System-Board Jumpers - IBM 436854u - System x3200 M2 5U Mini Tower Server Problem Determination And Service Manual

System-board jumpers

The following illustration shows the jumpers on the system board.
The following table describes the function of each jumper block.
Table 2. System-board jumper blocks
Jumper number
JP1
JP3
JP6
Jumper name
Clear CMOS jumper
Mini-BMC force update
Boot block jumper (JP6)
Mini-BMC
force update
jumper (JP3)
Jumper setting
v Pins 1 and 2: Keep CMOS data (default)
v Pins 2 and 3: Clear the CMOS data, which
clears the power-on password. Make sure that
the ac power source is disconnected from the
server.
Note: Changing the position of this jumper
does not affect the administrator password
check if an administrator password is set. If the
administrator password is set and forgotten,
remove and then reinstall the battery.
Pins 1 and 2: Open (default).
Note: You do not need to set this jumper because
it stays at this setting.
v Pins 1 and 2: Normal (default)
v Pins 2 and 3: Recover boot block (see
"Updating (flash-update) the BIOS code on the
server" on page 216)
Boot block
jumper (JP6)
Clear CMOS
jumper (JP1)
13
Chapter 1. Introduction