254,10 @@ card. The fan is installed on a mechanical support made from FR4 and |
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attached to the board using the FMC's mounting screws. The fan design is
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available [here](https://www.ohwr.org/project/spec/wikis/Fan_Design)
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*Kontron with FMC fans**
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**Kontron with FMC fans**
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| **Fan direction** | **Slot:** | 1 | 2 | 3 |
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|---|---|---|---|---|
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| blowing | **Temp:** | 58.62 | 72.19 | 77.50 |
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| exhaust | | 65.62 | 63.69 | 64.62 |
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| no fan | | 98.75 | 88.56 | 79.50 |
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... | ... | @@ -287,7 +289,7 @@ ventilation). |
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## Conclusions
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*What to do:**
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### What to do:
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- **Don't use heatsinks**.
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- **Elma crates**. Set air flow to maximum level. Do not use slot 6 on
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... | ... | @@ -295,7 +297,7 @@ ventilation). |
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- **Wiener crates**. Set air flow to medium/maximum level.
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- **Kontron PCs must be equipped with additional fan units**.
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*Notes/observations:**
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### Notes/observations:
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- **Heatsink is not effective if the air flow is too slow**. In such
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case, the heat is exchanged through radiation with the cards in
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