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2-6 Connectors and pin headers
2-6-1 Connectors
(1) Power Connector (20-pin block) : ATX
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: PS2KBMS1
The connectors for PS/2 keyboard and PS/2 Mouse.
(3) USB Port connector: USB/USB1
The connectors are 4-pin connector that connect USB devices to the system board.
(4) LAN Port connector: LAN (only for V881DAS)
This connector is standard RJ45 connector for Network
(5) Audio Connector : CN1(AUDIO)
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/COM2 Connector: COM1/COM2
COM1/COM2 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
