by R. K. Bloom

Abit KT7E chipset VIA KT133E

Abit KT7E chipset VIA KT133E

Motherboards with support for DDR memory continues to gain popularity. However, many motherboard manufacturers are releasing prezhdnemu and successfully sell cards that only support SDR memory. The secret of this phenomenon is simple. There are quite a large group of users who do not need the maximum possible performance. These users tend to have rather a certain range of software applications that have very low hardware requirements. We can say that for the vast majority of applications under Windows, the Duron enough power to the head. With games, the situation is somewhat different. There are games with high hardware requirements for trouble-free operation requiring only the most recent hardware. But few of these games. Developers are mainly oriented to the average user, who has a budget computer graphics class MX. In addition, even the very last hit of the game “Return to Castle Wolfenstein” has a very low demands on the processor / video card / memory. As a result, we can formulate the conclusion: the platform with support for SDR memory have the right to life.

However, it is worth noting that this approach will be valid only if the motherboard will be cheaper (and significantly) their DDR competition. And so the motherboard should have a reasonable price: the first – a cheap chip and the second – the absence of various additional features such as built-in audio, RAID, video.

As for embedded video, I note that to date no integrated graphics core does not provide acceptable performance in 3D applications. The exception is unless nVidia nForce (built GF2MX), but the price of such a solution introduces a light shock :)

If the presence / absence of various additives meets the manufacturer of the motherboard, the second condition – the cheapest chipset – the market there. This KT133E – leading manufacturer of chipsets by VIA. It is also worth noting the possible emergence of political parties in the market of cheap motherboards chipset KT133, but most likely this is due to the possible liquidation of stocks.

Manufacturers met this chipset is cold enough. The reason is clear: a cheap price – a small profit. The company released the ABit motherboard on this chipset, the very first that it is not like (as an example we can recall the situation with the AMD760 chipset motherboards, and Via Kt266A). As a result, the price list of this company appeared board released its low cost. The board was traditionally called – KT7E.

What is the chipset KT133E.


KT133E chipset is still the same chipset KT133, only made for a more perfect process technology to 0.18 micron (remember, the precursor produced on 0.25 micron technology). It is clear that finer process technology to reduce costs, and as a consequence, the final price of the chipset. Also, you can expect a decrease in heat dissipation and the ability to operate at higher frequencies. Moreover, it is important to note the last moment, because that boards on the KT133 chipset could not run stably at FSB more than 110MHZ.

If someone rusty, briefly give the main characteristics:

Supported memory – PC100/PC133 SDRAM (Max. amount of memory 1.5 GB);

The standard FSB frequency of 100 MHz DDR (133 is not officially supported);

Number of PCI Masters 5.

Complete with a new north bridge south bridge comes VT82C686B, the result is support for ATA interface UltraDMA/100, AC97 integrated audio, and 4 ports USB.

Schematically, a fee may be shown as follows:

It is worth mentioning one more important detail – it is a complete electrical chipset compatibility with its predecessor KT133E KT133. As a result, there is no need to alter PCB. It is also a positive impact on the price of the motherboard.

Now turn to the specification of the motherboard.

Specifications Abit KT7E


Supports AMD format Socket-A (Athlon / Duron);

Support frequency FSB 200MHz;

Chipset VIA Apollo KT133E

Northbridge VT8363E;

South Bridge VT82C686B;

System memory

Three PCI 3.3 168-pin slots DIMM;

Maximum memory capacity 1.5GB (PC133);

Support for Virtual Channel SDRAM (VCM SDRAM);


Slot AGP, supporting the regime 1h/2h/4x;

Opportunities to expand

Six 32-bit slots, PCI 2.2;

One ISA slot;


Changing the CPU voltage, voltage Vio, adjustable multiplier;

FSB adjustable within 100 to 183MHz in steps of 1MHz;

Technology SoftMenu III ;

Disk Subsystem

Integrated UltraDMA/100 IDE controller (2 channels UltraDMA100/66/33 Bus Master IDE with support for up to 4 ATAPI-devices);

Support for LS-120 / ZIP / ATAPI CD-ROM;

The integrated audio / video

Integrated audio and video – no;


2MBit Flash ROM;

Award BIOS with support for ACPI to PC98/Win98/WinMe/Win2000 compliance, Green, PnP, DMI;


One port for FDD, two serial and one parallel ports, ports for PS / 2 mouse and keyboard;

  1. Infrared (Built-in IrDA TX / RX connector);
  2. Monitoring

Standard features (for bridge VT82C686B) to monitor the temperature of the processor and chipset, voltages, fan speeds;

Support for USB

Two built-in ports and two external USB;

Power Management


Wake up on modem, mouse, keyboard, network


Standard 20-pin power connector ATX (ATX-PW);


ATX form factor, 304mm x 230mm (12 “x 8.93″);