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ATX 12V connector. This power connector connects the 4-pin 12V plug from
1
the ATX 12V power supply.
North bridge controller. This SiS651 controller integrates a high
2
performance host interface for the Intel Pentium 4 processor, a memory
controller and SiS MuTIOL technology.
CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF) socket for
3
®
the Intel
4.2GB/s and 3.2GB/s data transfer rates, respectively.
ATX power connector. This 20-pin connector connects to an ATX +12V
4
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
5
system memory using unbuffered non-ECC PC2700/PC2100/PC1600 DDR
DIMMs.
SDRAM DIMM sockets. These two 168-pin DIMM sockets support up to 2GB
6
system memory using unbuffered non-ECC PC133/PC100 SDRAM DIMMs.
IDE connectors. These dual-channel bus master IDE connectors support
7
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.
AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V AGP4X
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mode graphics cards for 3D graphical applications.
South bridge controller. Referred to as the SiS962L MuTIOL Media I/O,
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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.
10
Flash ROM. This 2Mb firmware contains the programmable BIOS program.
Super I/O controller. This Low Pin Count (LPC) interface provides the
11
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.
Floppy disk connector. This connector accommodates the provided ribbon
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cable for the floppy disk drive. One side of the connector is slotted to prevent
incorrect insertion of the floppy disk cable.
Standby power LED. This LED lights up if there is a standby power on the
13
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
14
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.
1-4
®
Pentium
4 Processor, with 533/400MHz system bus that allows
Chapter 1: Product introduction
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