Asus P4S800 User Manual page 14

ATX 12V connector. This power connector connects the 4-pin 12V plug from
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the ATX 12V power supply.
CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF) socket for
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®
the Intel
6.4GB/s, 4.3GB/s and 3.2GB/s data transfer rates, respectively.
North bridge controller. The SiS
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with 800/533/400 MHz frequency, system memory interface at 400/333/266
MHz operation, and AGP 8X interface.
DDR DIMM sockets. These three 184-pin DIMM sockets support up to 3GB
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system memory using unbuffered non-ECC DDR SDRAM DIMMs.
PC2100/1600 support up to 3 DIMMs; PC3200/2700 support up to 2 DIMMs;
1 GB PC3200/2700 with 32 DDR chips support to 1 DIMM only.
ATX power connector. This 20-pin connector connects to an ATX +12V
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power supply. The power supply must have at least 1A on the +5V standby
lead (+5VSB).
IDE connectors. These dual-channel bus master IDE connectors support
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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 AGP8X
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mode graphics cards for 3D graphical applications.
South bridge controller. The SiS
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various I/O functions including 2-channel ATA133 bus master IDE controller,
up to six USB 2.0/1.1 ports, I/O APIC, AC'97 2.2 interface, and PCI 2.2
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.
Super I/O controller. This Low Pin Count (LPC) interface provides the
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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 serial ports, a GAME port, the mouse
and keyboard interface and the BIOS Flash ROM interface.
Flash ROM. This 2Mb firmware contains the programmable BIOS program.
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Standby power LED. This LED lights up if there is a standby power on the
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motherboard. This LED acts as a reminder to turn off the system power before
plugging or unplugging devices.
1-4
®
Pentium 4 Processor, with 800/533/400 MHz system bus that allows
®
648FX provides the processor interface
® 963L is a subsystem that integrates
Chapter 1: Product introduction