CHAPTER 2

HARDWARE INSTALLATION

 

 

2.8 Power Supply

2.8-1 ATX 20-pin Power Connector: JPWR1

This connector supports the power button on-board. Using the ATX power supply, functions such as Modem Ring Wake-Up and Soft Power Off are supported by this mainboard.

10

1

20

ATX

Power Connector

11

PIN DEFINITION

 

PIN

SIGNAL

PIN

SIGNAL

 

 

1

3.3V

11

3.3V

 

 

2

3.3V

12

-12V

 

 

3

GND

13

GND

 

 

4

5V

14

PS_ON

 

 

5

GND

15

GND

 

 

6

5V

16

GND

 

 

7

GND

17

GND

 

 

8

PW_OK

18

-5V

 

 

9

5V_SB

19

5V

 

 

10

12V

20

5V

 

 

 

 

 

 

 

2-27

Page 32
Image 32
Intel MS-6112 manual Power Supply, ATX 20-pin Power Connector JPWR1