iXBT Labs - Computer Hardware in Detail






VIA / VPSD P4XB-RA (VIA P4X266A) Mainboard

The box of a typical VIA's design have a weighty installation manual in English, two ATA66/100 and one FDD cables, a bracket for a rear computer panel with 2 USB ports and a CD with drivers.

The boards have a convenient layout. There is a sound controller for a 6-piece audio system, and a connector to put audio-outs onto a front computer panel. An AGP connector has a clip to prevent a video card from falling out, but it is quite difficult to open it. The RAID controller form Promise allows increasing operation or reliability of a disc subsystem. Of course, IDE RAID connectors can be used just for 4 additional ATAPI devices. The core feed circuits have a three-phase voltage stabilizer. Two switches serve for clearing the CMOS and for enabling/disabling an integrated audio codec.

The BIOS is based on the Modular 6.00 from Award. It offers a great deal of settings for memory timings and frequency, provides adjustment of AGP and PCI buses and a manual distribution of interrupts among PCI slots. You can also change a CPU frequency (in 1 MHz steps), its multiplier and processor and memory voltages.

Both boards have a rich set of features and an excellent speed of operation.

Test results:

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