AOPEN AX34 SOUND DRIVER

Spread spectrum's meant to reduce the radio-frequency noise created by the clock pulses; it seldom seems to make the slightest difference to system performance. But if your RAM can't manage it, it doesn't matter with a board like this. The AX34 puts the big fat CPU power supply smoothing capacitors far enough away from the processor socket that there should be room to mount the most outrageous of chip coolers. First up, it's got lots of CPU speed adjustment potential, which I'll deal with in detail in the "Overclocking" section below. Of course, you can run fans from plain power supply connectors as well; you don't need to use any motherboard fan headers if you don't want to. Higher voltage means more heat.

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That doesn't mean the board's not happy running CPUs at stock speed - but if that's all you want to do, you might as well buy a cheaper motherboard. The AX34 puts the big fat CPU power supply smoothing capacitors far enough away from the processor socket that there should be room to mount akpen most outrageous of chip coolers.

It just says the name of the offending subsystem, in English, Chinese, Japanese or German, depending on the setting of another jumper block. There's no point using the AMR slot for audio, because a3x4 AX34 Pro II, unusually for an overclockers' board, includes ACcompliant plain vanilla audio hardware, aoprn the usual couple of inputs and single output on its rear-panel connector block, wound on-board connectors for internal sound sources like modems and CD-ROM drives.

The latter option actually makes no perceptible difference to system speed - all it does is slightly reduce overall RAM latency, which for desktop tasks achieves three-fifths of nothing in particular. As with other Apollo Pro boards, the AX34 lets wopen run the memory clock at the same speed as the FSB the usual setting for other motherboardsor at 33MHz more or less. If you don't have any interest at all in souped-up computing, though, this isn't the motherboard for you.

You might as well get something cheaper. Soubd Dan some money! Overclocking The AX34 puts the big fat CPU power supply smoothing capacitors far enough away from the processor socket that there should be room to mount the most outrageous of chip coolers. AOpen point out, "If you place the switch to the middle, you will not be able to boot your system, thus you can protect your data ROM molesting.

Genuine AOPEN AX34 Pro II Socket 370 Motherboard Tested Working

There's a good chance it will. Normal users are only likely to put a maximum of Mb of RAM on the board anyway, because they don't want to pay the premium for bigger-thanMb memory modules. Spread spectrum's meant to reduce the radio-frequency noise created by the clock pulses; it seldom seems to make the slightest difference to system performance. What you get Unlike the old black AX6BC, the black AX34 comes in a box with a window and a see-through clamshell plastic case, so it doesn't look normal even sitting on the shelf.

This seems simple enough, but changing the FSB also changes the speeds at which other buses in the computer run. Interleaving makes RAM bandwidth look a lot more impressive in some benchmarks, but for desktop computer tasks makes no difference to speak of to actual system performance.

But with three-wire fans, the headers let system monitoring software keep tabs on the fan speed, which is a handy feature. This is a good price, for a motherboard with these specs. The surface finish on a heat sink that's primarily cooled by air flow is pretty much completely irrelevant, but it sure looks purty. High speed operation of a complicated piece of electronics full of conductive traces in complex patterns, without interference problems, is tricky.

Still, if you're doing heavy duty 3D rendering or database serving or something else that needs scads of RAM, a four-slot motherboard's a nice thing to have.

AOpen's made another black motherboard. Not that the Pro II's particularly expensive. It's a motherboard status panel that mounts in the front of a drive bay and has eight lights xopen show you how the Power On Self Test POST is progressing, and where it's stopped, if it fails.

VOGONS • View topic - Aopen AXU mobo need help ident. capacitors

AOpen are rather more forward about the overclocking potential of their products than most other manufacturers. First up, it's got lots of CPU speed adjustment potential, which I'll deal with in detail in the "Overclocking" section below.

Want a top-class Socket motherboard?

This is a neat feature for anyone that wants to install more than the usual four drives two drives can be connected to each motherboard IDE socketbut buggy drivers and occasional difficulties in booting from anything but the slower Via hard disk controller made the dual-controller boards a tad annoying. This means they only work with operating systems that have drivers to suit them - often, just Windows.

You can set the two BIOSes up differently, or set them up identically and use the second one as a backup in case of virus attack.

Because the same drivers work with any Apollo Pro A motherboard and the hardware's essentially identical, there's no significant difference in raw performance between them when they're running the same hardware at the same speed. There's also the usual drivers-and-manual CD, that gives you the manual again in Adobe Acrobat format as well as the support software for the board, and a free copy of Norton AntiVirus v6.

The Pro II accommodates them with three speed-sensing three-pin fan headers, one of them near the AGP slot for after-market video card coolers.

And many host based modems have compatibility problems with some other modems.