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Chapter 4: Motherboard Connections
Power SMB (I²C) Header
The Power System Management Bus (I²C) connector JPI²C1) monitors the power supply, fan,
Power SMB Header
Pin Denitions
Pin# Denition
1 Clock
2 Data
3 PMBUS_Alert
4 Ground
5 +3.3V
BMC External I
2
C Header
A System Management Bus header for IPMI 2.0 is located at JI2C_EXP1. Connect the
appropriate cable here to use the IPMI connection on your system. Refer to the table below
External I
2
C Header
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock
4 P3V3 STBY
SATA Ports
Eight SATA 3.0 ports are located on the motherboard and supported by the chipset. These
SATA ports support RAID 0, 1, 5, and 10. In addition, there are also two S-SATA ports
(S-SATA0, S-SATA1) that include SATA DOM power.
Note
Intel SATA HostRAID user's guide posted on our website at http://www.supermicro.com.
M.2 Slot
The motherboard has one M.2 slot. M.2 was formerly known as Next Generation Form Factor
(NGFF) and serves to replace mini PCIe. M.2 allows for a variety of card sizes, increased
x4/SATA3 SSD cards in the 2280 and 22110 form factors.
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