AMD SB710 Посібник користувача - Сторінка 12

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Connectors, Headers & Jumper Setting

3-1 Connectors

(1)

Power Connector (24-pin block): ATXPWR1

ATX Power Supply connector:

This is a new defined 24-pins

connector that usually comes

with ATX case. The ATX Power

Supply allows using soft power

momentary

connect from the front panel

switch to 2-pins Power On jumper

pole on the motherboard. When

the power switch on the back of

the ATX power supply turned on,

the full power will not come into

the system board until the front

panel

switch

pressed. Press this switch again will turn off the power to the system board.

** We recommend that you use an ATX 12V Specification 2.0-compliant power

supply unit (PSU) with a minimum of 350W power rating. This type has 24-pin

and 4-pin power plugs.

** If you intend to use a PSU with 20-pin and 4-pin power plugs, make sure that the

20-pin power plug can provide at least 15A on +12V and the power supply unit

has a minimum power rating of 350W. The system may become unstable or may

not boot up if the power is inadequate.

20-pin power plug

(2)ATX 12V Power Connector (4-pin block): ATX12V

This is a new defined 4-pins connector that usually comes with ATX Power

Supply. The ATX Power Supply which fully supports Socket AM2/AM2+/AM3

processor must including this connector for support extra 12V voltage to

maintain system power consumption. Without this connector might cause

system unstable because the power supply can not provide sufficient current for

system.

Chapter 3

switch

that

momentarily

ROW1 ROW2

Pin 1

24-Pin

20-Pin

24-pin power plug

9 9

ROW1

3.3V

-12V

GND

Soft Power On

GND

Power OK

-5V

+5V (for Soft Logic)

+5V

+12V

+5V

+12V

+5V

+3V

GND

ROW2