VIA / VPSD P4XB-RA (VIA P4X266A) Mainboard
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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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