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MCIO NVMe Connectors
The motherboard has four MCIO x8 connectors (EJNVME1 – 4) supported by the PLX
switches. Each of these connectors supports two PCIe 5.0 x4 NVMe connections.
Note: When connecting an NVMe device to the motherboard, please be sure to con-
nect the first NVMe port (EJNVME1) first for your system to work properly.
In addition, there are four MCIO x8 connectors supported by the CPUs. JMCIO1A and
JMCIO1B are supported by CPU1 while JMCIO2A and JMCIO2B are supported by CPU2.
These MCIO connectors are used to connect to side switch boards for expansions.
EJSW_3
EJSW_4
EJSW_5
EJSW_6
EJNIC1
P54V_JPWR1
PLX
PLX
Switch 1
Switch 2
2
1
JSWID2
5 6
JSWID1
BT1
JMCIO1A JMCIO1B
EJNVME1
EJNVME2
JNCSI1
BIOS LICENSE
CPU1
EJ21
JRK1
JL1
JNVI2C1
LED7 (TOP)
JNVVPP1
JM2_D
JPWR4
FAN1
EJSW_7
EJSW_8
EJNIC2
EJNIC3
EJSW_PWR2
EJNIC4
EJNIC5
EJNIC6
PLX
PLX
Switch 3
Switch 4
3
4
7 8
JMCIO2A JMCIO2B
EJNVME3
EJNVME4
BAR CODE
X13DEG-M
MAC CODE
REV:1.01
DESIGNED IN USA
CPU2
LED4 (BOTTOM)
ALWAYS POPULATE BLUE SOCKET FIRST
FST_110
FST_80
FAN2
FAN3
79
EJSW_9
EJSW_10
JSW1
12V
JPWR3
BMC
LEDBMC
JS1
JS2
JSSW2
PCH
JTPM1
JBT1
JFP2
JPWR5
FAN4
Chapter 2: Installation
1. EJNVME1
2. EJNVME2
3. EJNVME3
4. EJNVME4
5. JMCIO1A
6. JMCIO1B
7. JMCIO2A
8. JMCIO2B
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