System-board switches
The following illustrations show the location of the switches on the system board.
Note
If there is a clear protective sticker on the top of the switch blocks, you must remove and discard it to access the switches.
Figure 1. System-board switches


The following table describes the switches on the system board.
| Switches block | Switch number | Switch name | Usage description | |
|---|---|---|---|---|
| On | Off | |||
| SW5 | 1 | Machine Engine (ME) firmware security override | ME update mode | Normal (default) |
| SW1 | 1 | XClarity Controller boot backup | The node will boot by using a backup of the XClarity Controller firmware | Normal (default) |
| 2 | XClarity Controller force update | Enables XClarity Controller force update | Normal (default) | |
| 3 | Password override | Overrides the power-on password | Normal (default) | |
| 4 | Low security | Enable low security | Normal (default) | |
| SW10 | 4 | CMOS clear | Clears the real-time clock (RTC) registry | Normal (default) |
Important
- Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all power cords and external cables. Review the information in Safety Information page, Installation Guidelines, Handling static-sensitive devices, and Power off the server.
- Any system-board switch or jumper block that is not shown in the illustrations in this document are reserved.
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