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.

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 following information:
Any system-board switch or jumper block that is not shown in the illustrations in this document are reserved.

Figure 1. Switches on compute node system board

Table 1. System-board switches
`1` SW5 switch block	`2` SW13 switch block
`3` Jumper 44

Table 2. SW5 switch block definition
Switch number	Switch name	Usage description
Switch number	Switch name	On	Off
1	BMC reset	Force hot reset BMC chip	(Default) Normal.
3	Machine Engine (ME) firmware security override	ME update by jumper	(Default) Normal.
4	Password override	Overrides the power-on password	(Default) Normal.

Table 3. SW13 switch block definition
Switch number	Switch name	Usage description
Switch number	Switch name	On	Off
3	Clear CMOS	Clear CMOS data	(Default) Normal.
5	Serial select	Sends the XCC to the serial port	(Default) Send the serial input output (SIO) to the front serial port.

Table 4. Jumper definition
Switch number	Switch name	Usage description
Switch number	Switch name	On	Off
44	BMC Boot from Backup	Request XCC to boot using a backup of the XCC firmware	(Default) XCC will boot by using the primary XCC firmware.

Give documentation feedback