User`s manual
NANO830/831 Intel
®
Atom
TM
D2550/N2600 Processor Nano-ITX Board
20 Board and Pin Assignments
LAN
USB
2.4.12 Ethernet and USB Port Stacks (CN12 and CN13)
The board has two RJ-45 connectors. Ethernet connection can be established by
plugging one end of the ethernet cable into this RJ-45 connector and the other end
(phone jack) to a 1000/100/10-Base-T hub.
The lower Universal Serial Bus (compliant with USB 2.0 (480Mbps)) connector on the
rea
r I/O are for installing USB peripherals such as keyboard, mouse, scanner, etc.
Note that the CN12 carries ethernet port
1, USB port 0 and USB port 1, while the CN13
carries ethernet port 2, USB port 2 and USB port 3.
2.4.13 VGA Connector (CN14)
The CN14 is a high rise 15-pin D-Sub connector which is commonly used for CRT VGA
monitor. This VGA interface configuration can be configured via software utility.
Pin LAN Signal Pin LAN Signal
L1 MDI0+ L5 MDI2-
L2 MDI0- L6 MDI1-
L3 MDI1+ L7 MDI3+
L4 MDI2+ L8 MDI3-
A 100 LAN LED (Green) / 1000 LAN LED (Orange)
B Active LED (Yellow)
Pin USB Port 0 Pin USB Port 1
1 USB VCC (+5V level) 5 USB VCC (+5V level)
2 USB #0_D- 6 USB #1_D-
3 USB #0_D+ 7 USB #1_D+
4 GND 8 GND
Pin USB Port 2 Pin USB Port 3
1 USB VCC (+5V level) 5 USB VCC (+5V level)
2 USB #2_D- 6 USB #3_D-
3 USB #2_D+ 7 USB #3_D+
4 GND 8 GND
Pin Signal Pin Signal
1 Red 2 Green
3 Blue 4 N.C.
5 GND 6 DETECT
7 GND 8 GND
9 VCC 10 GND
11 N.C. 12 DDC DATA
13 Horizontal Sync 14 Vertical Sync
15 DDC CLK