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Chapter 3: Motherboard Connections
3.2 Headers and Connectors
Fan Header
There is one fan header with 4-pins on the motherboard. 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 BIOS. When using Thermal Management setting, please
use all 3-pin fans or all 4-pin fans.
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM Control
Front Panel Audio Header
A 10-pin front panel audio header located on the motherboard allows you to use the onboard
sound for audio playback. Connect an audio cable to this header to use this feature. Refer
to the table below for pin definitions.
Audio Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
Microphone_Left
2
Audio_Ground
3
Microphone_Right
4
Audio_Detect
5
Line_Out_Right
6
Ground
7
Jack_Detect
8
Key
9
Line_Out_Left
10
Ground
SATA Ports
The X11SWN-C motherboard has one I-SATA 3.0 ports. Refer to the table below for pin
definitions. SATA ports provide serial-link signal connections, which are faster than the
connections of Parallel ATA.
SATA 3.0 Port
Pin Definitions
Pin#
Signal
1
Ground
2
SATA_TXP
3
SATA_TXN
4
Ground
5
SATA_RXN
6
SATA_RXP
7
Ground