Intel DP55WB not booting with Asus R7-260

Beigne

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Jan 8, 2010
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I have an Intel DP55WB with an i7-860 and 8 GB of 1333 ram. When I install the Asus R7-260 the system boots to the bios screen and hangs with the F2 - setup F-10 boot options and 5A on the screen. If I put the old card into the system it will boot fine.
I have updated the bios to the latest provided by Intel with no change. I have pulled the CMOS battery, drained the power and tried putting the board into bios recovery with no change.
Has anyone else experienced this issue?