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Flashing a Processor

post #1 of 15
Thread Starter 
Why isn't it possible for us to "flash" (for lack of a better word) processors themselves to retain clock speeds?
Intel must do something similar to this, considering all they do is bin their chips and then clock and name them accordingly.
Can something like this only be done on the hardware level?
Edited by VanillaCena - 5/4/11 at 6:35am
post #2 of 15
A CPU doesn't have a BIOS so how could it even retain specific clocks except the stock ones???? Plus, not all motherboards can hold some voltages and such, so why would you want to do this?
 
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post #3 of 15
Depends, do you have the ability to modify processors, and the lasers and such to make the needed modifications?

I have no idea precisely how they make the changes, but after a processor die is made it is tested and "binned". Good silicon goes into the higher-frequency chips, worse silicon goes into the lower speed chips, and the multipliers are locked.
    
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post #4 of 15
This would not be very cost effective, lol. I would assume it would require remove of the ?IHS?, the metal cap, and messing with the CPU guts.
 
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post #5 of 15
As others have said, a processor does not have a BIOS to control it. A video card can be flashed because it does has a BIOS, but it's not located in the card core, but in other chip in the same card.
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post #6 of 15
Well, maybe you can? But I bet it would require some serious equipment.
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post #7 of 15
Thread Starter 
Quote:
Originally Posted by snoball View Post
A CPU doesn't have a BIOS so how could it even retain specific clocks except the stock ones???? Plus, not all motherboards can hold some voltages and such, so why would you want to do this?
I don't really "want" to do it, I just thought it would be something interesting to discuss.
post #8 of 15
Oh I know this...been a while though and I don't remember all the terminaology any more

It is sort of like jumpers...depending on what they bridge together a different PLL(?PPL? some acronym like that) will tell the mother board what the multiplier is. If it is unlocked it just tells the mother board what the max is
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post #9 of 15
I could be wrong, but the only thing the CPU knows is what it's name and supposed clocks are supposed to be. The BIOS just reads this and sets them accordingly.

Something like this is never going to change on the chip, so I'm sure the memory or however it's written on the chip isn't modifiable and is like single-write only. I mean why build this flexibility in if the chip isn't going to physically change?

Just my 2 cents
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post #10 of 15
An interesting thought! For any overclocker I can see the value of being able to "flash" a cpu.

Imagine the possiblilties! you could unlock the multiplier on any processor!
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