Internal Leds, Connectors, And Jumpers; I/O Board Internal Connectors And Jumpers - IBM System x3800 Manual
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Also See for System x3800:
- Problem determination and service manual (198 pages) ,
- User manual (104 pages) ,
- Installation manual (88 pages)
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Internal LEDs, connectors, and jumpers
The following illustrations show the connectors, LEDs, and jumpers on the internal
boards. The illustrations might differ slightly from your hardware.
I/O board internal connectors and jumpers
The following illustration shows the internal connectors and jumpers on the I/O
board.
The following table describes the function of each three-pin jumper block.
Table 2. I/O board jumper blocks
Jumper name
Force power on (J2)
Power-on password (J9)
Boot recovery (J14)
®
Wake on LAN
bypass (J15)
8
IBM System x3800 Type 8865: Problem Determination and Service Guide
Description
The default position is pins 1 and 2. Change the position of this
jumper to pins 2 and 3 to force the server to start up when you
connect the server to ac power.
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 I/O board must be replaced.
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.
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