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Supermicro x9dai won't post, beep, boot or much of anything else

This is the second motherboard with the same issue. At this point, I assume it is something I'm doing wrong and not the hardware. That said, it is driving me crazy! I have the motherboard in the case, I"ve tried booting it with no cpu, one cpu and two cpus. The same with different combinations of ram and power supply connections to the board. The 24 pin from the PS to the MB is connected and so are the other 2 8-pins (I've tried with just 1 8 and the 24 and both 8's with the 24...again, can't get the system to just post. This is leading me to believe the board is toast. I have contacted SuperMicro (no help to this point). Thanks in advance for any help, its much appreciated.

Posted by Anonymous on

  • nicolae cristian Nov 05, 2013

    this mb will no boot with v2 of cpu from intel.You must upgrade your bios to ver. 3.0 with an older cpu.The 8-pin conectors must be pluged in for cpu's!!!!



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This motherboard won't work with latest v2 cpu's from intel , until you upgrade your bios to 3.0 version.(you must plug your 8pin conector for cpu's , both of them !!!!!).So you must start the mb with an older cpu , then upgrade bios .

Posted on Nov 05, 2013


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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SOURCE: System will not start up. Cpu fan spins once, then nothing.

It is more than likely that when your old power supply died a death, it damaged some components on the motherboard. Replace the Motherboard and chip, and you should be back in business. You can pick up some good value bundles to save money on buying the parts seperately. The power supply working again after turning off and on, is because there is a little trip in the power supply that triggers when it detects a fault. Powering down resets that trip allowing it to try and work again.

Posted on Mar 05, 2009

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SOURCE: WINFAST 760GXK8MC motherboard problem

It's possible that while booting your motherboard without the 12V power connected you physically damaged some components which eventually lead to the chip burning up.  However, it is quite possible that this motherboard was defective as Foxconn has discontinued it.  I would recommend RMA'ing (return merchandise authorization) the motherboard back to Foxconn.  While no one wants to wait for shipping it is probably your best bet.  Even if you order the chip that has been damaged, and can properly solder it back in place, there will most likely be other physical damage that is not visible to the eye.  I would recommend another motherboard, and Foxconn has quality mobo's for around $50.  Try visiting Hope this helps :)

Posted on Apr 22, 2009

  • 70 Answers

SOURCE: gigabyte MB no boot ga-ma790fx-dq6

did you replace the battery on the mainboard if its weak it will not beep

Posted on Aug 05, 2009

  • 396 Answers

SOURCE: SuperMicro X7DAL-E will not power up

I am using the same board with a PC Power and Cooling 1 K Watt power supply which is a little high in price and no longer available. I have been using PC Power and Cooling since the 1980’s and have had few problems and they have always kept up with the latest power standards if not exceeding them. The replacement power supply has even more power.
However, you can find adapters to use 4 pin IDE drive Power connectors for the 4 and 8 pin power connectors. PC Power and Cooling and Cables To Go both sell them. That is the cheapest fix for you but I would also use the PCI-E auxiliary power connector.
Follow the links:

Posted on Jan 22, 2010

  • 2992 Answers

SOURCE: I've got a new Gigabyte

Most motherboards now have a 24-pin power supply connector. If you haven't already found a diagram showing the pinouts of the 20- and 24-pin power plugs, here's one borrowed from a handy site:


The two plugs are essentially the same, but the 24-pin version duplicates some voltages on the extra pins. The extra pins in the larger connector were meant to provide extra current paths for voltages that see heavy loads from newer processors and motherboard circuitry. Depending on how a motherboard is designed, it might work with a 20-pin plug connected (leaving pins 11, 12, 23 and 24 empty). But typically if the board has a 24-pin connector it needs the 24-pin power supply plug.

Most power supplies have a 20-pin plug with a separate 4-pin section that fastens to it for connection to a 24-pin mobo connector. It typically has one side designed to slide onto the end of the 20-pin plug, essentially turning it into the 24-pin version. This added plug does not have a retaining clamp on its side, so you can tell it from the the 4-pin CPU power plug. The wire colors are also different. For reference, here is the processor power plug, from the same website:

New motherboard specs call for the separate processor power connector for the same reason the extra pins were added to the power supply connector: to handle the high currents needed by increasingly faster CPUs.

When the motherboard has these connectors, you need to use them all to get everything working. Hope this helps. Thanks to for the diagrams, and thank you for using Fixya.


Posted on Nov 20, 2010

Testimonial: "Thanx - cleared up the confusion about P1. Additional tests are pointing to a d.o.a. motherboard."

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