AXIOMTEK PICO840, User Manual

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PICO840/842 Pico-ITX Board
AX93283 I/O Board 29
The pin assignments of CN10 are given as follows.
1 19
2 20
Note
Please gently insert CN9 and CN10 into CN12 and CN13 of PICO840/842.
3.5.7 USB Connectors (USB1 and USB2)
The board comes with two double-deck Universal Serial Bus (compliant with USB 2.0
(480Mbps)) connectors on the rear I/O which are for installing USB peripherals such as
keyboard, mouse, scanner, etc.
1 2 3 4
5 6 7 8
3.5.8 Power and HDD LED Indicator (D1)
The red LED is linked to Hard Disk Drive (HDD) activity signal. LED flashes every time
when HDD is accessed.
The power LED (green) lights up and remain steady while the system is powered on.
Pin Signal Pin Signal
1 DCD2 2 DSR2
3 RXD2 4 RTS2
5 TXD2 6 CTS2
7 DTR2 8 RI2
9 GND 10 +5V
11 DCD1 12 DSR1
13 RXD1 14 RTS1
15 TXD1 16 CTS1
17 DTR1 18 RI1
19 GND 20 +5V
Pin Signal Pin Signal
1 +5V 5 +5V
2 USB1/3_DATA- 6 USB2/4_DATA-
3 USB1/ 7 USB2/
4 GND 8 GND
LED Color Description
Red Hard disk drive activity
Green Power on/off