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| Desktop Board Features |
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| Table 5. Board Status LEDs (continued) |
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| Item/Callout |
| LED |
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| in Figure 6 | Activity | Color | Description |
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| J | Option ROM Initialization | Green | This LED will flash when the option |
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| ROM activity starts. Then the LED will |
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| stay on when option ROM initialization |
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| is complete. |
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| K | OS Start | Green | Just before the BIOS transfers control |
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| to the operating system, this LED will |
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| light and stay on. |
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| L | IERR#_LED | Red |
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| M | PME#_LED | Red |
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Figure 6. Location of the Diagnostic LEDs
29
