Private bug reported:
Multiplexed Combined Ranked DIMM (MR/MCR DIMM known as Intel Monument
Creek DIMM)
MCR/MRDIMM presents as main memory. There is no special method of
access or firmware or unique features. The novelty is that IO to the
device is streamed at ~2X bandwidth and buffered/interleaved within the
device to maintain throughput. To an OS, it should just look like an
RDIMM for purposes of access and use.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Information type changed from Public to Private
** Description changed:
Multiplexed Combined Ranked DIMM (MR/MCR DIMM known as Intel Monument
Creek DIMM)
+
+ MCR/MRDIMM presents as main memory. There is no special method of
+ access or firmware or unique features. The novelty is that IO to the
+ device is streamed at ~2X bandwidth and buffered/interleaved within the
+ device to maintain throughput. To an OS, it should just look like an
+ RDIMM for purposes of access and use.
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https://bugs.launchpad.net/bugs/2051283
Title:
Include Support for MCR DIMM in Ubuntu 24.04
Status in linux package in Ubuntu:
New
Bug description:
Multiplexed Combined Ranked DIMM (MR/MCR DIMM known as Intel Monument
Creek DIMM)
MCR/MRDIMM presents as main memory. There is no special method of
access or firmware or unique features. The novelty is that IO to the
device is streamed at ~2X bandwidth and buffered/interleaved within
the device to maintain throughput. To an OS, it should just look like
an RDIMM for purposes of access and use.
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