System Maintenance Switch; Mezzanine Connector Definitions - HP ProLiant BL660c Gen9 User Manual

The symbols
HP ProLiant BL660c Gen9 Server Blade Installation Instructions on the HP website (http://www.hp.com/support).

System maintenance switch

Position
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
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.
CAUTION:
properly configure the server or data loss could occur.

Mezzanine connector definitions

A PCIe x8 mezzanine connector supports x16 cards at up to x8 speeds.
Item
Mezzanine connector 1
Mezzanine connector 2
Mezzanine connector 3
correspond to the symbols located on the interconnect bays. For more information, see the
Default Function
Off Off = iLO security is enabled.
On = iLO security is disabled.
Off Off = System configuration can be
changed.
On = System configuration is locked.
Off Reserved
Off Reserved
Off Off = Power-on password is enabled.
On = Power-on password is disabled.
Off Off = No function.
On = ROM reads system configuration
as invalid.
Off Off = Set default boot mode to UEFI.
On = Set default boot mode to legacy.
— Reserved
— Reserved
— Reserved
— Reserved
— Reserved
Clearing CMOS and/or NVRAM deletes configuration information. Be sure to
PCIe
x8, Type A mezzanine card only
x16, Type A or B mezzanine card
x16, Type A or B mezzanine card
Component identification 10