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Chapter 1: Product introduction
ATX 12V connector. This power connector connects the 4-pin 12V plug from
the ATX 12V power supply.
CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF) socket for
the Intel
®
Pentium
®
4 Processor, with 400MHz system bus that allows 3.2GB/s
of data transfer rate.
North bridge controller. This SiS645 controller integrates a high
performance host interface for the Intel Pentium 4 processor, a memory
controller and SiS MuTIOL technology.
ATX 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).
DDR DIMM sockets. These two 184-pin DIMM sockets support up to 2GB
system memory using unbuffered non-ECC PC2700/PC2100/PC1600 DDR
DIMMs.
IDE connectors. These dual-channel bus master IDE connectors support
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.
COM2 connector. This 9-pin connector connects to a COM2 port.
Floppy 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.
Flash ROM. This 2Mb firmware contains the programmable BIOS program.
Super I/O controller. This Low Pin Count (LPC) interface provides the
commonly used Super I/O functionality. The chipset supports a high-
performance floppy disk controller for a 360K/720K/1.44M/2.88M floppy disk
drive, a multi-mode parallel port, two standard compatible UARTs, and a Flash
ROM interface.
South bridge controller. Referred to as the SiS962L MuTIOL Media I/O,
this controller integrates the audio controller with AC’97 Interface, Ethernet
MAC, Dual Universal Serial Bus Host controllers, IDE Master/Slave
controllers, and the MuTIOL Connect to PCI Bridge.
PCI slots. These six 32-bit PCI 2.2 expansion slots support bus master
PCI cards like SCSI or LAN cards with 133MB/s maximum throughput.
Standby power LED. This 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.
Audio CODEC. The ADI AD1980 is an AC’97 CODEC that allows 6-channel
audio playback. The audio CODEC provides six DAC channels for 5.1
surround sound, S/PDIF interface, AUX and Line In stereo inputs,
integrated headphone amplifier, greater than 90dB dynamic range support.
AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V AGP4X
mode graphics cards for 3D graphical applications.
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