Dell PowerEdge 1650 Installation And Troubleshooting Manual page 45

CAUTION: Before you perform this procedure, you must turn off the system and disconnect it from its electrical outlet. For more information, see
"Safety First— For You and Your
1. Turn off the system, including any attached peripherals, and disconnect the system from its electrical outlet.
1. Open the system doors (see
2. To remove the retention clip that secures the heat sink to the microprocessor socket, press down firmly on the tab on the retention clip, and then
remove the clip from the heat sink (see Figure 6-7).
NOTICE: Never remove the heat sink from a microprocessor unless you intend to remove the microprocessor. The heat sink is necessary to maintain
proper thermal conditions.
CAUTION: The microprocessor chip and heat sink can become extremely hot. Be sure that the microprocessor has had sufficient time to cool
before handling.
Figure 6-7. Retention Clip
3. Remove the heat sink.
NOTICE: Be careful not to bend any of the pins when removing the microprocessor chip. Bending the pins can permanently damage the microprocessor
chip.
4. Remove the microprocessor chip from the socket by pulling the socket release lever straight up until the chip is released (see Figure 6-8) and then lift
the chip out of the socket.
Leave the release lever up so that the socket is ready for the new microprocessor.
Figure 6-8. Removing the Microprocessor
NOTICE: Be careful not to bend any of the pins when unpacking the microprocessor chip. Bending the pins can permanently damage the microprocessor
chip.
5. Unpack the new microprocessor.
If any of the pins on the microprocessor appear bent, see
NOTICE: Identifying the pin-1 corners is critical to positioning the chip correctly.
6. Identify the pin-1 corner of the microprocessor by turning the chip over and locating the tiny gold triangle that extends from one corner of the large
central rectangular area. The gold triangle points toward pin 1, which is also uniquely identified by a triangular pad.
7. Align the pin-1 corner of the microprocessor chip (see Figure 6-9) with the pin-1 corner of the microprocessor socket.
Figure 6-9. Pin-1 Identification
System" in "Checking Inside the System."
"Opening the System Doors" in "Troubleshooting Your the System").
"Getting Help" for instructions on obtaining technical assistance.