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How to Add Memory (DIMMs)
Note –
Install DIMMs in Matched Part Number Pairs Only.
DIMMs must be installed in matched part number pairs. Matched part number pair DIMMs have the same size, the same speed, and the same manufacturer.
Installing DIMMs in Matched Part Number Pairs
•Inspect the label on the DIMMs to ensure the following:
•Same manufacturer
•Same part number
Install Larger Capacity DIMMs in Lower-Numbered Slots
Larger capacity DIMMs must be installed in
Installing Larger Capacity DIMMs in
1Remove smaller capacity DIMMs from
2Install smaller capacity DIMMs in the next available
For example:
If the server is configure with two 2 GB DIMMs in slots A0/B0 and you want to install two additional 4 GB DIMMs:
•Remove the two 2 GB DIMMs from slots A0/B0
•Install the two 4 GB DIMMs in slots A0/B0
•Install the two 2 GB DIMMs in slots C0/D0
2 Sun Fire X4150 Configuration Guide • March 2009