HP ProLiant SL250s Gen8 Server Maintenance and Service Guide

Component identification 69
The arrow points to the front of the server.
System maintenance switch
Position Default Function
S1
Off
Off = iLO 4 security is enabled.
On = iLO 4 security is disabled.
S2
Off Off = System configuration can be
changed.
On = System configuration is locked.
S3
Off Reserved
S4
Off Reserved
S5
Off Off = Power-on password is enabled.
On = Power-on password is disabled.
S6
Off Off = No function
On = ROM reads system configuration
as invalid.
S7
— Reserved
S8
— Reserved
S9
— Off = PCIe 64-bit BAR function (large
BAR) is disabled.
On = PCIe 64-bit BAR function (large
BAR) is enabled.
S10
— Reserved
S11
— Reserved
S12
— Reserved
To access the redundant ROM, set S1, S5, and S6 to on.
When the system maintenance switch position 6 is set to the On position, the system is prepared to erase all
system configuration settings from both CMOS and NVRAM.