Fujitsu PRIMERGY RX2540 M4 Upgrade And Maintenance Manual page 329

– Six channel DDR4 memory architecture (per CPU), 2 DIMMs per channel.
– 24 memory DIMM sockets R3 (12 per CPU).
– Supports RDIMM w/ ECC, LRDIMM, 3DS-LRDIMM.
– Supports DDR4 up to 2666 MT/s.
– Up to 1.5 TB per CPU using LRDIMM.
– Error detection and correction (ECC)s.
– Lockstep mode is not supported by BIOS on this platform.
– SDDC (single device data correction) for all single x4 DIMM failures.
– x8 DIMM SDDC requires lockstep mode, but lockstep mode is not
supported.
– Channel mirroring is supported within a CPU socket.
– HW memory scrubbing is supported.
– Rank Level Sparing is supported.
The notation of the CPUs, memory channels and DIMM sockets correspond to
the silk print on the system board.
On second CPU the memory channels are named G, H, J, K, L and M and
placed accordingly.
Figure 221: Memory slots of CPU 1
I
For system relevant information, see the hardware configurator of your
server available online at the following address:
http://ts.fujitsu.com/products/standard_servers/index.htm
For Japan:
http://www.fujitsu.com/jp/products/computing/servers/primergy/
RX2540 M4
Upgrade and Maintenance Manual
Main memory
329