AMD 740G Manuel de l'utilisateur - Page 9

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AMD 740G Manuel de l'utilisateur
Connectors, Headers & Jumpers Setting

3-1 Connectors

(1)
Power
Connector
ATXPWR1
ATX
Power
This is a new defined 24-pins
connector that usually comes with
ATX case. The ATX Power Supply
allows
using
momentary switch that connect from
the front panel switch to 2-pins
Power On jumper pole on the
motherboard.
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 is momentarily 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.
(2)
ATX 12V Power Connector (8-pin block) : ATX12V
This is a new defined 8-pins connector that usually comes with
ATX Power Supply. The ATX Power Supply which fully
supports AM2 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.
(3)
PS/2 Mouse & PS/2 Keyboard Connector: KB
The connectors are for PS/2 keyboard and PS/2 Mouse
(4)
USB Port connector: from CN5/ UL2
The connectors are 4-pin connectors that connect USB devices to the system board.
(5) LAN Port connector: from UL2
This connector is standard RJ45 connector for Network.
10M/100Mb/1000Mb s data transfer rate.
(6) Audio Line-In, Lin-Out, MIC Connector: CN3
This Connector are 3 phone Jack for LINE-OUT, LINE-IN, MIC.
Line-in : (BLUE)
Line-out : (GREEN)
MIC : (PINK)
(24-pinblock):
Supply
connector:
soft
power
on
When the power
Audio input to sound chip
Audio output to speaker
Microphone Connector
Chapter 3
ROW1 ROW2
ROW1 ROW2
Pin 1
Pin 1
24-Pin
20-Pin
7
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
The
connector
ROW2
support