Installing And Removing Memory; Dual Configuration Example 1; Dual Configuration Example 2 - Intel D925XHY Product Manual

Intel Desktop Board D925XHY Product Guide

Installing and Removing Memory

CAUTION
To be fully compliant with all applicable Intel SDRAM memory specifications, the board requires
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/pcsdram/spec/
Desktop Board D925XHY has four 240-pin DIMM sockets arranged as DIMM 0 and DIMM 1 in
both Channel A and Channel B, as shown in Figure 16.
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 (see Figure 12) in DIMM 0 (blue) of both
channels A and B.
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 13).
32
1 GB, 400 MHz
1 GB, 400 MHz
Figure 12. Dual Configuration Example 1
256 MB, 400 MHz
512 MB, 400 MHz
256 MB, 400 MHz
512 MB, 400 MHz
Figure 13. Dual Configuration Example 2
Channel A
DIMM 0
DIMM 1
Channel B
DIMM 0
DIMM 1
Channel A
DIMM 0
DIMM 1
Channel B
DIMM 0
DIMM 1