Introduction of KX7-333/KX7-333R Features
User’s Manual
1-1
Chapter 1. Introduction of KX7-333/KX7-333R
Features
1-1. Features of KX7-333/KX7-333R Motherboard
This motherboard is designed for AMD Socket A Athlon
™
XP, Athlon
™
and Duron
™
processors. It
supports the AMD Socket-A structure, with up to 3 GB
(Unbuffered)
or 3.5 GB
(Registered)
of memory,
super I/O and Green PC functions.
The KX7-333/KX7-333R uses the VIA KT333 and VT8233A chipsets to make the evolutionary move
from PC 100/PC 133 SDRAM to PC 1600/PC 2100/PC 2700 DDR SDRAM, increasing the speed of the
system and memory buses from 100 MHz to 166 MHz. Its 200/266/333 MHz memory interface supports
a wide range of PC 1600/PC 2100/PC 2700 DDR SDRAM memory devices now on the market.
VIA KT333 is a system bus controller, or northbridge, that houses the high-speed system elements critical
to overall system performance while also containing the system interface to the processor. The key
functions of the KT333 System Controller include the 266 MHz Athlon System Bus, the 333 MHz DDR
Memory Subsystem, the AGP 4X/2X/1X modes Graphics Interface (AGP 2.0 Compliant) and the 33
MHz/32-bit PCI Bus Interface (PCI 2.2 Compliant), including arbiter.
DDR SDRAM is the newest memory standard, it provides the maximum translation bandwith and also
greatly improves data transaction delays. This feature improves whole system performance and speed,
especially multimedia environment applications.
The KX7-333/KX7-333R has a built in Ultra DMA 133 function. This means that it provides speedier
HDD throughput boosting overall system performance. Ultra DMA 133 is the newest standard for IDE
devices. It enhances existing Ultra DMA 33 technology by increasing both performance and data integrity.
This new high-speed interface almost double the Ultra DMA 66 burst data transfer rate to 133 Mbytes/sec.
The result is maximum disc performance using the current PCI local bus environment. Another benefit is
you can connect four IDE devices in your system through either Ultra DMA 66, Ultra DMA 100 or Ultra
DMA 133. You will have more flexibility to expand your computer system.
KX7-333R’s built-in HighPoint HPT 372 chipset gives you the capability to support Ultra DMA 133.
Ultra DMA 133 is the newest standard for IDE devices. It provides two IDE channels (IDE3, IDE4) that
also support Ultra DMA 133 specifications, and it allows for four additional IDE devices in your
computer system. It can give you high performance and efficiency data transfer rate through the IDE
channels. This also means that your computer, in total, can connect up to eight IDE devices (IDE1 ~
IDE4). This allows for maximum expandability for future hardware demands. This chipset also supports
IDE RAID, inlcuding RAID 0, RAID 1 and RAID 0+1. This feature enables you to maximize your data
storage performance and security.
KX7-333/KX7-333R provides high flexibility to users building AMD Socket A Athlon
™
XP, Athlon
™
and Duron
™
systems. It provides the option of 133MHz/133MHz CPU and memory bus combinations.
The KX7-333/KX7-333R has built-in hardware monitoring functions (refer to
Appendix B
for detailed
information) to ensure a safe computing environment.
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