• If quad-rank DIMMs are installed for a processor, a maximum of two DIMMs can be installed on
ins quad-rank DIMMs, the quad-rank DIMM must be installed first on that channel.
are supported as indicated in the following table.
Pop t
(per a
k Speeds supported
(MHz)
each channel for that processor.
If a channel conta
DIMM speeds
ula ed slots Ran
ch nnel)
1 800, 1333, 1066 Single- or dual-rank
1 Quad-rank 800, 1066
2 le- or dual-rank 800, 1066 Sing
2 gle-, dual-, or quad-rank 800 Sin
Advanc
rations, observe the following guidelines:
idelines (on page 21).
ECC population order
For Advanced ECC mode configurations with a single processor, populate the DIMM slots in the following
order:
• IMM: Sequentially in alphabetical order (A through F)
equentially in alphabetical order (A through F).
Mult anced ECC population order
For Advanced ECC mode configurations with multiple processors, populate the DIMM slots for each
proc o
• UDIMM: Sequentially in alphabetical order (A through F).
lation guidelines
st
• Observ
nd 2 for each installed processor.
annel 3 for any processor.
• entical.
• ocessor must have a valid Lockstep Memory configuration.
ocessor may have a different valid Lockstep Memory
ed ECC population guidelines
For Advanced ECC mode configu
• Observe the general DIMM slot population gu
• DIMMs may be installed individually.
Single-processor Advanced
RD
• UDIMM: S
i-processor Adv
ess r in the following order:
• RDIMM: Sequentially in alphabetical order (A through F)
Lockstep Memory popu
For Lock ep memory mode configurations, observe the following guidelines:
e the general DIMM slot population guidelines (on page 21).
• Always install DIMMs in channels 1 a
• Do not install DIMMs in ch
DIMM configuration on channel 1 and channel 2 of a processor must be id
In multi-processor configurations, each pr
• urations, each pr In multi-processor config
configuration.
Hardware options installation 22
