Acnodes PCH 3591 - Manual (Page 18)

12. USB1/2
: (Double stack USB type A), Rear USB connector, it provides up to 4
USB2.0 ports, speed up to 480Mb/s.
13. AUDIO:
(2.0mm Pitch 2X6 Pin Header), Front Audio, An onboard Realtek
ALC662 codec is used to provide high-quality audio I/O ports. Line Out can be
connected to a headphone or amplifier. Line In is used for the connection of
external audio source via a Line in cable. MIC is the port for microphone input
audio.
Signal Name Pin# Pin# Signal Name
VCC(+5V) 1 2 Ground
LINE_OUT_L 3 4 LINE_OUT_
R
FRONT_JD 5 6 LINE1_JD
LINE_IN_L 7 8 LINE_IN_R
MIC_IN_L 9 10 MIC_IN_R
Ground 11 12 MIC1_JD
14. GPIO1:
(2.0mm Pitch 2x5 Pin Header),General-purpose input/output port, it
provides a group of self-programming interfaces to customers for flexible use.
Signal Name Pin# Pin# Signal Name
Ground 1 2 GPIO18_OUT
1
GPIO20_OUT
2 3 4 GPIO33_OUT
3
GPIO34_OUT
4 5 6 GPIO18_IN1
GPIO20_IN2 7 8 GPIO33_IN3
GPIO34_IN4 9 10 +5V