Can't change BCLK speed?

modernwar99 · Jan 30, 2015

I have a ASRock H97 Pro4 mobo and in the BIOS there is no option for the BCLK speed. Was thinking of bumping down RAM speed to increase the BCLK speed a couple of MHz to OC CPU. In Intel Extreme Tuning Utility the option is there, but is greyed out and can't be changed from 100Mhz. It would be strange for this mobo to not support BCLK overclocking as another cheap HP computer allows you to change BCLK speed, but at this point I'm starting to believe it doesn't. Would a BIOS update do anything or not?

photonboy · Jan 30, 2015

If it's greyed out I would assume you can't change it.

I think the option would appear for "K" series CPU's only like it did with H87 but I'm not certain about H97.

I'm reasonably certain a non-K series Intel CPU locks down the BCLK.

modernwar99 · Jan 31, 2015

Must be the cpu itself then. Odd this would be as the hp computer I was talking about has a multiplier locked AMD phenom 2 in it and I can BCLK OC it, stock cooler on it sucks though so limits what I can do.

photonboy · Jan 31, 2015

modernwar99 :

It's not odd at all. You're comparing a new Intel system to an older AMD one; it's got very little to do with HP itself.

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Can't change BCLK speed?

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