Gigabyte EX58-UD5/Extreme Discussion Thread

[SteveRo]

I'm not sure if it is a CPU or Mobo limitation, or am I missing something in the bios, but I'm trying to find why my BCLK seems to be to the lower end of the scale compared to others.

Vcor is 1.39 under load in all examples, these are prime stable for 1 hr, additional vcore does not raise the o-clock in any of the examples.

With Turbo off, the cpu scales to 196 BCLK, or 3920
With Turbo on for the 21x multi to 196 BCLK or 4116
With HT on, Turbo on, 181 BCLK for 3801
With HT on, Turbo off, 190 BCLK doesn't work ?

Now in the last example, it fails within a minute of prime95, with the screen freezing for a few seconds, then a reboot, the same as raising the BCLK in the first 3 examples.

Vdim = 1.64v
QPI = 1.34v (raising it doesn't help)
LL= on

The remaining voltages are auto

QPI multi = x36
Uncore = x16
Mem = x8
X.M.P. = on

I'm using the 4l beta bios, and load temps are in the high 70's with no throttling.

Any suggestions to what might be holding me back ?

You might be having some conflict with uncore and mem multi's.
I try to stay away from uncore/mem=2. I think I have read that uncore/mem needs to be ration of x2 + 1 clock count.
The other thing might be the bios, you are on f4L?
What is xmp? - edit - found it - presets stored on the memory
CPU multi of x21 has been the sweet spot for me.
See above for the bios mods that I would reco.