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Chapter 1. Getting Started
Introduction
Congratulations on choosing the KM400A series mainboard! The series include KM400A PRO-1394,
KM400A PRO, and KM400A. These are based on the VIA
VT8237 Southbridge chipset. It supports AMD
Processors with a FSB (Front Side Bus) frequency of 200/ 266/ 333/ 400 MHz.
The KM400A Series provides 2 DIMM sockets using 184 pin DDR SDRAM with a total capacity of
up to 2 GB. You can install unbuffered & non-ECC DDR400/333/266/200(PC3200/2700/ 2100/1600)
SDRAM. They support 64 bit single channel memory bus with a total capacity of up to 2 GB.
The KM400A Series provides one 8X/4X AGP Slot that use 1.5V AGP cards only.
The KM400A Series include built in IDE facilities that support Ultra ATA 33/ 66/ 100/ 133 Ultra
6-0/ DMA 2-0 and PIO 4-0 modes. The KM400A Series also include built in SATA facilities that
support Serial ATA 150 and support SATA RAID 0 or 1.
The KM400A Series also comes with an AC'97 Sound Codec (VT1616) which supports high quality
6 channel audio (super 5.1 Channel Audio Effect). It also supports Sony/ Philips Digital Interface
(S/PDIF).
The KM400A Series also comes with 8 USB 2.0 ports and the KM400A PRO-1394 comes with two
IEEE 1394 ports (optional).
The KM400A Sereis also include CPU Over Temperature Protection (OTP). When CPU temperature
rises above normal values, the system will automatically shut down to protect your system from
overheating. But the OTP is only functional when using an Athlon XP
The KM400A Series include an infrared header. The KM400A PRO-1394/ KM400A PRO also
provides a back panel LAN port. More information in the section of Back Panel Configuration.
The company's 3 Year Limited Warranty for this product covers both labor costs and replacement
parts during the 1st year. Only labor costs are covered during the 2nd and 3rd years (replacement
parts will be charged during the 2nd and 3rd years).
All of the information in this manual only for reference. This specification is subject to change
without notice.
®
KM400A Northbridge and the VIA
®
TM
Athlon
XP/ Athlon
TM
or Barton
1
KM400A Series
®
TM
TM
TM
/ Duron
/ Barton
TM
CPU.
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