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4 rear panel i/o ports – Intel Arima LH500 User Manual

Page 38

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2.6.4 Rear Panel I/O ports

The following illustration displays the motherboard I/O port array.



Type of Port

Function

PS/2 Mouse connector

The system will direct IRQ12 to the PS/2 mouse if
one is detected. If not detected, IRQ12 can be used
for expansion slot.

PS/2 Keyboard connector

This connection is for a standard keyboard using a
PS/2 plug (mini DIN). This connector will not
allow standard AT size (large DIN) keyboard
plugs. You may use a DIN to mini DIN adapter on
standard AT keyboards.

USB Port 1 & 2

Two external USB 2.0 ports that allow
simultaneous connections of 2 USB devices.

Serial Port connector (9-pin male)

This serial port can be used for pointing devices or
other serial devices. See BIOS setup.

VGA connector (15-pin female)

The VGA port connects display devices such as a
monitor. See the BIOS setup.

Gigabit Ethernet Port 1 & 2

These ports are RJ-45. The motherboard uses Intel
82546GB Anvik2 dual channel Gigabit Ethernet
Controller, depending on the manufacturing option.