Oem I/O Baseboard Jumpers - IBM xSeries 380 Hardware Maintenance Manual

1
Do not keep default values in the CMOS register (Default Setting)
2
Clear the CMOS register and restore the system default values
Clearing system password
Jumper block J7A1 controls whether a stored password is retained or cleared during a
system reset. By default, the system retains this password. To clear it you must
configure jumper block J7A1.
The following illustration shows the jumper settings.
1
Retains the System Password on Reset (Default Setting)
2
Clears the System Password on Reset
Forced BMC program mode
Jumper block J7B1 controls whether the BMC is in a firmware transfer mode and
forces an update to the BMC mode.
J7B1
1
BMC programming forced
2
BMC programming non-forced (Default Setting)

OEM I/O baseboard jumpers

Jumper blocks exist on the OEM I/O Baseboard that allow you to include the BMC in
the JTAG chain and override the hardware PCI hot plug interlock switches. To access
J7B1
FRU information (service only)
221