Sun Oracle 4540 - Phaser Copystation, Руководство по обслуживанию, Страница: 182 / 264

3-62 Sun Fire X4500/X4540 Server Service Manual • May 2010
4. Locate the DIMM slot on the CPU board on which you want to install or replace
a DIMM.
The DIMM fault LEDs in the DIMM slot ejector levers indicate which DIMM has
failed. These DIMM fault LEDs can be lit for up to one minute by a capacitor on
the CPU board. To light the fault LED from the capacitor, push the small blue
button on the CPU board, labeled “Press to see fault.” See
FIGURE 3-23
for the
locations.
One end of the DIMM ejector levers contain LEDs that can indicate a faulty
DIMM:
■
DIMM fault LED is off: The DIMM is operating properly.
■
DIMM fault LED is on (amber): The DIMM is faulty and must be replaced.
The system designation of the DIMM slots on each CPU board is shown in
FIGURE 3-23
(the X4500 system is shown—4 DIMM slots).
FIGURE 3-29
Removing DIMMs on the CPU Board (X4540 shown)
5. Review the following list of memory configuration guidelines and the
supported DIMM configurations listed in
TABLE 3-16
before you remove or
install any DIMMs.
DIMM population rules for the X4500: