Supermicro SuperServer E300-9A - Page 31

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Chapter 3 Motherboard Connections
Power SMB (I
2
C) Header
Power System Management Bus (I
2
C) header at JPI
2
C1 monitors the power supply, fan and
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Power SMB Header
Pin Denitions
Pin# Denition
1 Clock
2 Data
3 Power Fail
4 Ground
5 NC
JLANLED1
JLANLED1 is the activity header for LAN 3 and LAN4.
SATA Ports
The A2SDi-TP8F/LN4F has four SATA 3.0 ports that are supported by the Intel Atom C3000
SoC.
Mini PCI-E Slot
JMP1 is a mini PCI-E 3.0 X1 slot that is mux with I-SATA5.
M.2 Socket
The JMD1 M.2 socket is designed for internal mounting devices. This motherboard deploys
an M Key 2242/80 dedicated for SSD devices with the ultimate performance capability in a
PCI Express 3.0 X4 interface for native PCIe SSD support. The A2SDi-TP8F/LN4F M.2 is
mux with the I-SATA4 port for legacy SATA SSD devices.
SMBus Header
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock
4 No Connection
System Management Bus Header
A System Management Bus header for additional slave devices or sensors is located at
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