Asus AP1720-E1 - Manual (Page 24)

1-10 Chapter 1: Product introduction
AGP warning LED. Serving as a smart burn-out protection for the
motherboard, this red LED lights up if you plug in any 3.3V AGP card
into the AGP slot. When this LED is lit, there is no way you can turn on
the system power even if you press the power button
Gigabit LAN controller. The Intel ® 82547EI Gigabit Ethernet controller
allows full-duplex Gigabit performance on LAN on Motherboard (LOM)
applications through the Communication Streaming Architecture
(CSA). The controller combines Intel’s fifth-generation Gigabit MAC
design integrated with physical layer circuitry (PHY) to support
1000BASE-T, 100BASE-TX, and 10BASE-T applications.
PS/2 mouse port. This green 6-pin connector is for a PS/2 mouse.
Parallel port. This 25-pin port connects a parallel printer, a scanner, or
other devices.
IEEE 1394 port. This port connects IEEE 1394-compliant devices like
camcorders, VCRs, printers, or digital cameras.
(on 1394 models only)
RJ-45 port. This port allows connection to a Local Area Network (LAN)
through a network hub.
Line In jack. This Line In (light blue) jack connects a tape player or other
audio sources. In 6-channel mode, the function of this jack becomes
Rear Speaker Out.
Line Out jack. This Line Out (lime) jack connects a headphone or a
speaker. In 6-channel mode, the function of this jack becomes Front
Speaker Out.
Microphone jack. This Mic (pink) jack connects a microphone. In
6-channel mode, the function of this jack becomes Bass/Center.
USB 2.0 ports 3 and 4. These 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
USB 2.0 ports 1 and 2. These 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
Serial ports. These 9-pin COM1 ports are for pointing devices or other
serial devices.
PS/2 keyboard port. This purple connector is for a PS/2 keyboard.
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