Intel SE7221BA1-E manual Installing DIMMs, Use DDR2 DIMMs

Hardware Installations and Upgrades

If additional memory is to be used, install another matched pair of DIMMs in DIMM 1 (black) in both channels A and B (see Figure 5).

Channel A

256 MB, 400 MHz

512 MB, 400 MHz

Channel B

256 MB, 400 MHz

512 MB, 400 MHz

DIMM 0

DIMM 1

DIMM 0

DIMM 1

Figure 5. Dual Configuration Example 2

NOTE

All other memory configurations will result in single channel memory operation.

Installing DIMMs

CAUTION

Install memory in the DIMM sockets prior to installing the PCI Express* x8 card to avoid interference with the memory retention mechanism.

To make sure you have the correct DIMM, place the DIMM on the illustration in Figure 6 showing the DDR2 DIMM. All the notches should match with the DDR2 DIMM.

Figure 6. Use DDR2 DIMMs

To install DIMMs, follow these steps:

1.Observe the precautions in "Safety Information" at the beginning of this document.

2.Turn off all peripheral devices connected to the computer. Turn off the computer and disconnect the AC power cord.

3.Remove the computer’s cover and locate the DIMM sockets.

Intel® Entry Server Board SE7221BA1-E User Guide 9