AMD SB710 Manuel de l'utilisateur - Page 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
on
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
is
momentarily
ROW1 ROW2
ROW1 ROW2
Pin 1
Pin 1
24-Pin
20-Pin
24-pin power plug
9 9
PIN
ROW1
1
3.3V
3.3V
2
3.3V
-12V
3
GND
GND
4
5V
Soft Power On
5
GND
GND
6
5V
GND
7
GND
GND
8
Power OK
-5V
9
+5V (for Soft Logic)
+5V
10
+12V
+5V
11
+12V
+5V
12
+3V
GND
ROW2