D3030 (BX920 S2)
Technical Manual
21
Main memory
3.2
Main memory
The system board supports up to 144 GB main memory. 9 slots for main
memory are available. Each slot can be populated with 2 GB, 4 GB, 8 GB or
16 GB single-, dual- or quad-ranked DIMM memory modules. The minimum
population is 1 DIMM in independent channel mode.
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 blade.
Configuration of the main memory
Figure 2: Main memory configuration
●
The memory modules are organized in 3 channels per CPU. CPU1 has 3
channels with 2 slots each (0 and 1) and CPU2 has 3 channels with 1 slot
each.
●
The channels A - C are controlled by CPU 1 and the channels D - F are
controlled by CPU 2.
●
x4 or x8 organized registered (RDIMMs) or unbuffered (UDIMMs) memory
modules with ECC are supported.
CPU 1
CPU 2
DIMM 2A
DIMM 1A
DIMM 2B
DIMM 1F
DIMM 1E
DIMM 1D
Front
Ch
a
nnel 2
Ch
a
nnel 1
Ch
a
nnel 0
DIMM 1B
DIMM 1C
DIMM 2C
Ch
a
nnel 0
Ch
a
nnel 1
Ch
a
nnel 2
S
lot 1
S
lot 0
S
lot 0
S
lot 0
S
lot 0
S
lot 1
S
lot 0
S
lot 0
S
lot 1