Originally Posted by Undervolter
If you find time, try to see if you can overclock to say 4.3 with multi only. We need to find out what's happening with this motherboard, because it's the usual proposal for cheap overclocking rigs. IRush was the first to complain with 2 UD3P rev2. Bonami is the 2nd. I don't like this.
If you put in the overclock from BIOS the board will boot at 5 GHz with no BCLK change, multi only. But, if you shut it down and try to restart you need to reset the CMOS. If you restart the machine you need to reset the CMOS.
Before the board used to give a little boot failure screen. The only time I needed to reset the CMOS was when my memory settings were too aggressive. But now... the board seems to need a CMOS reset often. Maybe it's related to leaving turbo on (but now APM)? I tried this to see if it would work around the multi issue.
I think in rev 1 the VRM heatsink is using screws and springs. If yours doesn't have springs, but push pins, you will have some trouble... When i removed the pad from the heatsink of Asrock 970 i applied paste, because i didn't have a pad. But the heatsink became more loose, because the pad's thickness was now missing. The ceramique being viscous, "glued" it, but if you push an edge with your finger, you can detached somewhat the heatsink. So be sure you look at the back before removing the pad. Because you wouldn't want to have loose VRM heatsink for high clocks. If it has springs, then it's likely you can tighten the screws more and be ok. But push pins can be a problem.[/quote]
It uses screws and springs, it seems. The northbridge uses push pins.
The board seems to be stable with 225 BCLK so it's still probably a good choice for a cheap motherboard — if you're not trying to get past 4.5 GHz. The VRM cooling is poor in my opinion, though. Even 4.5 is a problem when running Prime.
The bizarre thing about the board is that it seems to run well enough at high clockspeeds the first time you boot into Windows from BIOS. So it seems like Gigabyte is hamstringing the multi overclocking purposefully. Regardless, though, the VRM cooling is so mediocre that you're not going to benefit from avoiding BCLK overclocking in favor of pure multi anyway, probably.Edited by superstition222 - 10/25/15 at 4:58pm