DELL NX046 User Manual

Adding and Replacing Parts

15 Ensure that all connectors are properly cabled and firmly seated.
16 Rotate the hard-drive carrier back into place (see "Rotating the Hard-Drive 

17 Replace the computer cover (see "Replacing the Computer Cover" on 

To connect a network cable, first plug the cable into the network port or 

device and then plug it into the computer.

18 Connect the computer and devices to electrical outlets, and turn them on.

Your computer supports fully-buffered ECC DDR2 memory only. For more 

information on the type of memory supported by your computer, see 

Before you install new memory modules, download the most recent BIOS 

for your computer from the Dell Support website at support.dell.com.

Memory purchased from Dell is covered under your computer warranty.

For optimal performance, fully buffered DIMMs (FBDs) should be installed 

in matched sets of four. This enables quad-channel operation and provides 

the highest memory bandwidth. The sets of four must be matched in size, 

rank, and organization. This information can normally be found on the FBD 

label. For example, the label of each FBD in a set of four might read: 1G 2R 

x8, in which 1G represents the size of the memory module, 2R represents the 

number of ranks, and x8 represents the organization.

Full-length heat spreaders (FLHS) are required for 667 MHz DIMMs.