21LAN controller. The BroadCom BCM5702 Gigabit Ethernet is a single-chip solution for LAN on Motherboard (LOM) and Network Interface Card (NIC) applications. The BCM5702 provides a 32-bit interface and supports 1000/100/10 Mbps data transfer rates. Fast Ethernet models mount the BroadCom BCM4401 controller for 10BASE-T/100BASE-TX networking. (on LAN models only)

22AGP 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.

23AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V AGP4X mode graphics cards for 3D graphical applications.

24PS/2 mouse port. This green 6-pin connector is for a PS/2 mouse.

25Parallel port. This 25-pin port connects a parallel printer, a scanner, or other devices.

26RJ-45 port. This port allows connection to a Local Area Network (LAN) through a network hub. (on LAN models only)

27Line 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 Bass/Center. (on audio models only)

28Line 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. (on audio models only)

29Microphone jack. This Mic (pink) jack connects a microphone. In 6- channel mode, the function of this jack becomes Rear Speaker Out . (on audio models only)

30USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.

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Serial ports. These 9-pin COM1/COM2 ports are for pointing devices or other serial devices.

USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.

33PS/2 keyboard port. This purple connector is for a PS/2 keyboard.

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Chapter 1: Product introduction