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4-9
PCIe Slots and SATA
PCI-Express x16
There are two PCIe 3.0 x16 slots on the motherboard. Slot 1 is supported by CPU1
and Slot 2 is supported by CPU2.
PCI-Express x4
There are two PCIe 3.0 x4 slots supported by CPU1. They are located at JF2 and
SXB1. SXB1 is used for I-SATA0~5 and S-SATA0~2.
PCI-Express x24
A PCIe 3.0 x24 slot supported by CPU2 is located at SXB2.
Powered SATA DOM (SuperDOM)
A SATA DOM (Device - on- Disk) is
located at S-SATA3 on the motherboard.
S-SATA3 is used with a Supermicro
SuperDOM, which is a yellow SATA
DOM connector with a power pin built in,
and no external power supply is needed.
Supermicro SuperDOM is backward-
compatible with a regular SATA HDD
or SATA DOM that requires an external
power supply.
Chapter 4: Advanced Motherboard Setup
SATA DOM Power
Pin Definitions
Pin#
1
2
3
4
5
6
7
8
9
4-19
Signal
Ground
SATA_TXP
SATA_TXN
Ground
SATA_RXN
SATA_RXP
Ground
+5V
Ground
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