Sun Oracle Sun Fire X4270 M2 Service Manual page 114

c. Attach an antistatic wrist strap.
d. Remove the top cover.
2. Remove the CPU (
Caution – The CPU should be serviced only by an Oracle qualified service
technician.
a. To identify the location of the faulty CPU, press the Fault Remind button on
Note – When the Fault Remind button is pressed, a LED located next to the Fault
Remind button lights green to indicate that there is sufficient voltage present in the
fault remind circuit to light any fault LEDs that were set due to a failure. If this LED
fails to light when you press the Fault Remind button, it is likely that the capacitor
powering the fault remind circuit has lost its charge. This can happen if the Fault
Remind button is pressed for a long time with fault LEDs lit or if power has been
removed from the server for more than 15 minutes.
4-28 Sun Fire X4270 M2 Server Service Manual • May 2011
See Section 2.9, "Performing Electrostatic Discharge and Antistatic Prevention
Measures" on page 2-31.
See Section 2.10, "Removing the Server's Top Cover" on page
FIGURE 4-13
the motherboard (
FIGURE 4-3
The fault LED for the faulty CPU lights. The CPU fault LEDs are located next to
the CPUs (
FIGURE 4-12
).
).
).
2-33.