13
2-6 Connectors and pin headers
2-6-1 Connectors
(1) Power Connector (20-pin block) : ATXPOW
ATX Power Supply connector. This is a new defined 20-pins connector that usually
comes with ATX case. The ATX Power Supply allows to use soft power on momentary
switch that 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 turns 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.
PIN
ROW2 ROW1
1 3.3V
3.3V
2 -12V
3.3V
3 GND
GND
4 Soft Power On 5V
5 GND
GND
6 GND
5V
7 GND
GND
8 -5V
Power OK
9 +5V
+5V (for Soft Logic)
10 +5V
+12V
(2) PS/2 Mouse & PS/2 Keyboard Connector: J1
The connectors for PS/2 keyboard and PS/2 Mouse.
(3) USB Port connector: USB/J2
The connectors are 4-pin connector that connect USB devices to the system board.
(4) LAN Port connector: LAN (only for V880DAS)
This connector is standard RJ45 connector for Network
(5) Audio Connector : CN1
This Connector are 3 phone Jack for LINE-OUT, LINE-IN, MIC
Line-out :
Audio output to speaker
Line-in :
Audio input to sound chip
MIC :
Microphone
Connector
(6) Serial Port COM1 Connector: COM1
COM1 is the 9-pin D-Subminiature mail connector. The On-board serial port can be
disabled through BIOS SETUP. Please refer to Chapter 3 “INTEGRATED PERIPHERALS
SETUP” section for more detail information.
Pin 1