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H12SSW-iN/NT Motherboard User's Manual
DIMM Module Population
When populating the motherboard with DIMM modules, please keep in mind the following:
•
Always use DDR4 DIMM modules of the same type, size and speed.
+
•
All eight memory channels per CPU socket should be populated with each channel having
equal capacity. This enables the memory subsystem to operate in eight-way interleaving
mode, which should provide the best performance in most cases.
•
In most configurations, populating fewer than eight channels is supported, but not recom-
mended.
SXB1C
JSLIM2
DIMM A1
JVRM1
DIMM B1
MH9
DIMM C1
DIMM D1
JL1
CPU#
CPU1
CPU1
CPU1
CPU1
CPU1
*NOTE: Most configurations populating fewer than eight channels are supported, but not recommended.
BT1
BATTERY
+
MH4
MH17
MH15
BAR CODE
H12SSW-iN
MH6
MAC CODE
CPU
FAN4
Figure 2-2. DIMM Numbering
MH8
The Processor and its Memory Module Distribution
D1
C1
B1
1 DIMM (Supported, Not Recommended)
ü
2 DIMMs (Supported, Not Recommended)
ü
ü
ü
ü
Unbalanced, not recommended
ü
ü
ü
32
IPMI_LAN
JPG1:VGA
1-2:ENABLE
JNCSI1
2-3:DISABLE
BMC
1
3
JPB1:BMC
1-2:ENABLE
2-3:DISABLE
LED13
M.2-HC2
CPU PCI_E 4.0 X2
CPU PCI-E 4.0 X4/X2
M.2-HC1
CPU
FAN3
Channel
A1
E1
F1
G1
4 DIMMs
ü
6 DIMMs
8 DIMMs
ü
ü
ü
ü
2
JPL1
A
7
8
C
JFPGA_SW1
1
1
3
3
1
2
M.2-HC2 ACT
USB4(3.0)
LED12
5
4
9
1
JUSBA1
2
1
M.2-HC1 ACT
LED10
+
1
JF1
DIMM E1
DIMM F1
DIMM G1
DIMM H1
1
5
FAN2
H1
ü
ü
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