Memory Pairs; Memory Loading Rules And Guidelines; Installing Memory - HP Integrity rx2660 User's & Service Manual

Memory Pairs

When installing memory, use a minimum of one pair of like-sized DIMMs. You can install additional
DIMMs later. Install DIMMs into the appropriate slots on the system board; each slot has a unique
ID.
Figure 19 Memory Location and DIMM Slot IDs
CAUTION:
Do not mix DIMM sizes or types within a pair.
Load DIMM pairs in order of size from largest to smallest. For example, if you have a pair of
4 GB DIMMs and a pair of 1 GB DIMMs, install the pair of 4 GB DIMMs first.
Table 22 Memory Load Order
Pair Number

Memory Loading Rules and Guidelines

Use the following rules and guidelines when installing memory:
Install DIMMs in pairs
Ensure that DIMMs within a pair are identical
Install DIMM pairs in order of size from largest to smallest
Install DIMM pairs in the specified order shown in

Installing Memory

To install memory:
1. Remove the top cover from the server. See
2. Remove the airflow guide. See
Failure to observe the following cautions results in system degradation or failure:
Memory Slots
1
2
3
4
0A; 0B
1A; 1B
2A; 2B
3A; 3B
Table 22
"Removing the Top Cover" (page
"Removing the Airflow Guide" (page
46).
47).
Installing Additional Components 49