HP ProLiant DL120 Gen9 - DIMM Slot Locations; System Maintenance Switch

Component identification 13
DIMM slot locations
DIMM slots are numbered sequentially (1 through 8). The supported AMP modes use the letter assignments
for population guidelines.
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
Off Off = Set default boot mode to UEFI.
On = Set default boot mode to legacy.
S8
—
Reserved
S9
— Reserved
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.