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(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 support Pentium 4 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 CN1, UL1
The connectors are 4-pin connectors that connect USB devices to the system board.
(5) LAN Port connector: from UL1
This connector is standard RJ-45 connector for Network
The USBLAN1 support 10M/100Mb/1000Mb s data transfer rate
ROW1 ROW2
ROW1 ROW2
Pin 1
Pin 1
24-Pin
20-Pin
Pin 1
13
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
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