ASUS CUV4X SOUND DRIVER

The Norton scores went from an average of about , to an average of about I tried a flash update to the BIOS from version to , but this had no effect on the benchmark variation. In fact, the system showed normal, low variability most of the time, but on occasion, would show increased variability in benchmark results. The next available speed was 85MHz. At this setting, the system was running at MHz, with a memory speed of MHz. This was not the case. If you can put up with the slow boot times, the board will do a very good job of overclocking Pentium III processors.

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The system benchmarks did not increase when going from MHz to MHz on the bus frequency, probably because the memory speed had to be reduced.

A typical score after a clean reboot was Norton units.

ASUS CUV4X-M - motherboard - micro ATX - Socket - ProA Overview - CNET

I canceled the benchmark, went to Windows, and ran the Norton benchmark. The overall boot time was also longer than normal for a clean system. I even tried a different power supply, also without effect on the variability. Below sounx a graph of the kind of result that made me curious in the first place. I sounx out a new Celeron-2 flip-chip. The variability was intermittent, and did not occur after every reboot, or after every run of a 3D application.

The system was very stable at this bus frequency. One thing that irritated me about the overclock settings was that they did not go in order in the BIOS menu, but rather, jumped all around, forcing you to scroll the long list to find the speed you wanted.

The Athlon system running on soud VIA chipset motherboard showed very little variability.

I observed no glitches, and the system ran everything without hanging, or dropping to cuuv4x desktop. The variability was still quite noticeable, as shown in the chart below. With a little more work, Asus could make it a great board.

The other trace, labeled "After full 3D Mark" was obtained after running 3D Mark through an entire benchmark. The Y axis is exaggerated to show my point.

ASUS CUV4X-M - motherboard - micro ATX - Socket 370 - Pro133A

The first thing I checked was if the system resources were declining. The Norton scores went from an average of aboutto an average of about System performance was substantially lower than with a comparably clocked Pentium III system, but as Ccuv4x mentioned earlier, the performance variability seen with the Pentium III was not seen with the Celeron So I used the E flip-chip for stability testing while overclocking the bus frequency.

At a bus frequency of 85MHz, the system speed rating was MHz. Overclocking with the Celeron-2 cuv4d rather disappointing. With the Celeron-2, the benchmark numbers were very stable, and almost no variation was seen. So that extra 20 seconds in the beginning carries through the entire boot process.

ASUS CUV4X-E - motherboard - ATX - Socket 370 - Pro133A Series

I just wanted to do a quick check and see what kind of system rating I would get with Norton Utilities The next thing I wanted siund test was overclock stability, for which I used the newest version of 3D Mark version 1. It took 57 seconds for a complete warm reboot, and 67 seconds for a complete cold boot.

The results were quite puzzling. The most overclockable Pentium IIIs are the E and E models, which often will run at MHz on the front side bus, if the motherboard and memory can handle it too.

ASUS CUV4X-E - motherboard - ATX - Socket - ProA Overview - CNET

At MHz, that is probably acceptable behavior. However, overclocking stability was very good with the CUV4X.

This was not the case. By simply repeating the Norton benchmark over and over, I got wide variations from one test to another.

The Y axis is exaggerated in the chart below, to highlight what variability there was.

The system ran 3D Mark without a hitch. All overclock testing was done with a core voltage setting of 1.