System-board switches

Use this information to locate the system-board 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.

The following illustration shows the location of the switch blocks on the system board.

Figure 1. Switch blocks
Graphic illustrating system board switches
Table 1. System-board switches
1 SW1 switch block 3 SW2 switch block
2 SW5 switch block  
Important:
Switch and jumper functions are as follows:
  • All jumpers on the system board are reserved and should be removed.
  • All switches should be in the Off position.
  • The following table describes the functions of the switches on switch block SW5.

    Table 2. System-board switch block
    Switch number Description Definition
    SW5-1 Password override The default position is Off. Changing this switch to the On position overrides the power-on password.
    SW5-2 Trusted Platform Module (TPM) physical presence The default position is Off. Changing this switch to the On position indicates a physical presence to the TPM.
    SW5-3 CMOS memory The default position is Off. Changing this switch to the On position indicates to clear CMOS memory.

    After clearing the CMOS memory, change the switch back to Off position to turn on the compute node (see Power on the compute node for instructions).

    SW5-4 Reserved The default position is Off.