Skip to main content

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
3 Jumper 44 
Table 2. SW5 switch block definition
Switch numberSwitch nameUsage description
OnOff

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 numberSwitch nameUsage description
OnOff

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 numberSwitch nameUsage description
OnOff

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.