D2860 (BX920)
Technical Manual
17
Features
Main memory
3.2
Main memory
The system board supports up to 72 GB main memory. 9 slots for main memory
are available. Each slot can be populated with 2 GB, 4 GB or 8 GB single-, dual-
or quad-ranked DIMM memory modules.The minimum population in the
independent channel mode is 1 DIMM.
ECC with memory scrubbing and with the Single Device Data Correction
(SDDC) function is supported.
I
You will find the descriptions how to install memory modules in the
Options Guide of your server.
Module population
Figure 2: Assembly of the main memory in channels and slots
The arrows in
figure 2
show the direction of the population of the memory slots.
This direction is only valid for the Independent Channel Modus. For Mirrored
and Spare Channel Modus other directions of the population are valid.
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The memory modules are organized in 3 channels (A - F) per CPU. CPU1
has 3 channels with 2 slots each (1-2) and CPU2 has 3 channels with 1 slot
each (1).
CPU 1
CPU 2
DIMM 2A
DIMM 1A
DIMM 2B
DIMM 1F
DIMM 1E
DIMM 1D
DIMM 1B
DIMM 1C
DIMM 2C
Channel F
Channel C
Channel D
Channel A
Channel E
Channel B