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Thread: ex58-ud5 short circuit, 2 different ud5's!




  1. #21
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    I had just unplugged the cable from another Mac so I know the Macs were OK.
    The only Mac problem with Firewire was with the early G5s. A very few were a little hot on the voltage. ALL others have met the 1394 spec.
    I had a talk with a manager at Micro Center and she agreed to give me a refund on the MB.
    I was looking on New Egg and the UD5 is no longer available. So is it discontinued from Gigabyte or New Egg just not carrying it anymore? Is there a new bigger, better MB?
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  2. #22
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    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    Well I mean using MAC System or disk on this board, with Firewire and Target disk mode, that is the issue I am trying to say.

    You are using MAC sys/disk on this board correct? If so then that is the problem, the firewire/target disk mode. If not, sorry if I misunderstood you.

    Newegg just does not have any in stock is all when you see that, it is not discontinued

    Actually, just checked for you and it is listed now ($278)
    Newegg.com - GIGABYTE GA-EX58-UD5 LGA 1366 Intel X58 ATX Intel Motherboard - Intel Motherboards

    UD4P is also a great choice if you need to save some $$, but it is out of stock at the egg right now though

  3. #23
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    The real Mac was in target disc mode. The UD5 was running 10.6 Snow. I beta test server, client, and ARD for Apple. 10.5.8, 10.6, and windows 7 were all running rock solid. When Apple finally released 10.6 I decided to use the UD5 as my main machine, that's why I was hooking up my old, main, computer to migrate all my personal info and data.
    On another note, do you know if Gigabyte has a dual i7 MB? Also one with 1394b and the new SATA?
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  4. #24
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    I do not believe they have a board like you mention, but I could be wrong.

    Sorry I know nothing about MAC, so kinda lost. So you are running MAC something then on the UD5? If so, as I said I have seen this to cause several issues in previous posts, some actually killing hardware such as the link I posted.

    I am only trying to help, with limited knowledge on this subject though, so sorry if you don't think what I say applies, but I really do if you are using MAC and Firewire on this board as that is what killed it I do believe

    So if you do get another Gigabyte board, DO NOT use firewire and MAC on the board or the same will likely happen

  5. #25
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    This is one reason people continue to buy real Macs. They are built to server standards, not consumer standards. I'll probably just put a Firewire 800 card in and be dune with it, on the new board.
    Well, at least the new board will pretty much be a drop in and I can start with the OCing
    When I take the old MB out, I'll look it over for anything strange and let you know.
    Thanks for all your help, I really appreciate it!!!
    Last edited by katman; 09-09-2009 at 08:28 PM.
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  6. #26
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    Just happened to me AGAIN! Now, I didn't mention previously that I'm also running OS X on this board (internal drive, not using target disk mode with a real Mac), but the past 2 times Windows has been running when the board quit working. This time it quit when I went to power on this morning. Fans for a split second and then the same to LED's came on and it won't start up. The components that fried with previous boards hasn't fried yet because I haven't tried restarting a bunch or times, which is what lead to the component frying the other times.

    I wonder if this is firewire related as you guys have been talking about that. I have a Metric Halo ULN-2 audio interface connected to the firewire port, and that's it. But it is a Mac only interface (at least until Windows drivers are written), so I wonder if there is a connection there?

    I'm going to reset the CMOS then report back. I'm also going to go get another power supply to see if that helps. I guess I need to get new ram too for testing reasons.

    I also wanted to add that the backup battery is no longer being used and I'm powering the computer with a different outlet which is on a different circuit than the outlet used the past 2 times the board fried.
    Last edited by Vocalvoodoo; 09-09-2009 at 11:46 PM. Reason: added content

  7. #27
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    Tried clearing the CMOS multiple times, per Lsdmeasap's instructions. Bought an Antec TruePower 1000watt PSU (because that was the only quality one Best Buy had in store). Took the mobo out of the case and just connected one stick of ram and one video card. Tried with nothing connected except the CPU, switched out the Noctua heatsink with the Intel heatsink for the hell of it, but nothing seems to work. Still the same outcome, the fans power for a split second then nothing with just the DDR Phase LEDs lit.

    I was hopeful that a new PSU would help since that seemed to fix it for a few people with this problem, but nada. I'm at a loss, this will be the 3rd RMA.

  8. #28
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    This is strange!!! Firewire is hot swappable and also works as a network with IP addresses and all. I wonder why Gigabyte still uses the old slow 400 FW when 800 FW has been around for so long, especially on their flagship MBs? The windows world always favored USB but it took 2 drunk Apple engineers to get USB to work with 127 devices on stock Macs. I still don't think it can be done in the windows world.
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  9. #29
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    I sympathise with your problems. Three board failures is just too much.

    I had no idea that Firewire could adversly effect a board in such a way.

    Lsdmeasap, when you said
    Quote Originally Posted by Lsdmeasap
    if you are using MAC and Firewire on this board as that is what killed it
    did you just mean the combination of using Firewire and running the board as a hackintosh/MAC, or did you mean MAC in some other way. Sorry if I appear stupid on this, but I have zero experience with either Firewire/1394 or with Macs in general. Good to see Macs still very much alive and viable though and also using i7 etc. For me a PC is the best solution and I don't need to pay the price premium for a Mac Pro etc, but the design and look of the newer Intel based Mac and Mac books makes me wish I could build a PC that looked as sexy!

    The Antec PSU you bought is definitely a top notch component, so PSU is most certainly eliminated from the equation.

    I wonder if there's any way you can exchange the board for an alternative Gigabyte model or maybe a revision A when they are released. Perhaps enquire about this, probably by telephone is best, to whom ever you're RMAing the board to (not sure if it's Giga or your supplier).
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  10. #30
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    Default Re: ex58-ud5 short circuit, 2 different ud5's!

    Thanks, man. It is pretty frustrating.

    The question is, will the new PSU keep the mobo from frying again? I guess that will be answered as soon as I get another mobo. Luckily Newegg has been VERY helpful in this matter and has refunded all three boards. I can't help but think the PSU is spiking and causing the problem, but that is purly speculation.

    I think what I may do when the refunds come is maybe try a different brand of board, or maybe a ex58a if they are out by then along with 3 new sticks of ram.

    The interesting thing is that a good number of people seem to have this problem, but the same solutions don't seem to always work such as a new PSU. I wish Gigabyte had a definite explination of what those two DDR Phase LEDS being lit meant.

    Anyway, thanks again for the help. Hopfully it will get ironed out soon. I guess in the meantime I'm going to have to just get a cheap computer so I can work while I troubleshoot this one. Would be a lot easier if money was flying out of my arse. :)

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