iXBT Labs - Computer Hardware in Detail






Iwill KK400 (VIA KT400) Mainboard

The board of the second-echelon manufacturer is traditional and doesn't differ much from other VIA KT400 based solutions. 


  • Big package of a standard design; 
  • Documentation: user manual in English; 
  • Cables: 1 ATA66/100/133 and FDD; 
  • Bracket for the rear computer panel; 
  • CD containing: 
    • drivers; 
    • several system monitoring utilities; 
    • user guides for several mainboards in PDF; 
    • Adobe Acrobat Reader; 
    • McAfee VirusScan. 

The complains about the board's layout are obvious: IDE, power supply and audio connectors are not convenient. It can be difficult to reach some jumpers when the board is already installed. Their functions are shown on the textolite. 

The 2-channel switching voltage regulator incorporates 8 capacitors of 3300 uF and 2 of 2200 uF. 

The following controllers are integrated: 

  • audio controller based on the chipset's capabilities and Avance Logic ALC650 AC'97 codec supporting 5.1 audio systems and having connectors for front audio outputs. 

Thanks to the Winbond W83697SF Smart I/O controller the board supports (and have a connector) a reader for SD/MS flash cards. 

Non-unsoldered connectors: IDE RAID controllers and it connectors, a connector for the SmartCard reader. 

The system monitoring is supported by the Winbond W83637HF-AW chip. What is controlled: 

  • processor voltage, +3.3, +5 and +12 V, VBAT and +5 V Standby; 
  • speed of 2 fans; 
  • temperatures of the processor (a built-in sensor) and the board (a built-in sensor). 

There are 2 connectors for adjustable and 2 for unadjustable connection of fans (one of them is connected to a fan on the heatsink of the chipset's north bridge). 

Brief characteristics of the board: memory slots - 3 DDR SDRAM; expansion slots - AGP/ 5 PCI; I/O ports - 2 COM/ LPT/ 2 PS/2/ 5 USB 2.0; dimensions - 305x245 mm.  

Adjustment can be carried out with: 

jumpers and switchesJumper to clear up the CMOS 
Jumpers to fix the FSB frequency100, 133 and 166 MHz
BIOS based on the AwardBIOS 6.00PG of PhoenixSetup of memory timings+CAS Latency, Bank Interleave, Precharge to Active, Active to Precharge, Active to CMD, Burst Length, Queue Depth, Command Rate, tWTR, Recovery Time
Setup of memory frequency+By SPD, DDR200, DDR266, DDR333, DDR400
Setup of AGP bus+ 
Setup of PCI bus+ 
Changeable scaler of AGP and PCI buses- 
Manual assignment of interrupts+ 
Changeable FSB frequency+100-250 MHz in 1MHz steps
Changeable CPU multiplier- 
Changeable core voltage+1.125-1.85 V in 0.025V steps
Changeable memory voltage+2.5, 2.6 V
Changeable chipset voltage- 
Changeable AGP bus voltage- 

We used the BIOS of 15.10.2002 as the latest available version. 

The board is not rich in functions and the accessory pack is scanty - this model will be a good choice for those who need smooth joining the world of modern technologies at a relatively low price. 

Test results: 


Dmitry Mayorov (destrax@ixbt.com

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