Internal LEDs, connectors, and jumpersThe following illustrations show the connectors, LEDs, and jumpers on the internalboards. The illustrations might differ slightly from your hardware.I/O board internal connectors and jumpersThe following illustration shows the internal connectors and jumpers on the I/Oboard.Light path diagnosticFront USBBatteryPower-on passwordBoot recoveryWake on LANbypassMedia backplaneRemote Supervisor Adapter II SlimLineSAS 1SAS 2SP serial (COM 2)System serial (COM 1) 1 2 31 2 31 2 3Default jumperpositionDefault jumperposition1 2 3Force power onThe following table describes the function of each three-pin jumper block.Table 2. I/O board jumper blocksJumper name DescriptionForce power on (J2) The default position is pins 1 and 2. Change the position of thisjumper to pins 2 and 3 to force the server to start up when youconnect the server to ac power.Power-on password (J9) The default position is pins 1 and 2. Change the position of thisjumper to pins 2 and 3 to bypass the power-on password check.Changing the position of this jumper does not affect theadministrator password check if an administrator password is set. Ifthe administrator password is lost, the operator information panelmust be replaced.Boot recovery (J14) The default position is pins 1 and 2 (use the primary page duringstartup). Move the jumper to pins 2 and 3 to use the secondarypage during startup.Wake on LAN ® bypass (J15) The default position is pins 1 and 2. Move the jumper to pins 2 and3 to prevent a Wake on LAN packet from waking the system whenthe system is in the powered-off state.8 IBM xSeries 460 Type 8872 and xSeries MXE 460 Type 8874: Problem Determination and Service Guide
