Figure 5. System board switches
Table 6. System board switches
1 SW5 switch block 4 SW3 switch block
2 SW8 switch block 5 SW2 switch block
3 SW1 switch block
Note: Any system-board switches or jumpers that are not described in this section are reserved.
Switch and jumper functions are as follows:
• All jumpers on the system board are reserved and should be removed.
• The following table describes the functions of the switches on switch block SW5.
Table 7. System-board switch block SW1
Switch number
Description
Definition
SW1–1
ME recovery ME boots to recovery
SW1–2 ME firmware security override For debug only.
SW1–3
Power permission
Changing this switch to the on position
enables Power On
SW1-4 BMC reset Changing this switch to the on position
forces the compute node to reset the
BMC.
• The following table describes the functions of the switches on switch block SW5.
Table 8. System-board switch block SW5
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.
Chapter 2. Compute node components 15
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