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The end of non K chip overclocking...
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The end of non K chip overclocking...Posted:

Zayev
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So, it has been a thing with Skylake CPU's where in the BIOS you could change the BCLK and therefore, overclock the CPU as if it were unlocked. It was all fine and dandy with motherboard vendors advertising that you could overclock non K chips.... until recently.
Intel seem to not be overly happy that users can exploit the BCLK on non K chips, and thus are
"forcing motherboard vendors to issue a new BIOS update to remove the ability to overclock non-K chips."
So this looks like it may very well be the end of cheap overclocking, yes i bet there are ways to get around this or just not update the BIOS if you already have a skylake system and have a non K chip overclocked, but if you're just about to buy into it, by the time you purchase your hardware then the board will have the new BIOS, disabling BCLK adjustments.
back to spending more for a K series chip if you want to overclock then i guess... shame as it was nice not having to pay a premium for overclocking on top of the extra for a Z170 board and a good cooler..
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#2. Posted:
-Deano
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Sucks that Intel are doing this just as a way of making more money on the K variants.
Surely the chip itself can't vary that much from the non-K equivalent anyway?
#3. Posted:
Zayev
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I do believe that there isn't much of a difference in the chip, just an unlocked multiplier.
Yeah, I do believe that it is so that Intel can make some more money on their $50Bn+ profits yearly...
#4. Posted:
Craig
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Being able to overclock locked CPU's is kinda stupid to be honest, just shows you how much Intel want money. Same chip but £50 stuck on for the bants on OCing.
#5. Posted:
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-Deano wrote Sucks that Intel are doing this just as a way of making more money on the K variants.
Surely the chip itself can't vary that much from the non-K equivalent anyway?

The 6600k and 6500 are identical, they're from the same silicon, the 6500 will just have a cut down clock speed and locked multiplier. However, with unofficial BIOS', you could overclock the BCLK on Skylake chips(not available on previous, recent Intel chips), whether they had an unlocked multiplier or not.

Craig wrote Being able to overclock locked CPU's is kinda stupid to be honest, just shows you how much Intel want money. Same chip but £50 stuck on for the bants on OCing.

I legitimately don't understand why they're not open to just having all of their chips unlocked, or even more unlocked chips without a huge increase in cost for an unlocked multiplier. Sucks, because there's no officially unlocked i3s, and there should be.

I'm not quite sure how the unofficial BIOS' worked, since I don't own a Skylake system, but surely you can still just flash an unofficial BIOS that supports BCLK overclocking, if you can find one?
#6. Posted:
Balor
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Got a 6600, wasnt paying extra for a 6600k. Both chips perform the exact same, ill never OC anyway so im happy, plus i only paid £155 for my i5, thanks amazon xD
#7. Posted:
Boxty
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Them locking it down seems like a good idea to me, its smart business to have a tiered range of products each costing a little bit more regardless of the effort it takes to make. Aside from that the unlocked chips will be likely binned so they can at least run a few points of a Ghz faster than the locked variants.

As its done with microcode changes made in the BIOS you can either not upgrade your BIOS (and not fix the Skylake bugs) or just try to tamper yourself with a mod tool which could end up with multiple features not working correctly if at all.
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