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2.7 Connectors
Power Connectors
PSU1 and PSU2 Power Connectors
Two SMCI-proprietary power supply units (PSU1/PSU2) are located on the motherboard to
provide main power supply to your system.
HDD Power Connectors
Four 8-pin HDD backplane power connectors (JPW1 - JPW4) are used to provide power to
hard drives and other backplane devices. See the table below for pin defi nitions.
12V 8-pin Backplane Power
Connector Pin Defi nitions
Pins
Defi nition
1 through 4
Ground
5/6
+12V
7/8
+5V
JF1
VPP_CPU2
JNVI2C2
LE2
JF2
GPU
JGPW3
JL1
NVME12
P2_NVMe1
NVME13
P2_NVMe2
FAN8
VGA
COM1
IPMI_LAN
SXB2
LEDM1
BMC
JLAN1
SXB1-1
SXB1_2
BIOS
JSDCARD1
PCH_PORT1
JPME1
JBT1
CPU2
_DMI
PCH
U45
BT1
SP1
SXB1_3
JSD1
JSD2
X11DPU-XLL
REV:1.02
BAR CODE
DESIGNED IN USA
CPU2
FAN7
FAN6
FAN5
47
1. PSU1 (Power Supply 1)
2. PSU2 (Power Supply 2)
3. JPW1 (Backplane Power 1)
4. JPW2 (Backplane Power 2)
USB0/1(3.0)
5. JPW3 (Backplane Power 3)
6 JPW4 (Backplane Power 4)
JP2
JRK1
RAID KEY-1
2
PSU2
JNVI2C1
NVME 10 NVME11
P1_NVMe1
P1_NVMe2
VPP_CPU1
BIOS
LICENSE
IPMI CODE
CPU1
FAN4
FAN3
Chapter 2: Installation
1
PSU1
4
3
6
5
FAN2
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