System Board Leds - IBM eServer 130 xSeries User Reference Manual

System board switch block
The switch block contains microswitches 1 through 4. Switch 1 is at the top of the
switch block and switch 4 is at the bottom. For more information about this switch
block see "Power-on password" on page 26.
The following table describes the function for each switch.
Table 5. Switches 1 through 4.

System board LEDs

The following illustration identifies the LEDs on the system board.
Remote supervisor
adapter connector
Figure 11. Viewing the system board connectors
Switch Switch
number description
1 Reserved. The default setting is Off (disabled).
2 Reserved. The default setting is Off.
3 Reserved. The default setting is Off.
4 Bypass power-on password.
When this switch is toggled to the opposite position, the system bypasses
the power on password, if one is set. See "Power-on password" on page
26.
Power-on
indicator
(CR47)
DIMM 1
failure
(CR 38)
DIMM 2
failure
(CR 39)
DIMM 3
failure
(CR 46)
DIMM 4
failure
(CR 54)
Fan 6
failure (CR48)
Microprocessor 2
failure (CR53)
Fan 4 Microprocessor 1
failure (CR33) failure (CR26)
Fan 5 Fan 3
failure (CR40) failure (CR31)
Chapter 6. Installing options
Light Path
Diagnostic circuit
verification LED
Light Path
Diagnostics
panel
Light Path
Diagnostics
button
Fan 1
failure
(CR15)
Fan 2
failure
(CR17)
53