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Chapter 4: Motherboard Connections
MCIO NVMe Connectors
MCIO NVMe connectors, located at P1_NVME 0~3 and P2_NVME 0~3, provide eight PCIe
5.0 x8 connections on the motherboard. P1_NVME 0~3 connections are supported by CPU1,
and P2_NVME 0~3 connections supported by CPU2. Use these MCIO connectors to support
high-speed PCIe storage devices.
Note: When installing an NVMe device on a motherboard, please be sure to connect the rst
NVMe port (P1_NVME0) rst for your system to work properly.
SATA 3.0 0~7 Ports
A SATA 3.0 header, located at JS1, supports eight SATA 3.0 connections (SATA0~7) on the
motherboard. These SATA 3.0 ports are supported by the Intel chipset. Connect a proper
SATA cable to JS1 to use SATA 3.0 connections.
Low-prole (LP) SIim SAS I/O Connector
A low-prole slim SAS I/O connector, located on JIO1, provides dedicated BMC LAN/USB/
VGA support on the rear side of the motherboard. Refer to the motherboard layout in Chapter
1 for the location of JIO1.
PCIe 3.0 M.2-H1/M.2-H2 Slots
Two PCIe 3.0/SATA3 Hybrid M.2 slots are located at M.2-H1 and M.2-H2 on the motherboard.
These M.2/SATA3 Hybrid slots support M.2 NVMe/SATA3 SSDs in the 2280 and 22110
form factors. To accommodate the 2280 and 22110 form factors, two M.2 mounting holes
(MH17/MH18) are provided on the motherboard. Use Mounting Hole MH17 for M.2-H2 slot
support, and MH18 for M.2-H1 slot support. M.2 allows for a variety of card sizes, increased
functionality, and spatial eciency. Refer to the motherboard layout in Chapter 1 for the
locations of the M.2/SATA3 Hyrbrid slots and the mounting holes.
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