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3-10 Chapter 3: Motherboard Information
3.3 Connectors
3.3.1 Rear panel connectors
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56 4 37
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1. PS/2 mouse port (green). This port is for a PS/2 mouse.
2. Parallel port. This 25-pin port connects a parallel printer, a scanner, or
other devices.
3. Gigabit LAN1 (RJ-45) port. This ports allow Gigabit connection to a
Local Area Network (LAN) through a network hub. Refer to the table
below for the LAN port LED indications.
4. VGA port. This port is for a VGA monitor or other VGA-compatible
devices.
5. Serial (COM1) port. This 9-pin communication port is for pointing de-
vices or other serial devices.
6. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
7. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
ACT/LINK LED SPEED LED
Status Description Status Description
OFF No link OFF 10 Mbps connection
GREEN Linked ORANGE 100 Mbps connection
BLINKING Data activity GREEN 1 Gbps connection
LAN port LED indications
LAN port
SPEED
LED
ACT/LINK
LED