User`s manual

NANO830/831 Intel

Atom

D2550/N2600 Processor Nano-ITX Board

18 Board and Pin Assignments

System Reset Switch

Pin 11 and 12 connect the case-mounted reset

switch that reboots your computer

without turning off the power switch. It is a better way to reboot your system for a longer

life of system power supply.

HDD Activity LED

This connection is linked to hard drive activity LED on the contro

l panel. LED flashes

when HDD is being accessed. Pin 13 and 14 connect the hard disk drive to the front

panel HDD LED, pin 13 is assigned as cathode(-) and pin 14 is assigned as anode(+).

2.4.7 PCI-Express Mini Card Connector (CN7)

This is a PCI-Express Mini Card connector that supports PCI-Express x1 link and USB

2.0 link. A PCI-Express Mini Card can be applied to either PCI-Express or USB 2.0. It

complies with PCI-Express Mini Card Spec. V1.2.

Pin Signal Pin Signal

1 WAKE# 2 +3.3VSB

3 No use 4 GND

5 No use 6 +1.5V

7 CLKREQ# 8 No use

9 GND 10 No use

11 REFCLK- 12 No use

13 REFCLK+ 14 No use

15 GND 16 No use

17 No use 18 GND

19 No use 20 W_DISABLE#

21 GND 22 PERST#

23 PE_RXN3 24 +3.3VSB

25 PE_RXP3 26 GND

27 GND 28 +1.5V

29 GND 30 SMB_CLK

31 PE_TXN3 32 SMB_DATA

33 PE_TXP3 34 GND

35 GND 36 USB_D6-

37 GND 38 USB_D6+

39 +3.3VSB 40 GND

41 +3.3VSB 42 No use

43 GND 44 No use

45 No use 46 No use

47 No use 48 +1.5V

49 No use 50 GND

51 No use 52 +3.3VSB