8
Chapter 3
Connectors and Headers
3-1 I/O Back Panel Connectors
(1) PS/2 Mouse & PS/2 Keyboard Connector: KB1
The connector is for PS/2 keyboard and PS/2 Mouse.
(2) USB Port connector: USB ports from USB4 &ULI
The connectors are 4-pin connector that connects USB devices to the system
board.
(3) D-Sub 15-pin Connector: VGA
VGA is the 15-pin D-Subminiature female connector; it is for the display devices,
such as the CRT monitor, LCD monitor and so on.
(4) LAN Port connector: RJ-45 LAN port from UL1
This connector is standard RJ-45 connector for Network. The LAN support
10M/100Mb data transfer rate.
(5) Audio Line-In, Lin-Out, MIC Connector: CN1
This Connector is 3 phones Jack for LINE-OUT, LINE-IN, and MIC Audio
connectors
Line-in:
(BLUE)
Audio input to sound chip
Line-out: (GREEN)
Audio output to speaker
MIC:
(PINK)
Microphone Connector
3-2 Motherboard Internal Connectors
(1) Power Connector (24-pin block): ATXPWR
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 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 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.
PS/2 Mouse Port
PS/2 Keyboard Port
RJ-45 LAN Port
VGA Port
Line-IN
Line-OUT
MIC-IN
USB Ports
USB Ports