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Thread: ABIT's Silent OTES

  1. #1
    HEXUS webmaster Steve's Avatar
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    ABIT's Silent OTES

    I've been intrigued with ABITs motherboard cooling solutions ever since they got the wacky idea of including fans on the I/O backplate. That changes now, however, with a move towards a silent Outside Thermal Exhaust System (OTES).

    Silent OTES uses ABIT-designed heatpipe technology to transfer unwanted heat from the North Bridge to the fins of the Collection Module. From there, heat is exhausted outside of the case by air flowing from the CPU fan. The result, a totally silent platform offering excellent cooling efficiency while utilizing the existing CPU fan, ultimately providing enhanced performance, stability and a quieter experience for the end user.

    This looks like a clever idea, as most CPU socket areas are designed to be cooled by the "blowoff" from a CPU HSF anyway. However, I am concerned that the grille at the back of the board might inhibit airflow through the collection module. The fins on the collection module are not packed very densely, presumably so that air can pass through them without too much resistance, so why put a restrictive grille in the way? Of course, this is just my first impression, and only testing will reveal whether or not this is actually an issue.

    Nonetheless I think this could be a step in the right direction for motherboard cooling.

    You can also check out ABIT's official press release.
    Last edited by Steve; 27-04-2005 at 07:53 PM.
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    HEXUS webmaster Steve's Avatar
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    ABIT has provided us with some higher resolution images of the Silent OTES system. Click the following images for bigger versions:







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    that loosk nice actually, assuming you have good cooling througout your case.

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    HEXUS webmaster Steve's Avatar
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    Indeed, although I reckon if you had watercooling you'd be stuffed.
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    it looks pretty, but it seems a bit pointless to me......I mean it's a "silent" solution that relies on the air from the cpu fan???

    plenty of mobos have passive heatsinks anyway...it's nice that the northbridge heat is removed from the case, but what about the heat from the cpu, or the ram, or the southbridge or the hard drives or whatever is under those nice-looking blue heatsinks??
    The northbridge heat output is pretty insignificant against all those other componants in the case. - i doubt that this wil drop case temps by anything.

    in fact if you had an 80mm fan blowing out at the back of the case theres a reasonable chance that the air would be passing inwards through this thing.....

    Sorry, shouldnt moan, it's a hell of a lot better than their previous otes solutions with silly little fans all over the place.


    It's a good start - if all the mobo componants that tend to get hot (mosfets etc) were all connected up via heatpipe the the rad, then THAT would be really cool.
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    It seems to me its main advantage is allowing a low profile northbridge, as being inbetween the cpu socket and the graphics slot a passive heatsink could potentially interfere with cooling solutions from both areas. Might be more useful if you could position the 'collection module' in front of an exhaust fan though. As it is you rely on positive air pressure within the case to exhaust through the collector - something you're unlikely to have with say a single exhaust fan + PSU fan.

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    I think that Abit should focus more on the quality of their boards than to make yet another cool looking but not very valuable addition to their boards.

    When i was still into computers (dont even own one anymore) i had huge problems with my old IC7-Max3 and actually removed the entire Otes system. In my overclocking tests with the Vapochill i got a better rate without the OTES

    Also the IC7-G i build for a friend recently didnt have his gig-lan activated so i had to send it back.

    I think Abit needs to get of the marketing and gimmicky route and throw out some killer boards like back in the day. (BE-6 and a 300A )

    -Flo
    Last edited by tillyoubreakit; 01-05-2005 at 11:14 PM.

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