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The following table describes the function for each switch.
System board LEDs
The following illustration identifies the LEDs on the system board.
Power-on
indicator
(CR47)
Before you begin
Before you begin to install options in the server/workstation, read the following
information:
v Become familiar with the safety and handling guidelines specified under
Table 8. Switches 1-4
Switch number
Switch description
1
Force power-on. 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 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 31.
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)
"Handling electrostatic discharge-sensitive devices" on page 150, and read the
safety statements in "Safety information" on page 147. These guidelines will help
you work safely while working with the server/workstation or options.
Fan 4
Microprocessor 1
failure (CR33)
failure (CR26)
Fan 5
Fan 3
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)
Installing options
45
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