Gigabyte EX58-UD5/Extreme Discussion Thread

[rge]

I said above that this problem can have other side. I had exactly the same problems as you when i upgraded from F4j to F4, but yesterday when I upgraded from F4m to F5a I had no problem in reaching the 211 bclk, and none of the serious stability problems that I had before (only worse performance now). It´s very difficult for me to explain this in English, but I think it is something related to how the board adjusts its internal values, specially for memory, after a flashing or a re-setting. For example, working in the same Bios, I have found that is much more stable and safe set the voltage first and then go up the bclk than set the bclk first and then try to adjust the voltage (normal procedure).
At the bottom, I can only say that with this new procedure the board is fully Linpack stable @ 1.34v Qpi, while in the "old fashion" way is impossible to descend under 1.40v Qpi, and now when upgrading my bios i not have none serious problem.
I hope that at least some of what Im trying to say is understandable...

I set all my settings, except bclk, reboot, and then set my bclk, but still does not help. I have manually locked all my secondary settings to bios F4m/f4j values both, but no help. I spent hours and hours trying different ways, but I can boot the first time at any bclk, including I can run stable at 200x21 in F5a or F5b. The problem is, whenever I reboot or shutdown the computer, after having "stable settings of 21x200", it will not reboot, unless I shut it down completely, hit reset, and then it will boot ok at 21x200. There is some bug that everytime I reboot, I have to hit reset.

I take it you can reboot without hitting reset button? If I left my computer on all the time, and never rebooted, I could use bios F5a or F5b. But having to do a hard shutdown, reset everytime is ridiculous.

I think it has something to do like you said with settings we can not manipulate or a bug introduced by them trying to fix resume from sleep mode. But problem isnt getting stable settings, it is having to hit reset button on every reboot.

If you can reboot yours, can you list exactly all your settings you changed...and I will try to duplicate, even secondary mem timings.