120 Installing System Components
NOTICE: Never operate your system with the memory cooling shroud removed.
Overheating of the system can develop quickly resulting in a shutdown of the
system and the loss of data.
7
Close the system. See "Closing the System" on page 71.
Integrated NIC TOE
The TCP/IP Offload Engine (TOE) functionality of the system’s integrated
NIC is activated by the LOM NIC hardware key installed in the TOE_KEY
socket on the system board (
see Figure6-2.) See the user documentation that
came with this system for information on how to set up and configure the TOE
feature.
Processors
You can upgrade your processors to take advantage of future options in speed
and functionality. Each processor and its associated internal cache memory
are contained in a land grid array (LGA) package that is installed in a ZIF
socket on the system board.

Removing a Processor

CAUTION: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. See your Product
Information Guide for complete information about safety precautions, working
inside the computer, and protecting against electrostatic discharge.
1
Prior to upgrading your system, download the latest system BIOS version
on
support.dell.com
.
2
Turn off the system, including any attached peripherals, and disconnect
the system from the electrical outlet.
3
Open the system. See "Opening the System" on page 71.
4
Remove the memory module cooling shrouds. See "Removing the Memory
Module Cooling Shrouds" on page94.
5
Remove the expansion cards from expansion-card riser 2. See "Removing
an Expansion Card" on page92.
6
Remove expansion-card riser 2. See "Removing Expansion-Card Riser 2"
on page 101.