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Thread: Corsair new HX650, which platform?

  1. #151
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    Quote Originally Posted by Redbeard View Post
    Far from it. It's much riskier to have a single source for a product than to have a backup in case you can't get product.
    Truer words were never spoken. There is no component as expensive as the one that's holding up your whole damned production line.

    Do you remember the number of times that Apple has paid up front for a large fraction of the world's Flash production? That's in exchange for a guarantee that "if you have production problems, you'll short your other customers before shorting our order".

    But that kind of CEO-level negotiation is expensive; if possible, just qualify a second source.

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    Quote Originally Posted by steve1616 View Post
    It shows consistancy of compatibillity, which is very important. Or is it? I mean this is what redbeard says separates their engineering. It shows something very important to me because a good psu shouldn't have any incompatibility problems?
    Well, if there are some, the mobo manufacturers are to blame.
    It's usually their fault...

    And well, some of them ain't good they just look good...

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    I think that is the problem. Everyone passes the blame. If previous power supplies work with this motherboard, than the power supply companies are at least equally to blame.

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    Quote Originally Posted by steve1616 View Post
    I think that is the problem. Everyone passes the blame. If previous power supplies work with this motherboard, than the power supply companies are at least equally to blame.
    The problem is that the specifications (ATX) don't change as often as the hardware does. Most of the time this is fine, but sometimes putting OCP/OVP on a PSU can break compatibility, for example.

    Our HX520 and HX620 PSUs don't work with a Foxconn nForce4 board. Why? Turns out that the +5Vsb on the motherboard spiked momentarily to 6A or something during boot, just for a fraction of a second. Since that was over the +5Vsb load on the PSU, any PSU with OCP on the +5Vsb rail would have turned off, and ours did.

    But guys with cheapo $30 PSUs could run that board just fine.

    Kind of tough to explain that to a guy who just spent $150 on a PSU.

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    The 5VSB current draw on DFI NF4 boards was a sore point. Several OCZ units did not work out of the box (underwhelming Topower notwithstanding). It was a board that pushed the edge in terms of what you could control. A classic YMMV starting with ZERO.

    The point is, both PSU and MB ought to adhere to ATX specs or at least ensure that their startup systems are compatible.
    Software readings are crap.

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    Quote Originally Posted by Super Nade View Post
    The 5VSB current draw on DFI NF4 boards was a sore point. Several OCZ units did not work out of the box (underwhelming Topower notwithstanding). It was a board that pushed the edge in terms of what you could control. A classic YMMV starting with ZERO.

    The point is, both PSU and MB ought to adhere to ATX specs or at least ensure that their startup systems are compatible.
    Agreed. But when it doesn't work, the end user doesn't usually have the tools to find out why. All they know is that their $150 PSU doesn't work with their old $70 motherboard or their $50 PSU doesn't work with their new $300 motherboard or whatever.

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    Quote Originally Posted by Redbeard View Post
    Agreed. But when it doesn't work, the end user doesn't usually have the tools to find out why. All they know is that their $150 PSU doesn't work with their old $70 motherboard or their $50 PSU doesn't work with their new $300 motherboard or whatever.
    Worse is when a $300 psu doesn't work with a $400+ mobo. Talk about a sad customer, and because of the price they paid for such elite hardware they are in denial about what could be the cause.
    Corsair 650D
    Corsair HX620
    Q9550 @ 3.825GHz
    Maximus II Formula
    DDR2 Mushkin Ascents @ 1080MHz
    WD 1TB Caviar Black x 2 (RAID1)
    OCZ 120GB Vertex2 SSD
    EVGA GTX285
    Samsung T240

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    Quote Originally Posted by Redbeard View Post
    Agreed. But when it doesn't work, the end user doesn't usually have the tools to find out why. All they know is that their $150 PSU doesn't work with their old $70 motherboard or their $50 PSU doesn't work with their new $300 motherboard or whatever.
    Indeed. It is a bit frustrating for the end user. However, in my view, the onus ought to be on the MB manufacturer to rectify the situation. But that rarely happens and if it does, the end user is usually stuck with beta hardware while the MB Mfg comes out with a ver2.00.

    It gets worse when you have a jerk or two handling customer support (DFI street).
    Software readings are crap.

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    Quote Originally Posted by Redbeard View Post
    The problem is that the specifications (ATX) don't change as often as the hardware does. Most of the time this is fine, but sometimes putting OCP/OVP on a PSU can break compatibility, for example.

    Our HX520 and HX620 PSUs don't work with a Foxconn nForce4 board. Why? Turns out that the +5Vsb on the motherboard spiked momentarily to 6A or something during boot, just for a fraction of a second. Since that was over the +5Vsb load on the PSU, any PSU with OCP on the +5Vsb rail would have turned off, and ours did.

    But guys with cheapo $30 PSUs could run that board just fine.

    Kind of tough to explain that to a guy who just spent $150 on a PSU.
    It is almost impossible to explain. I finally figured out that the ONLY way to protect yourself is to insist that your client's are given as few options as possible, especially on things like PSU & RAM that cannot bee seen. By insisting that that the clients go with "proven solutions" and "known good" components, in "proven configurations" we can greatly reduce, but never eliminate, these problems.
    Yes. One of the last commincations I had with Dave Hammock before he disappeared from the web was how a major brand single +12V rail PSU wasn't shutting down when shorted. We were literally arc welding with the PSU. Hopefully Dave's absense isn't due to the fact that he got over zealous with the welding.
    JonnyGURU Posted 4-1-08

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    Quote Originally Posted by davidhammock200 View Post
    It is almost impossible to explain. I finally figured out that the ONLY way to protect yourself is to insist that your client's are given as few options as possible, especially on things like PSU & RAM that cannot bee seen. By insisting that that the clients go with "proven solutions" and "known good" components, in "proven configurations" we can greatly reduce, but never eliminate, these problems.

    This is how system integrators typically work. Guys like Puget, Alienware, Dell, etc. Their brand is at stake, so they only sell stuff that they validate.

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