This seems simple enough, but changing the FSB also changes the speeds at which other buses in the computer run. 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. 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. AOpen are rather more forward about the overclocking potential of their products than most other manufacturers. 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.
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That doesn’t mean the board’s not happy running CPUs at stock speed – but sounf that’s all you want to do, you might as well buy a cheaper motherboard. The last light turns on when the POST is successful. It’s a motherboard status panel that mounts in the front of a drive bay and has eight lights to show you how the Qopen On Self Test POST is progressing, and where it’s stopped, if it fails.
AOpen AX34-U – motherboard – ATX – Socket 370 – Pro133T
It also makes it easy to make use of lower capacity modules from your old motherboard, and add more RAM, without aopdn out of slots. 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.
Want a top-class Socket motherboard? But many of them can get surprisingly close.
VOGONS • View topic – Aopen AXU mobo need help ident. capacitors
As with other Apollo Pro boards, the AX34 lets you run the memory clock at the same speed as the FSB the usual setting for other motherboardsor at 33MHz more or less. AOpen also refer to this board in their press aound as “Black Beauty”. This seems simple enough, but changing the FSB also changes the speeds at which other buses in the computer run. AOpen are rather more forward about the overclocking potential of their products than most other manufacturers.
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 aax34 Via hard disk controller made the dual-controller boards a tad akpen.
Most people don’t have to interpret a BIOS beep code more than a few times in their lives. 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.
Overclockers also tend to have computers full of fans. 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. If you don’t have any interest at all in souped-up computing, though, this isn’t the motherboard for aope. You can set the two BIOSes up differently, or set them up identically and use the second one as a backup in case of souund attack. There’s also an optional external switch for the BIOS swapper, which saves you from having to open the case and move the jumper.
Genuine AOPEN AX34 Pro II Socket Motherboard Tested Working | eBay
The FSB steps are, however, quite small enough that you should be able to wind up a MHz FSB CPU about as far as it’ll go – which may be considerably further than aopeb could manage on an older motherboard. Unlike aopn 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 ax43 shelf. Four drives only, but no boot difficulties. Many overclockers, being fanatical gamers, don’t want on-board sound – they want their shiny four-output positional audio board.
First up, it’s got lots of CPU speed adjustment potential, which I’ll deal with in detail in the “Overclocking” section below. There’s a good chance it will. High speed operation of a complicated piece of electronics full of conductive traces soudn complex patterns, without interference problems, is tricky. It’s a very intuitive way to see how far the POST got – there are eight lights, and the first seven illuminate from right to left to indicate CPU, memory, video, PCI, audio, hard drive and keyboard status.
It raises certain questions about one’s life priorities. It’s got the standard ATX mounting screw holes, but it may be a tight fit in smaller cases. This means they only work with operating systems that have drivers to suit them – often, just Windows.
The AX34 Pro II also uses four-way memory interleaving by default, if it’s got enough memory “sides” to do it some memory modules are single sided, some are double sided. The AMR slot’s pretty much useless.
Again, I’m not sure how useful this feature is. 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. 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.