Quote Originally Posted by nyeah View Post
i've tried it to pcie 104 still no POST,
what max safe for pcie freq ?
Hmm. I think you need more Vtt.

I don't have a UD7 yet, but it shouldn't be much diff than X58. 108-112 should be enough (safe?) to get max BCLK. So if 108-112 doesn't help at all, I'm thinking you need to raise Vtt some more. Even though CPU and mem are pretty light in your template, 220+ BCLK isn't necessarily a walk in the park. IIRC (too many boards/procs), I'm usually at 1.50-1.55Vtt on my 920 for >220 BCLK benchable (on the UD4P with 108 PCIe).

You might also try lowering CPU PLL to 1.50V and try adding a bit more to IOH Core to see if it helps.