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102 Installing System Components
Installing the Backplane Board
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
Ensure that the SAS interface cable connector is facing toward the hard-
drive bays and align the backplane board with the left- and right-securing
slots. See Figure 3-17.
2
Ensure that the backplane board center latch is engaged with the hard
drive cage. See Figure 3-17.
3
Connect the SAS cable and power cable to the backplane connectors. See
Figure 3-17.
4
Reinstall the hard drives. "Installing a Hot-Plug Hard Drive" on page 75.
NOTE: Reinstall the hard drives in the same drive bays from which they were
removed.
5
Close the system.
6
If applicable, install the bezel. See "Replacing the Front Bezel" on page 68.
System Memory
The six memory module sockets are located to the right side of the system
board and can accommodate 512 MB to 24 GB of registered PC-4200/5300,
533/667-MHz, DDR2 memory with ECC. See
Figure 6-1
for the location of
the memory module sockets.
You can upgrade the system memory by installing combinations of 512-MB,
1-GB, 2-GB, and 4-GB memory modules. You can purchase memory upgrade
kits from Dell.
NOTE: The memory modules must be PC-4200/5300 compliant.
Memory Module Installation Guidelines
The memory module sockets are arranged in six ranks (1, 2, 3, 4, 5, and 6) on
two channels (A and B).
The memory modules ranks are identified as follows:
Rank 1, 2: DIMM1_A and DIMM1_B