System-board switches
The following illustration shows the location and description of the switches.
Important
Before you change any switch settings or move any jumpers, turn off the solution; then, disconnect all power cords and external cables. Review the information in Safety Information page, Installation Guidelines, Handling static-sensitive devices, and Power off nodes.
If there is a clear protective sticker on the switch blocks, you must remove and discard it to access the switches.
Any system-board switch or jumper block that is not shown in the illustrations in this document are reserved.
Figure 1. Location of the switches on the system board
| Switch name | Switch number | Switch name | Usage description | |
|---|---|---|---|---|
| On | Off | |||
| 1 SW2 | 3 | Machine Engine (ME) firmware security override | ME update by jumper. | Normal (default) |
| 4 | Password override | Overrides the power-on password. | Normal (default) | |
| 5 | Low security | Enable low security | Normal (default) | |
| 2 SW3 | 3 | Clear CMOS | Clear CMOS data | Normal (default) |
| 5 | Serial select | Sends the XCC to the serial port | Send the serial input output (SIO) to the front serial port (default) . | |
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