iXBT Labs - Computer Hardware in Detail






ASUS A7V333 (VIA KT333) Mainboard

The PCB of this board was redesigned considerably as compared with the KT266 and KT266A models, probably because of a greater number of functional elements.


  • Package: a standard design;
  • Documentation: a user manual in English and a brief installation manual in 11 languages;
  • Cables: 1 ATA66/100, 1 ATA33 and 1 FDD;
  • Bracket with two USB ports and a game port;
  • Bracket for the rear panel;
  • CD with software including:
    • drivers;
    • Adobe Acrobat Reader;
    • ASUS Hotkey;
    • ASUS PCProbe;
    • ASUS Update;
    • PowerPlayer SE;
    • PowerDVD;
    • VideoLive Mail;
    • Intel LDCM (LANDesk Client Manager);
    • PC-Cillin 2000;
    • screensaver.

The layout is rather good, except audio-ins which are located near the last PCI slot at the PCB's edge. Free space around the AGP Pro connector makes possible to install GeForce4 video cards without problems. It's not difficult to reach jumpers even when the board is already installed. Functions of almost all jumpers and switches are shown on the textolite.

The 2-channel switching voltage regulator incorporates 4 capacitors of 3300 uf and 3 of 1500 uF.

The following controllers are integrated: an audio one based on the C-Media CMI8738/PCI-6ch-MX with the SPDIF connector; a USB 2.0 bus controller based on the VIA VT6202 chip. The ITE IT8703F-A I/O controller provides for installation of connectors for readers of smart cards and MS and SD cards.

The board incorporates ASUS C.O.P. technology (which protects a processor from overheating), ASUS POST Reporter (reports about problems during booting) and ASUS MyLogo (for displaying your images when the system boots).

Non-unsoldered connectors: IDE RAID controller on the Promise PDC20276 chip with connectors; and IEEE1394 controller on the Texas Instruments chip with connectors.

The system monitoring is supported by the ASB 100 Bach chip from ASUS. Processor voltage (+/-3.3, +/-5 and +/-12 V), speed of 3 fans and temperatures of the processor (a built-in sensor), the board (a built-in sensor) and an external sensor can be controlled. There are 3 connectors for adjustable connection of fans.

Brief characteristics of the board: memory slots - 3 DDR SDRAM; expansion slots - AGP/ 5 PCI; I/O ports - 2 COM/ LPT/ 2 PS/2/ 4 USB 1.1/ 4 USB 2.0; dimensions - 305x245 mm.

Adjustment can be carried out with:

jumpers and switches Jumper to clear up the CMOS
Jumper to choose a JumperFree mode Jumper mode/ Jumper free
Jumpers to change a CPU multiplier 100, 133, 140, 150, 166, 170, 180, 190, 200, 210, 220 230 MHz
Switches to change a FSB frequency
Jumper to enable/disable a USB 2.0 controller
Jumper to make possible to start up a computer with PS/2 devices
Jumper to make possible to start up a computer with USB devices
Jumper to enable/disable MS and SD card readers
Jumper to choose a mode of Bass/Center channels Center/Bass / Bass/Center
Jumper to enable/disable an audio controller
Jumper to choose Speaker / Audio-Out for reporting on system events
BIOS based on v6.00PG from Award Setup of memory timings + CAS Latency, RAS to CAS Delay, RAS Precharge Time, Active Precharge Delay, 1T Command Control
Setup of memory frequency + at FSB 100 MHz: Auto, 100, 133 and 166 MHz; at FSB 133 MHz: 133 and 166 MHz
Setup of AGP bus +
Setup of PCI bus +
Changeable scaler of AGP and PCI buses -
Manual assignment of interrupts +
Changeable FSB frequency + in 1 MHz steps, 100-227 MHz
Changeable CPU multiplier + x6.5-x14
Changeable core voltage + up to 1.85 V in 0.025V steps
Changeable memory voltage -
Changeable chipset voltage -
Changeable AGP bus voltage -

We used the latest available version of the BIOS - 1005. Note that it's impossible to flash a new BIOS version using the Ez-Flash (the integrated BIOS flash utility) or Aflash lower than ver.2.2 - use the Aflash 2.2 and higher.

The board is quite good though its adjustable settings are not rich and the speed is not very high. Instead, it has a lot of various functions and will be an ideal base for a stable computer.

Test results:

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