System Maintenance Switch; Mezzanine Connector Definitions - HP ProLiant BL420c User Manual

Item Description
Enclosure connector
10
MicroSD card connector
11
FlexibleLOM connectors (2)
12
Processor socket 1 (populated)
13
Processor 2 DIMM slots
14
Internal USB connector
15
TPM connector
16
The symbols
HP ProLiant BL420c Gen8 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 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
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.
— Reserved
— 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
Component identification 9