Intel D865GRH User Manual
Installing and Replacing Desktop Board Components
33
Installing DIMMs
Before installing DIMMs, read and follow these guidelines for dual channel configuration.
NOTE
Performance Acceleration Technology (PAT) requires a processor with 800 MHz FSB frequency
and DDR400 memory.
and DDR400 memory.
Install a matched pair of DIMMs equal in speed, size, and technology (see Figure 8) in DIMM 0 in
both channels A and B.
both channels A and B.
Channel A
256 MB, 128 Mb, DDR400
DIMM 0
DIMM 1
Channel B
256 MB, 128 Mb, DDR400
DIMM 0
DIMM 1
Figure 8. Dual Configuration Example with Two DIMMs
If additional memory is to be used, then install another matched pair of DIMMs in DIMM 1 in
both channels A and B (see Figure 9).
both channels A and B (see Figure 9).
Channel A
256 MB, 128 Mb, DDR400
DIMM 0
512 MB, 256 Mb, DDR400
DIMM 1
Channel B
256 MB, 128 Mb, DDR400
DIMM 0
512 MB, 256 Mb, DDR400
DIMM 1
Figure 9. Dual Configuration Example with Four DIMMs
NOTE
All other memory configurations will result in single channel memory operation.