Supermicro SuperServer E403-9P-FN2T - Headers and Connectors

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Chapter 3: Motherboard Connections
3.2 Headers and Connectors
Fan Headers
There are seven fan headers on the motherboard. These are 4-pin fan headers, although pins
1-3 are backward compatible with traditional 3-pin fans. Four-pin fans allow fan speeds to be
controlled by Thermal Management in IPMI. When using the Thermal Management setting,
use all 3-pin fans or all 4-pin fans.
Fan Header
Pin Denitions
Pin# Denition
1 Ground (Black)
2 +12V (Red)
3 Tachometer
4 PWM Control
SGPIO Header
I-SGPIO1, I-SGPIO2 and S-SGPIO1 (Serial General Purpose Input/Output) headers are used
to communicate with the enclosure management chip on the backplane.
SGPIO Header
Pin Denitions
Pin# Denition Pin# Denition
1 NC 2 NC
3 Ground 4 DATA Out
5 Load 6 Ground
7 Clock 8 NC
NC = No Connection
Disk-On-Module Power Connector
The Disk-On-Module (DOM) power connectors at JSD1 and JSD2 provide 5V power to a
solid-state DOM storage devices connected to one of the SATA ports.
DOM Power
Pin Denitions
Pin# Denition
1 5V
2 Ground
3 Ground