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I'm trying to troubleshoot a DZ77GA-70K board. I have an i5 CPU (listed as compatible) and get a port 80h (on board LED) code of E6, and 2-4-4-2 beep code. I've changed video, memory, reset the BIOS jumper, hit the Reset button, but always get the same result. I can't find this beep code in the Intel documentation, and the E6 code is 'loading drivers.' Any ideas would be appreciated.
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I suggest testing the motherboard with minimum components (one memory stick, no graphics or add-on cards, no drives) out of the case, on a non-conductive surface.
Remove power and CMOS battery for twenty minutes. Try another power supply if possible. Do you get three beeps with no RAM installed?
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Thanks for the suggestions. It took me a day to locate a suitable power supply to try, but no dice. Same problem: E6 and 2-4-4-2 beeps. I'm really confused by the beep codes as 2-4-4-2 sounds like a Phoenix code, not an Intel code.
To answer your questions, I am trying with nothing connected (no USB nor video headers used), no cards (except video) and yes, I do get 3 beeps with no RAM installed. I'm coming around to the board being bad, but I wanted it to work and felt I should try everything. Any other ideas, or I'll just toss this one on the recycle pile and get on with other things. Thanks again.
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You may try a BIOS recovery. http://www.intel.com/support/motherboards/desktop/sb/CS-023360.htm Desktop Boards — Instructions for Recovery BIOS Update
Otherwise, see if the board was purchased within the last three years for warranty replacement. http://www.intel.com/p/en_US/support/contactsupport Contact Support

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