![](/images/new-backgrounds/1196674/19667449x1.webp)
Add-on modules
! | For all steps described in this chapter pull the power plug out of the mains outlet! | |
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| 20 |
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| 19 |
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| 18 | 1 |
| 17 | |
| 16 |
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| 15 |
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| 14 |
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| 13 |
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| 12 | 2 |
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| 11 |
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| 10 |
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| 9 |
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| 8 | 3 |
| 7 | |
| 6 |
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| 5 |
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| 4 |
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1 | = Socket for processor 1 (CPU 0) | 11 | = LED L1 (yellow): "Auxiliary voltage“ |
2 | = Socket for processor 2 (CPU 1) | 12 | = Battery |
3 | = | 13 | = Memory bank 0, module A |
| activated" | 14 | = Memory bank 0, module B |
4 | = PCI slot 1 | 15 | = Memory bank 1, module A |
5 | = PCI slot 2 | 16 | = Memory bank 1, module B |
6 | = PCI slot 3: Zero Channel RAID | 17 | = Memory bank 2, module A |
7 | = PCI slot 4 | 18 | = Memory bank 2, module B |
8 | = PCI slot 5 | 19 | = LED L5 (blue): identification display |
9 | = LED L3 (red): "Processor configuration | 20 | = LED L4 (amber): Global error indicator |
| error“ |
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10 = LED L2 (green): "Operating voltage“
English - 17 |