Installation Instructions
· 16 ·
EC3-1820V2NA
2.11 Audio Port
This board provides one 2×5Pin audio port (pitch: 2.0mm).
Pin
Signal Name
Pin
Signal Name
1 LOUT_R 2 LOUT_L
3 GND_AUDIO 4 GND_AUDIO
5 LIN_R 6 LIN_L
7 GND_AUDIO 8 GND_AUDIO
AUDIO1
9 MIC_L 10 MIC_R
2.12 Keyboard/Mouse Port
This board provides one 2×4Pin PS/2 keyboard/mouse port (pitch: 2.0mm).
Pin
Signal Name
Pin
Signal Name
1 KB_DATA 2 MS_DATA
3 KB_CLK 4 MS_CLK
5 GND 6 GND
KM1
7 +5V 8 +5V
2.13 SATA Interface
This motherboard provides one single-layer SATA interface. Its pin definition is as
follows:
Pin
Signal Name
Pin
Signal Name
1 GND 5
SATA_RX-
2 6
3 SATA_TX- 7
GND
SATA1
4 GND
