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Acer AR380 F2 specifications
RDIMM, maximum two DIMMs per channel is supported.
NOTE: Populate the memory of CPU2 to same as CPU1.
NOTE: support depends on 16GB DIMM availability
Mirroring mode:
•
For mirroring mode, the memory image in channel A is maintained the same as channel C and channel
B is maintained the same as channel D. Therefore, the effective size of memory is reduced by at least
one-half.
•
The DIMM configuration in mirrored channels must be identical. Channel A & channel C with identical
DIMMs and also channel B & channel D with identical DIMMs. The DIMM type, size, manufacturer
should be the same.
•
Same rule is applied to the CPU2
•
3 DIMM per channel is only supported by single rank and dual rank RDIMM.
•
For UDIMM and quad rank RDIMM, maximum two DIMMs per channel.
Lockstep mode:
•
Channel A and channel B are paired and channel C and channel D are paired in lockstep mode.
•
Lockstep mode is the only mode to support x8 SDDC.
•
Lockstep channels must be populated identically. Channel A & channel B with identical DIMMs and
also channel C &channel D with identical DIMMs. The DIMM type, size, manufacturer should be the
same.
•
Same rule is applied to the CPU2.
•
3 DIMM per channel is only supported by single rank and dual rank RDIMM.
•
For UDIMM and quad rank RDIMM, maximum two DIMMs per channel.
Rank Sparing mode:
•
An unused spare rank is reserved on each channel. The spare rank is used to copy the contents of a
failing rank on the channel to keep a system working when a rank starts to fail. The reserved rank is
not able to be used before the other rank fail.
•
3 DIMM per channel is only supported by single rank and dual rank RDIMM.
•
For UDIMM and quad rank RDIMM, maximum two DIMMs per channel.
•
For 1 DIMM per channel configuration, only quad rank RDIMM is supported for rank sparing.
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