beautypg.com

Chapter 2 – DFI Q7X-151 User Manual

Page 23

background image

www.dfi .com

Chapter 2 Hardware Installation

23

Chapter 2

LPC Debug connector

LPC

1

2

11

12

The LPC connector is used for the debug function and its pin functions are listed below.

Pins

Pin Assignment

Pins

Pin Assignment

1

CLK

2

LAD1

3

RST#

4

LAD0

5

FRAME#

6

VCC_+3V

7

LAD3

8

GND

9

LAD2

10

NC

11

SERIRQ

12

CLK_48MHz

SMBus Connector

The SMBus (System Management Bus) connectors are used to connect the SMBus device. It is

a multiple device bus that allows multiple chips to connect to the same bus and enable each

one to act as a master by initiating data transfer.

SMBus

GND

NC

SMB_DATA

SMB_CLK

SMB_ALERT

+3.3V_Standby

1

2

5

6