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System-board switches

The following illustration shows the location and description of the switches.

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. Switches on compute node system board
Switches on compute node system board
Important
  1. Before you change any switch settings or move any jumpers, turn off the solution; then, disconnect all power cords and external cables. Review the following information:

  2. Any system-board switch or jumper block that is not shown in the illustrations in this document are reserved.
Table 1. System-board switches
1 SW5 switch block2 SW13 switch block
Table 2. SW5 switch block definition
Switch numberSwitch nameUsage description
OnOff

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)

Table 3. SW13 switch block definition
Switch numberSwitch nameUsage description
OnOff

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)