10South bridge controller. Referred to as the Intel I/O Controller Hub 2 (ICH2) of the Intel 845 chipset, this controller provides the I/O subsystem that allows access to the rest of the system. The ICH2 integrates I/O functions such as system bus interface, Ultra ATA/100, Low Pin Count (LPC) interface, Universal Serial Bus (USB) 1.1 interface, PCI interface, and CNR interface.

11ASUS ASIC. This chip performs multiple system functions that include hardware and system voltage monitoring, power management routing, among others.

12Onboard LED. This onboard LED lights up if there is a standby power on the motherboard. This LED acts as a reminder to turn off the system power before plugging or unplugging devices.

13CNR slot. This slot is specifically designed for the Communications and Networking Riser (CNR) card. The CNR supports V.90 analog modem, six-channel audio, HPNA, USB Hub, and the 10BASE-T/ 100BASE-T Ethernet networking.

14Audio controller. This C-Media 6-channel PCI audio chip supports legacy audio and HRTF 3D positional audio functions. The chip also supports 24-bit SPDIF In (0.5V~5V) and SPDIF Out (44.1K and 48K formats) professional digital audio interface.

15PCI slots. These three 32-bit PCI 2.2 expansion slots support bus master PCI cards like SCSI or LAN cards with 133MB/s maximum throughput.

16AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V AGP4X mode graphics cards for 3D graphical applications.

17

18

LAN controller. This RealTek 8100 PCI LAN controller fully supports 10BASE-T/100BASE-T Ethernet networking.

Microphone jack. This Mic (pink) jack connects a microphone. In 6-channel mode, the function of this jack becomes Bass/Center.

19Line In jack. This Line In (light blue) jack connects a tape player or other audio sources.

20Line Out jack. This Line Out (lime) jack connects a headphone or a speaker.

21Game/MIDI connector. This connector supports a joystick or a game pad for playing games, and MIDI devices for playing or editing audio files.

1-4

Chapter 1: Product introduction