Supermicro H13SSL-N - 2.8 Connectors

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Chapter 2: Installation
2.8 Connectors
Onboard Fan Headers (FAN-FAN4, Fan A, FAN B)
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)
12V 8-pin Auxilliary Power Connector (JPWR1, JPWR2)
JPWR1 and JPWR2 are 8-pin ATX power connectors that provide auxiliary power to the
processor. Refer to the table below for pin denitions.
12V 8-pin Power Connector
Pin Denitions
Pin# Denition
1 through 4 Ground
5 through 8 +12V
Main Power Supply Connector (JPWR3)
The primary power supply connector (JPWR3) is an ATX power connector that the power
supply plugs directly into.
ATX Power 24-pin Connector
Pin Denitions
Pin# Denition Pin# Denition
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 Ground 3 Ground
16 PS_ON 4 +5V
17 Ground 5 Ground
18 Ground 6 +5V
19 Ground 7 Ground
20 Res (NC) 8 PWR_OK
21 +5V 9 5VSB
22 +5V 10 +12V
23 +5V 11 +12V
24 Ground 12 +3.3V