32
H12SSW-iN/NT Motherboard User's Manual
J19
H12SSW-iN
MEGERAC LICENSE
MAC CODE
IPMI CODE
BAR CODE
BT1
+
MH15
JSXB2
+
JTPM1
1
2
JUSBA1
4
1
5
9
JF1
1
2
JSD2
1
3
JSD1
1
3
1
JNCSI1
JUSBRJ45
LED6
A
C
LED1
LED11
LED12
LED10
LED13
JDB2
JDB1
JWD1
JPL1
JPG1
JUART2
JPB1
1
3
JUART3
JHDT1
JFPGA_SW1
2
7
8
JVRM1
JSLIM3
B1
JSLIM2
JSLIM1
1 2 3
FAN6
FAN5
FAN4
FAN3
FAN2
FAN1
1
JOH1
JL1
JPWR2
4
1
2
3
JIPMB1
JSXB1B
JPWR1
JBT1
MH4
MH17
JSXB1A
JSXB1C
MH8
MH6
MH9
SXB1C
SXB1B: PCI-E 4.0 X16 + X16
SXB1A
SXB2: PCI-E 4.0 X16
1-2:RST
2-3:NMI
JWD1:WATCH DOG
CMOS CLEAR
1-2:NORMAL
2-3:BIOS RECOVERY
JDB1
:OH-LED
SATA16
SATA17
SATA8-15
SATA0-7
NVME4/5
NVME2/3
NVME0/1
USB5/6(3.0)
SUPERDOM
+
CPU_PORT2A
CPU_PORT1A
CPU_PORT1C
UID-SW
UID-LED
BATTERY
DIMMB1
DIMMC1
DIMMD1
VGA
DIMMA1
DIMMG1
DIMME1
DIMMF1
DIMMH1
JPB1:BMC
1-2:ENABLE
2-3:DISABLE
2-3:DISABLE
1-2:ENABLE
JPG1:VGA
BMC
M.2-HC2
CPU PCI_E 4.0 X2
M.2-HC1
CPU PCI-E 4.0 X4/X2
M.2-HC2 ACT
M.2-HC1 ACT
M.2-HC1 ERR
BUZZER
M.2-HC2 ERR
USB4(3.0)
JPL1/LAN
2-3:DISABLE
1-2:ENABLE
JCPLD1
1
5
LAN2
LAN1
JCOM1
COM1
(3.0)
USB2/3
(3.0)
USB0/1
IPMI_LAN
CPU
Figure 2-2. DIMM Numbering
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.
• -
mended.
CPU
DIMM E1
DIMM F1
DIMM G1
DIMM H1
*NOTE: Most congurations populating fewer than eight channels are supported, but not recommended.
The Processor and its Memory Module Distribution
CPU# Channel
D1 C1 B1 A1 E1 F1 G1 H1
1 DIMM (Supported, Not Recommended)
CPU1
ü
2 DIMMs (Supported, Not Recommended)
CPU1
ü ü
4 DIMMs
CPU1
ü ü ü ü
6 DIMMs
CPU1 Unbalanced, not recommended
8 DIMMs
CPU1
ü ü ü ü ü ü ü ü
DIMM B1
DIMM A1
DIMM D1
DIMM C1
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