I/O Board Internal Connectors And Jumpers - IBM 88784RU User Manual

I/O board internal connectors and jumpers

The following illustration shows the internal connectors and jumpers on the I/O
board.
Table 2 describes the function of each three-pin jumper block.
Table 2. I/O board jumper blocks
Jumper name
Power-on password override (J9)
Boot recovery (BIOS) (J14)
®
Wake on LAN bypass (J15)
16
IBM System x3950 Type 8872 and System x3950 E Type 8874: User's Guide
SAS 1
SAS 2
System serial (COM 1)
SP serial (COM 2)
Description
The default position is pins 1 and 2. Change the position of this
jumper to pins 2 and 3 to bypass the power-on password check.
Changing the position of this jumper does not affect the
administrator password check if an administrator password is set. If
the administrator password is lost, the operator information panel
must be replaced.
For more information about passwords, see "Passwords" on page
62.
The default position is pins 1 and 2 (use the primary page during
startup). Move the jumper to pins 2 and 3 to use the secondary
page during startup.
The default position is pins 1 and 2. Move the jumper to pins 2 and
3 to prevent a Wake on LAN packet from waking the system when
the system is in the powered-off state.
Remote Supervisor Adapter II SlimLine
Media backplane
Light path diagnostic
1 2 3
Default jumper
position
1 2 3
1 2 3
Power-on password
override
Boot recovery
Wake-on-LAN
bypass
Front USB
Battery