System board leds – IBM xSeries 330 User Manual

Page 49

Advertising
background image

Chapter 5. Installing options

41

The following table describes the function for each switch.

System board LEDs

The following illustration identifies the LEDs on the system board.

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
.

Light path
diagnostic circuit
verification LED

Light path
diagnostics
button

Light path
diagnostic
panel

Fan 1
failure
(CR15)

Fan 3
failure (CR31)

Fan 5
failure (CR40)

Fan 4
failure (CR33)

Fan 6
failure (CR48)

Fan 2
failure
(CR17)

Microprocessor 1
failure (CR26)

Microprocessor 2
failure (CR53)

DIMM 4
failure
(CR 54)

DIMM 3
failure
(CR 46)

DIMM 2
failure
(CR 39)

DIMM 1
failure
(CR 38)

Power-on
indicator
(CR47)

PS

TEMP

FA

N

SP

MEM

CPU

VRM

PCI

Light

Pa

th

Advertising