... | @@ -52,35 +52,78 @@ before taking measurements. The first stable sample (with less than 1 |
... | @@ -52,35 +52,78 @@ 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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\- Unused slots were covered to ensure maximum airflow through the FMCs.
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### Data (without heatsinks):
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### Data :
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*Wiener 21-slot VME64x crate, fans at 1200 rpm (minimum speed):**
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*Wiener 21-slot VME64x crate, slots 4-10:**
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Slots 4-10:
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<table>
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| **Slot/FMC** | 4/1 | 4/2 | 5/1 | 5/2 | 6/1 | 6/2 | 7/1 | 7/2 | 8/1 |
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<tbody>
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8/2 | 9/1 | 9/2 | 10/1 | 10/2 |
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<tr class="odd">
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| **Temperature** | 65.69 | 71.38 | 56.88 | 66.25 | 50.69 | 63.88 |
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<td><strong>Fans</strong></td>
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51.19 | 63.62 | 58.62 | 73.25 | 61.44 | 71.00 | 50.12 | 59.62 |
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<td><strong>Slot/FMC</strong></td>
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<td>4/1</td>
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Slots 9-15:
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<td>4/2</td>
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| **Slot/FMC** | 9/1 | 9/2 | 10/1 | 10/2 | 11/1 | 11/2 | 12/1 | 12/2 |
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<td>5/1</td>
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13/1 | 13/2 | 14/1 | 14/2 | 15/1 | 15/2 |
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<td>5/2</td>
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| **Temperature** | 62.00 | 71.12 | 60.19 | 74.31 | 61.25 | 73.75 |
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<td>6/1</td>
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51.94 | 65.12 | 48.75 | 60.88 | 51.31 | 62.75 | 52.12 | 64.06 |
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<td>6/2</td>
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<td>7/1</td>
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*Wiener 21-slot VME64x crate, fans at 3600 rpm (maximum speed):**
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<td>7/2</td>
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<td>8/1</td>
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Slots 4-10:
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<td>8/2</td>
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| **Slot/FMC** | 4/1 | 4/2 | 5/1 | 5/2 | 6/1 | 6/2 | 7/1 | 7/2 | 8/1 |
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<td>9/1</td>
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8/2 | 9/1 | 9/2 | 10/1 | 10/2 |
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<td>9/2</td>
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| **Temperature** | 52.75 | 57.06 | 45.31 | 51.56 | 39.31 | 48.31 |
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<td>10/1</td>
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40.38 | 48.31 | 47.38 | 58.81 | 49.94 | 55.00 | 40.75 | 46.12 |
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<td>10/2</td>
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</tr>
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<tr class="even">
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<td>Min (1200 rpm)</td>
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<td><strong>Temperature</strong></td>
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<td>65.69</td>
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<td>71.38</td>
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<td>56.88</td>
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<td>66.25</td>
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<td><span class="blue">50.69</span></td>
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<td>63.88</td>
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<td>51.19</td>
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<td>63.62</td>
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<td>58.62</td>
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<td><span class="red">73.25</span></td>
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<td>61.44</td>
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<td>71.00</td>
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<td>50.12</td>
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<td>59.62</td>
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</tr>
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<tr class="odd">
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<td>Max (3600 rpm)</td>
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<td><strong>Temperature</strong></td>
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<td>52.75</td>
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<td>57.06</td>
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<td>45.31</td>
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<td>51.56</td>
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<td><span class="blue">39.31</span></td>
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<td>48.31</td>
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<td>40.38</td>
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<td>48.31</td>
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<td>47.38</td>
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<td><span class="red">58.81</span></td>
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<td>49.94</td>
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<td>55.00</td>
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<td>40.75</td>
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<td>46.12</td>
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</tr>
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</tbody>
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</table>
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Slots 9-15:
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*Wiener 21-slot VME64x crate, slots 9-15:**
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| **Slot/FMC** | 9/1 | 9/2 | 10/1 | 10/2 | 11/1 | 11/2 | 12/1 | 12/2 |
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| **Fans** | **Slot/FMC** | 9/1 | 9/2 | 10/1 | 10/2 | 11/1 | 11/2 | 12/1
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13/1 | 13/2 | 14/1 | 14/2 | 15/1 | 15/2 |
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| 12/2 | 13/1 | 13/2 | 14/1 | 14/2 | 15/1 | 15/2 |
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| **Temperature** | 49.44 | 55.00 | 48.81 | 56.50 | 49.88 | 55.00 |
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| Min (1200 rpm) | **Temperature** | 62.00 | 71.12 | 60.19 | 74.31 |
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41.44 | 50.88 | 40.69 | 50.12 | 41.31 | 48.12 | 42.75 | 49.00 |
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61.25 | 73.75 | 51.94 | 65.12 | 48.75 | 60.88 | 51.31 | 62.75 | 52.12 |
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64.06 |
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| Max (3600 rpm) | **Temperature** | 49.44 | 55.00 | 48.81 | 56.50 |
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49.88 | 55.00 | 41.44 | 50.88 | 40.69 | 50.12 | 41.31 | 48.12 | 42.75 |
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49.00 |
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*Elma 18-slot VME64x crate, default fan configuration:**
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*Elma 18-slot VME64x crate, default fan configuration:**
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... | @@ -99,8 +142,8 @@ Slots 9-15: |
... | @@ -99,8 +142,8 @@ Slots 9-15: |
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*Elma 6-slot VME64x crate, default fan configuration:**
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*Elma 6-slot VME64x crate, default fan configuration:**
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| **Fans** | **Slot/FMC** | 2/1 | 2/2 | 3/1 | 3/2 | 4/1 | 4/2 | 5/1 |
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| **Fans** | **Slot/FMC** | 2/1 | 2/2 | 3/1 | 3/2 | 4/1 | 4/2 | 5/1 |
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5/2 | 6/1 | 6/2 |
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5/2 | 6/1 | 6/2 |
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| Auto setting | **Temperatures:** | 77.69 | 72.38 | 77.31 | 69.75 |
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| Auto | **Temperatures:** | 77.69 | 72.38 | 77.31 | 69.75 | 66.88 |
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66.88 | 60.12 | 82.06 | 74.31 | 90.00 | 83.19 |
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60.12 | 82.06 | 74.31 | 90.00 | 83.19 |
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Note: slot 6 has a much higher temperature than the other slots. One may
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Note: slot 6 has a much higher temperature than the other slots. One may
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need to recommend to not use slot 6.
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need to recommend to not use slot 6.
|
... | @@ -156,8 +199,10 @@ need to recommend to not use slot 6. |
... | @@ -156,8 +199,10 @@ need to recommend to not use slot 6. |
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*Elma 6-slot VME64x crate**
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*Elma 6-slot VME64x crate**
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| **Fans** | **Slot/FMC** | 2/1 | 2/2 | 3/1 | 3/2 | 4/1 | 4/2 | 5/1 |
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| **Fans** | **Slot/FMC** | 2/1 | 2/2 | 3/1 | 3/2 | 4/1 | 4/2 | 5/1 |
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5/2 | 6/1 | 6/2 |
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5/2 | 6/1 | 6/2 |
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| Auto setting | **Temperatures:** | 69.06 | 65.12 | 70.69 | 61.75 |
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| Auto | **Temperatures:** | 69.06 | 65.12 | 70.69 | 61.75 | 62.25 |
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62.25 | 53.44 | 75.25 | 65.62 | 81.88 | 70.50 |
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53.44 | 75.25 | 65.62 | 81.88 | 70.50 |
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| Max (3600 rpm) | | 62.12 | 58.75 | 62.06 | 55.12 | 53.06 | 47.12 |
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66.12 | 58.56 | 74.62 | 63.69 |
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### Summary - without heatsink
|
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### Summary - without heatsink
|
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... | | ... | |