System maintenance switch descriptions
| Position | Default | Function |
|---|---|---|
| S1 | Off | Off = Processor UART output is enabled. On = BMC UART output is enabled. |
| S2 | Off | Off = Processor UART output is from the SUV port. On = Processor UART output is from the BMC (for SOL). |
| S4 | Off | Off = Connection from the dedicated management NIC port to the BMC is enabled. On = Connection from the IPMI ports on the RCM module to the BMC is enabled. |
| S3, S5 to S12 | — | Reserved |