IBM xSeries 330 manual System board LEDs, Switches

The following table describes the function for each switch.

Table 9. Switches 1-8.

Switch number	Switch description
1	Reserved.
2	Reserved.
3	Reserved.
4	Reserved.
5	Force power-on. The default setting is Off (disabled).
6	Reserved. The default setting is Off.
7	Reserved. The default setting is Off.
8	Bypass power-on password.
	When toggled to the opposite position, bypasses the power-on password,
	if one is set, for one boot cycle. See “Setting the password override
	switch” on page 34.

System board LEDs

The following illustration identifies the LEDs on the system board.

Power-on indicator (CR47)

	MEM	CPU	VRM	PCI
Light Path
	PS	TEMP	FAN	SP

DIMM 1 failure (CR 38)

DIMM 2 failure (CR 39)

DIMM 3 failure (CR 46)

DIMM 4 failure (CR 54)

Fan 6	Fan 4	Microprocessor 1
failure (CR48)	failure (CR33)	failure (CR26)
Microprocessor 2	Fan 5	Fan 3
failure (CR53)	failure (CR40)	failure (CR31)

Light path diagnostic circuit verification LED

Light path diagnostic panel

Light path diagnostics button

Fan 1 failure (CR15)

Fan 2 failure (CR17)

Chapter 5. Installing options 41