• SiS645 chipset

The board from one of the famous board makers is made on red textolite.

Accessories:

• Package: an ordinary design for this company;
• Documentation: a user manual and a software guide - in English;
• Cables: 1 ATA66/100 and 1 FDD;
• Additional thermistor;
• 2 CDs with software including:
  

• drivers;
• user manual in PDF for various boards;
• several system monitoring program;
• program for changing a FSB frequency from Windows;
• Adobe Acrobat Reader 5.0;
• Trend Micro PC-Cillin 2000;
• Farstone Virtual Drive 6.01;
• PowerQuest PartitionMagic 6.0;
• PowerQuest Drive Image 4.0.

The layout has some disadvantages: IDE connectors are placed behind PCI slots (which makes difficult to handle them and worsens ventilation), and audio-ins are in front of these slots. There are two connectors for +12V for old power supply units which do not comply with the ATX 2.03 specification. A special plate is mounted onto the back side of the board to prevent troubles caused by massive coolers.

The feed circuits incorporate 8 capacitors of 2200 uF and 4 of 1500 uF.

There are the following controllers: AC'97 codec ALC201A from Avance Logic (audio solution) - the chip supports SPDIF, but the respective connector is lacking.

Non-unsoldered connectors: (it will appear on SiS650 based board when VGA will replace one of the connectors on the rear panel).

Brief characteristics of the board: memory slots - 3 DDR SDRAM; expansion slots - AGP/ 6 PCI; I/O ports - 2 COM/ LPT/ 2 PS/2/ 4 USB (though the chipset supports 6); dimensions - 305x225 mm.

Adjustment can be carried out with:

jumpers and switches	Jumper to clear up CMOS
	Set of jumpers to set up a FSB frequency and memory		100, 105, 108, 112 and 133 MHz - for FSB, 133 and 166 MHz - for memory
	Jumper to setup memory voltage		2.5, 2.6, 2.7 and 2.8 V
BIOS based on v2.01a from AMI	Setup of memory timings	+	CAS Latency, Timing Setting Mode (analog of the System Performance), MA 1T/2T Select (analog of the DRAM Command Rate)
	Setup of memory frequency	+	DDR200, DDR266, DDR333
	Setup of AGP bus	-
	Setup of PCI bus	-
	Changeable scaler of AGP and PCI buses	-
	Manual assignment of interrupts	+
	Changeable FSB frequency	+	100, 133, 166
	Changeable CPU multiplier	+	x8 - x50
	Changeable core voltage	-
	Changeable memory voltage	-
	Changeable chipset voltage	-
	Changeable AGP bus voltage	-

I didn't like this board much as compared with previous products from this company because of scarce settings caused by a transition to the AMI's BIOS. However, it is possible that the following board will use Award's version of BIOS. This model is really of high quality and has excellent speed characteristics.

Test results:

• SiS645 and SiS650 Based Mainboard Roundup

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