1.4.2 Core specifications

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North bridge controller. The VIA® KT400 supports AGP 8X mode, 266/200MHz Front Side Bus, and the latest 400/333/266/200MHz 64-bit memory bus.

CPU socket. Socket 462 (Socket A) surface mount, Zero Insertion Force (ZIF) socket for the AMD Athlon XP/Athlon/Duron Processors, with 600 MHz ~ 2.4GHz system bus. (Note: When using 333MHz FSB CPU, system memory supports DDR333 or DDR400 only.)

TABLE 1.4.2

FSB

DDR 266

DDR 333

DDR 400

FSB/DDR

 

 

 

 

Support Table

200/266 MHz

 

 

 

 

 

 

 

 

 

333 MHz

 

 

 

 

 

 

 

 

3DDR DIMM sockets. These three 184-pin DIMM sockets support up to 3GB system memory using unbuffered non-ECC PC2100/1600 DDR DIMMs.(Note: PC2700 maximum to 2 DIMM support only.

PC3200 maximum to 1 DIMM support only.)

Visit the ASUS website (www.asus.com) for the latest qualified DDR400 module list.

4ATX power connector. This 20-pin connector connects to an ATX +12V power supply. The power supply must have at least 1A on the +5V standby lead (+5VSB).

5Floppy disk connector. This connector accommodates the provided ribbon cable for the floppy disk drive. One side of the connector is slotted to prevent incorrect insertion of the floppy disk cable.

6IDE connectors. These dual-channel bus master IDE connectors support up to four Ultra DMA133/100/66, PIO Modes 3 & 4 IDE devices. Both the primary (blue) and secondary (black) connectors are slotted to prevent incorrect insertion of the IDE ribbon cable.

7AGP 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.

8South bridge controller. The VIA® VT8235 integrated peripheral controller supports various I/O functions including, 2-channel ATA/ 133 bus master IDE controller, up to six USB 2.0 ports, LPC Super I/O interface, AC’97 interface and PCI 2.2 interface.

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Chapter 1: Product introduction