i have found only this in supermicro bios list, we have to look into intel mobo i think.Updated all the microcodes, 306F2 was outdated, but it did not change a thing. Might try older microcodes for 306F1. Perhaps you know where I could find these ones?
║000306F1 │ 000000EF │ 80000014 │ 20131113 │ 00008800 ║
║ 000306F1 │ 000000EF │ 00000013 │ 20131021 │ 00008800 ║
║ 000306F1 │ 000000EF │ 80000013 │ 20131002 │ 00008800 ║
║ 000306F1 │ 000000EF │ 80000011 │ 20130816 │ 00007C00 ║
║ 000306F1 │ 000000EF │ B8010100 │ 20130304 │ 00000400
Thanks
X10SRA4_B07.zip,2956 80000013 │ 20131002
https://www.supermicro.com/support/resources/getfile.php?SoftwareItemID=2956