Intel D945GCZL Product Guide - Page 34

Intel Desktop Board D945GCZ Product Guide 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 13). 1 GB, 533 MHz 1 GB, 533 MHz Channel A Channel B DIMM 0 DIMM 1 DIMM 0 DIMM 1 Figure 13. Dual 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 14). 256 MB, 533 MHz 512 MB, 533 MHz 256 MB, 533 MHz 512 MB, 533 MHz Channel A Channel B Figure 14. Dual Configuration Example 2 DIMM 0 DIMM 1 DIMM 0 DIMM 1 34