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3-50 Sun Fire X4500/X4540 Server Service Manual • May 2010
Note – This component is a FRU and must be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
Note –
To migrate your Sun Fire X4500 to an X4540, see the Sun Fire X4500 to X4540
Migration Guide .
TABLE 3-14
lists the qualified part numbers for this component. These part numbers
are subject to change over time. For an updated list of components, see the following
web site:
http://sunsolve.sun.com/handbook_pub/Systems/
CPU Fault Indicators
The System Controller Fault LED on the system controller indicates a problem with
either the CPUs or the DIMMs. For the location of this LED, see
FIGURE 3-31
. This
Fault LED is powered by 3.3V standby power.
DIMM and CPU fault LEDs on the CPU module provide further indications of which
component has a fault condition. These CPU and DIMM fault LEDs can be lit for up
to one minute by a capacitor on the CPU module, even after the CPU module is
removed from the server. To light the fault LEDs from the capacitor, push the small
button on the CPU board labeled, “Press to see fault.”
See
FIGURE 3-23
for the LED and button locations.
■
System Controller fault LED:
Off: CPU and DIMMs are functioning properly.
On (amber): CPU or DIMM is faulty.
DIMM fault LEDs are under the DIMM ejector levers that are toward the front of the
system:
■
DIMM fault LED:
TABLE 3-14
Sun Fire X4500/X4540 Supported CPU Module Assembly Part Numbers
Component Part Number
CPU, AMD 290, 2.8-GHz dual core (X4500) #371-1779
CPU, quad core 2356 processor, 2.3 GHz (X4540) #371-4042
CPU, quad core 2384 processor, 2.7 GHz (X4540) #371-4438