loading DIMMs on other memory expansion boards, but the DIMMs must still follow the basic DIMM
load sequence.
◦ Load highest density DIMMs first.
◦ Load DIMMs in pairs by increasing letter.
• Mixed DIMM types are supported with the following qualifications:
◦ DIMMs with x4 and x8 modes can be mixed.
◦ DIMMs with different sizes can be mixed.
◦ DIMMs with different rows, columns, bank, and rank numbers can be mixed.
◦ Do not mix unbuffered DIMMs with registered DIMMs.
◦ A maximum of two unbuffered DIMMs per channel can be installed.
◦ If quad-rank DIMMs are installed for a processor, a maximum of two DIMMs can be installed on
each channel for that processor.
◦ If a channel contains quad-rank DIMMs, the quad-rank DIMM must be installed first on the channel.
• A maximum of 8 DIMMs are supported in a configuration with low line AC voltage and 2 processors.
For more information on power configurations, see
.
Installing DIMMs
Procedure
1.
Remove the access panel. See
2.
Lift the memory expansion board handle and remove the component.
3.
Install the DIMM.
Installing DIMMs
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