Memory Loading Rules And Guidelines - HP AB464-9003F Service Manual

Figure 27 48-DIMM Memory Carrier Board Slot IDs

Memory Loading Rules and Guidelines

Use the following rules and guidelines when installing memory:
Install DIMMs in quads.
Ensure that all DIMMs within a quad are identical.
Install quads in order of capacity from largest to smallest. For example, install all 2 GB quads
before 1 GB or smaller quads, and install all 1 GB quads before 512 MB quads.
Side 0 must have equal or greater memory capacity than side 1.
Install DIMM quads based on the following rules:
1. Load quads into either side of the memory carrier in order, starting with quad 0 and
ending with quad 5.
2. Install the first quad in side 0, quad 0.
3. Install the second quad in side 1, quad 0.
4. For the remaining quads:
Installing Additional Components 61