Supermicro H12SSW-NT - Connectors

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Chapter 2: Installation
2.7 Connectors
Onboard Fan Headers (FAN1~FAN6)
There are six fan headers on the motherboard. These are 4-pin fan headers; pins 1-3 are
backward compatible with traditional 3-pin fans. The onboard fan speeds are controlled
by Thermal Management (via Hardware Monitoring) in the BMC. When using Thermal
Management setting, please use all 4-pin fans.
Fan Header
Pin Denitions
Pin# Denition
1 Ground (Black)
2 +12V (Red)
3 Tachometer (Yellow)
4 PWM Control (Blue)
Disk-On-Module Power Connector (JSD1 & JSD2)
The Disk-On-Module (DOM) power connector at JSD1 provides 5V power to a solid-state DOM
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DOM Power
Pin Denitions
Pin# Denition
1 5V
2 Ground
3 Ground
SATA (SATA0, SATA1)
The H12SSW-iN/NT has two available SATA 3.0 ports (SATA0 and SATA1) on the motherboard.
These are standard SATA 3.0 ports.
SATA Connectors
Pin Denitions
Pin# Signal
1 Ground
2 SATA_TXP
3 SATA_TXN
4 Ground
5 SATA_RXN
6 SATA_RXP
7 Ground