Intel Desktop Board D945GRW Product Guide
36
Installing and Removing Memory
NOTE
To be fully compliant with all applicable Intel SDRAM memory specifications, the boards require
DIMMs that support the Serial Presence Detect (SPD) data structure. You can access the PC
Serial Presence Detect Specification at:
http://www.intel.com/technology/memory/ddr/specs/dda18c32_64_128x72ag_a.pdf
The desktop board has four 240-pin DDR2 DIMM sockets arranged as DIMM 0 (blue) and
DIMM 1 (black) in both Channel A and Channel B.
Guidelines for Dual Channel Memory Configuration
Before installing DIMMs, read and follow these guidelines for dual channel configuration.
Two or Four DIMMs
Install a matched pair of DIMMs equal in speed and size in DIMM 0 (blue) of both channels
A and B (see Figure 16).
OM18155
DIMM 0
DIMM 1
DIMM 0
DIMM 1
Channel A
Channel B
256 MB, 533 MHz
256 MB, 533 MHz
Figure 16. Dual Channel Memory Configuration Example 1
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 17).
