AXIOMTEK PICO300, User Manual, Page: 87 / 96

PICO300 Pico-ITX Board
I/O Boards (Optional) 81
A.18.2 Low Speed IO Connector (CN3)
This is a 39-pin connector which is compliant with AMP 4-1734507-0 for low speed
signal interface consisting of a set of HD Audio, four USB 2.0 ports, power/reset button
and power/HDD LED indicator signals.
2 38
1 39
Pin Signal Pin Signal
1 MIC 2 LINE_OUT_L
3 LINE_IN_L 4 LINE_OUT_R
5 LINE_IN_R 6 AUDIO_GND
7 AUDIO_GND 8 GND
9 GND 10 GND
11
USB_VCC
(+5V level )
12
USB_VCC
(+5V level )
13 USB_Data0- 14 USB_Data1-
15 US 16 US
17 GND 18 GND
19 GND 20 GND
21
USB_VCC
(+5V level )
22
USB_VCC
(+5V level )
23 USB_Data2- 24 USB_Data3-
25 US 26 US
27 GND 28 GND
29 GND 30 GND
31 +V5S 32 SIO_PSIN#
33 HW_RESET# 34 GND
35 +V5S 36 NA
37 HDD_LED 38 NA
39 GND