Component identification 8
Item Description
11
Mezzanine connector 1 (Type I only)
12
Mezzanine connector 2 (Type I or Type II)
13
TPM connector
14
System maintenance switch
15
Processor socket 2
16
Processor socket 1
The symbols correspond to the symbols located on the interconnect bays. For more information, see the
HP ProLiant BL490c G6 Server Blade Installation Instructions that ship with the server blade.
Mezzanine connector definitions
Item Connector Card support
Mezzanine connector 1
Type I mezzanine card only
Mezzanine connector 2
PCIe x8 Type I or II mezzanine card
System maintenance switch
Position Function Default
1*
iLO 2 security override Off
2
Configuration lock Off
3
4
Reserved Off
5*
Password disabled Off
6*
Reset configuration Off
7
Reserved Off
8
Reserved Off
*To access redundant ROM, set S1, S5, and S6 to ON.
System maintenance switch procedures
When you perform troubleshooting steps, this guide may instruct you to perform the following procedures:
• Clear the system configuration ("Clearing the system configuration" on page 8).
• Access the redundant ROM ("Accessing the redundant ROM" on page 9).
To complete these procedures, you must change physical settings on the system maintenance switch.
Clearing the system configuration
RBSU can be used to restore the factory default configuration. For more information, see "HP ROM-Based
Setup Utility (on page 49)." If the system is unable to boot into RBSU, use the following steps to clear the
system configuration:
1. Power down the server blade (on page 11).
2. Remove the server blade (on page 12).
