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Installing and Replacing Desktop Board Components
37
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 15).
Channel A
256 MB, 400 MHz
DIMM 0
512 MB, 400 MHz
DIMM 1
Channel B
256 MB, 400 MHz
DIMM 0
512 MB, 400 MHz
DIMM 1
Figure 15. Dual Configuration Example 2
Three DIMMs
Install a matched pair of DIMMs equal in speed and size in DIMM 0 (blue) and DIMM 1 (black) of
channel A. Install a DIMM equal in speed and total size of the DIMMs installed in channel A in
either DIMM 0 or DIMM 1 of channel B (see Figure 16).
Channel A
256 MB, 400 MHz
DIMM 0
256 MB, 400 MHz
DIMM 1
Channel B
512 MB, 400 MHz
DIMM 0
DIMM 1
Figure 16. Dual Configuration Example 3
NOTE
All other memory configurations will result in single channel memory operation.