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G.Skill PC8500 2x2GB. Will it overclock well? - Page 4

post #31 of 36
Quote:
Originally Posted by -n7- View Post
I don't foresee much in the way of good OCs from all the lower binned G.Skill presently, since they are putting all the good ones into the DDR2-1100 & upcoming DDR2-1200 kits.
Yeah, that was my conclusion as well. G.Skill is sorting their PSC chips really well. Good for their bottom line, not so good for those looking to get overclockable memory.
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post #32 of 36
I have seen people using your mother board and that Ram has easily ramped up 1066mhz and higher. i think you would be a total fool if you did not grab them!

especially if you got a good price on them!

OC AWAY MAN!!
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post #33 of 36
Quote:
Originally Posted by StormX2 View Post
I have seen people using your mother board and that Ram has easily ramped up 1066mhz and higher. i think you would be a total fool if you did not grab them!

especially if you got a good price on them!

OC AWAY MAN!!


His RAM is DDR2-1066 at default.

He can do ~DDR2-1100 max he's saying.

While that's not a bad speed, it's not very spectacular OC at all.

My lowly 8 GB DDR2-800 Mushkin can do ~ DDR2-1080, or if i pick only the two better DIMMs (2x2 GB), DDR2-1100.

Now that's impressive to me, as i started at a far lower speed in the first place.
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post #34 of 36
It is not really more impressive, as the G.Skill PK series are just DDR2-800 DIMMs factory overclocked to 1066.
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post #35 of 36
Quote:
Originally Posted by TheFlyingWallaby View Post
It is not really more impressive, as the G.Skill PK series are just DDR2-800 DIMMs factory overclocked to 1066.
Okay, i see that comment too much, so i'm going to nitpick on you today, sorry.

While it's semi true sorta, it's not the whole picture, nor entirely accurate.

With most DDR2 Micron, the factory stock speeds @ 1.8v JEDEC approved are known.

Example:
D9GMH is DDR2-667 5-5-5 1.8v by default.
D9GKX is DDR2-800 5-5-5 1.8v by default.
D9JKH is DDR2-1066 7-7-7 1.8v by default.

And so on.

But for PSC or really any of the other manufacturers of RAM, i've never found the default ratings published or listed anywhere, which means that saying that G.Skill is DDR2-800 overclocked is an assumption.

For all we know, it might be DDR2-1066 6-6-6 1.8v at default...the fact is, there's no proof what speed it was manufactured for.

So you can't really say it was DDR2-800 overclocked, since there's a lot more to it.

And binning by the companies selling it (G.Skill, OCZ, etc.) also determines how good a kit may do.

Generally, especially as a certain IC ages, they tend to have more & more kit outs out, & they tend to get better & better with binning, which is why i've said before i actually like when companies don't sell so many different rated kits.

The fewer they have, especially if they have no "high end " DDR2-1066+ kits, the better chance you have for a higher OC from the lower end cheaper kits.

Now that's a bit of an assumption on my part i will admit, but it's generally backed up with people's OCing results.

Once they have so many different kits like G.Skill does right now, the odds of getting great clockers from their cheaper stuff becomes smaller & smaller.

But on topic, don't say it's factory OCed DDR2-800...

There are a number of ICs out that are DDR2-1066 7-7-7 1.8v default now, & sometimes those are what gets turned into the DDR2-1066 5-5-5 2.0v kits in some cases.

Etc.



P.S. The values in CPU-Z's SPD tab are just that. SPD values programmed by the manufacturer (G.Skill, OCZ, etc.).
They are generally NOT the default speed that PSC or Elpida or Samsung or Micron designed them for.

You can get a SPD modifying tool & change those numbers yourself...
Edited by -n7- - 7/30/08 at 7:41pm
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post #36 of 36
Good summary.

As for the original rated speed of these ICs, I don't think PSC makes anything higher than DDR2-667. They probably have extremely good yields, so can sell ICs at rock bottom prices, saving money by letting the module makers bin the chips.

Could be like Winbon's old strategy with their UTT chips. They just made them and sold them, no guarantee they would run at a given speed, or even that they would worke. OEMs still bought them though, as most of them worked more than well enough, and a handful were incredible.
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