There’s no point using the AMR slot for audio, because the AX34 Pro II, unusually for an overclockers’ board, includes ACcompliant plain vanilla audio hardware, with the usual couple of inputs and single output on its rear-panel connector block, and on-board connectors for internal sound sources like modems and CD-ROM drives. Then again, quite a few Coppermine Celerons are happy at MHz or even a bit more – with, as usual, a bit more voltage and a chunky cooler – if that’s the case with yours, the AX34 Pro II is fine. Performance differences between computers with different motherboards, if there are any to speak of at all, come from the motherboards’ extra features, like CPU and RAM overclocking and faster hard disk interfaces. Give Dan some money! 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.
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But if you don’t like the AC97 sound, you can always disable it. Since all the switch does is take over the function of the jumper on the three pin header into which it plugs, you could use any dual pole single throw switch to do the same job.
Overall Want a top-class Socket motherboard? 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.
AOpen AX34 Pro II motherboard
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. AMR modems are dirt cheap it’s now possible to buy them retail – only system integrators could get them at first but they’re all “host based modems” that need special drivers in order to work. For hardware enthusiasts, though, a black board with all the latest twiddly bits makes an excellent core for the latest revision of their screaming top-spec game machine.
Now, to most people, a black motherboard is about as interesting as a shiny enamelled engine for their car. AOpen also refer to this board in their press bumf as “Black Beauty”.
Well, you have if it works, anyway. 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.
Review: AOpen AX34 Pro II motherboard
The last light turns on when the POST is successful. 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.
Most people don’t have to interpret a BIOS beep code more than a few times in their lives. 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. It’s a motherboard status panel that mounts in the front of a drive bay and has eight lights to show you how the Power On Self Test POST is progressing, and where it’s stopped, if it fails.
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. You might as well get something cheaper. 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.
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.
AX34 Pro II AOPEN Motherboard Mainboard Driver Manual BIOS
Many overclockers, being fanatical gamers, don’t want on-board sound – they want their shiny four-output positional audio board. The surface finish on a heat sink that’s primarily cooled by air flow is pretty much completely irrelevant, but it sure looks purty. Again, I’m not sure how useful this feature is. Not that the Pro II’s particularly expensive. Performance differences between computers with different motherboards, if there are any to speak of at all, come from the motherboards’ extra features, like CPU and RAM overclocking and faster hard disk interfaces.
It just says the name of the offending subsystem, in English, Chinese, Japanese or German, depending on the setting of another jumper block. But with three-wire fans, the headers let system monitoring software keep tabs on the fan speed, which is a handy feature.
AOPEN Ax34 II Motherboard With Pentium III 933 CPU 256mb and Heatsink / Fan
And many host based modems have compatibility problems with some other modems. Give Dan some money! 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.
First up, it’s got lots of CPU speed adjustment potential, which I’ll deal with in detail in the “Overclocking” section below. This seems simple enough, but changing the FSB also changes the speeds at which other buses in the computer run.
But if your RAM can’t manage it, it doesn’t matter with a board like this. The southbridge chip on a motherboard, essentially, takes care of every function that the northbridge doesn’t – the IDE bus, USB, Plug and Play, the PCI to ISA bus bridge connection if there is onekeyboard and mouse control, power management and so on. It’s i built-for-speed overclockers’ board, designed to give you the best possible chance of getting your CPU running substantially faster than the sticker says it should.