Abolishing Memory Limits

Previous tests had all been run using 3x1GB Kingston Hyper X CAS 9-9-9 2000 and G.Skill CAS 9 2000 kits. Oddly enough, we'd never managed to get either of these kits fully stable over 1900MHz with any of our 920 processors when pushing BCLK above 200, leaving us to believe that the IMC of the 920s we have were just not up to the task of these speeds. No amount of tweaking or voltage adjustments really helped either, leaving us stuck at clock speeds that were nowhere near the CPU's capability.


Inserting the Corsair Dominator GT modules ushered in immediate headroom on the 2:8 memory divider. Our previous best 231 BCLK setting for 3DMark06 gained an instant 11 BCLK using CAS 7-8-7-20 timings with a 6GB memory load. This is even more impressive given that the 231 BCLK run shown previously used CAS 8 timings on a 3GB kit that showed no potential for further scaling.



The combination of Classified and Corsair GT manages a very impressive 242 BCLK with HT on - again unheard of.

We then focused on a maximum suicide shot for CPU-Z using the Corsair modules. We eased the load on the integrated memory controller by going to 8-8-8-20 timings to allow the CPU frequency to scale unhindered. The result is a 254BCLK for a 5.3GHz clock on the retail 920 CPU.

Classified + 920 D0 meets Cascade and LN2 Taking Things Down Another Notch
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  • JackFoobar - Tuesday, May 12, 2009 - link

    Yea, and Hechler & Koch in Germany hasn't shipped any US parts in 4 months. While it's unrelated to computers, it's a similar issue. Overseas shipments have been slacking since the election.
  • C'DaleRider - Friday, May 8, 2009 - link

    I suppose you can fix a 40mm fan to the sink, but has anyone tried a solution like the Antec Spot Cooler aimed at the sink instead? I've found the Spot Cooler to be a very flexible solution to difficult cooling problems.
  • icingdeath88 - Friday, May 8, 2009 - link

    Neat, good find. I'd never seen anything like that before. bet it would be kinda loud and whiny though.
  • QChronoD - Friday, May 8, 2009 - link

    I enjoy reading about boards like these, especially when you guys get to break speed records and all that.

    But would it be too difficult to put together a small writeup every few months on the new boards that have come out. I want to upgrade my old A64X2 system to an i7 920, but the damn motherboards are so expensive. I can find prices on boards easily, but its hard to find reviews about many of them from places that I trust to know what they're doing.
  • takumsawsherman - Friday, May 8, 2009 - link

    Not only are the motherboards expensive, most don't seem worth it. I won't mention the fact that this $400 board doesn't even have Firewire 800. The $600 mac mini has this, and that includes a processor, graphics, and hard drive, and and enclosure. Oh wait, I just did.
  • Rajinder Gill - Friday, May 8, 2009 - link

    I'd have thought people who are still intent on Firewire do what you did - buy an Apple. I hardly think those that benchmark for fun are bothered about Firewire. In fact, I happen to know that most disable it in the BIOS. Others that care about any form of high speed interface are more concerned about the next step for USB. It's not the intended market of the board at all IMO.

  • JAG87 - Friday, May 8, 2009 - link

    QFT. What do you need firewire for? I always disable it together with onboard audio. If you need fast access to external storage you should be using eSata, plus USB 3.0 is coming and it will make firewire obsolete for good.

    Anyway my own opinion of the board having owned it since day 1, is that it's simply the best overclocking desktop board ever made. The only boards that have touched the same heights as the classified are some DFI boards. The difference with DFI is, you have to put up with ridiculous bioses that have settings which neither you are I have ever heard of before, and their support compared to EVGA.

    I have a shitty C0 chip and I can clock it at 200x21 without touching any voltages on the board just vcore. It all depends on the chip, but the board itself can do 200 bclk at stock VTT, which is 1.2V for this board rather than 1.1V. If you don't have crazy IMC demands like Rajinder, you can leave every voltage at stock and still achieve 200 bclk. That's just amazing IMO.
  • takumsawsherman - Saturday, May 9, 2009 - link

    Well, if you ever want to record music using your computer (Cubase, etc), good luck with USB-XLR interfaces. Unless you are using Firewire, be prepared to waste a lot of time recording over and over because USB falls off too quickly.

    Meanwhile, I'll take a Firewire 800 external drive interface over eSATA any day. They are far more durable when you are actually using the plug for it's intended purpose (plugging and unplugging and moving the drive, etc).

    Then, of course, you can daisy chain your devices. It'd be one thing if this was a $150 board. But for $400 you should be getting the best of everything. Nothing should be second rate so that they can save $5.
  • erple2 - Sunday, May 10, 2009 - link

    You're complaining that this board doesn't have some feature for an audience it wasn't intended for? Is it just me, or does that sound a little ... odd?

    I suppose you're also the type to complain that the necessary sound and video equipment to record a live concert doesn't fit into a Lotus Elise?

    Honestly, you need to realize who the intended audience for this product is. This board is intended, rather strictly, for the overclocking crowd, not for the general public that wants to use some FireWire peripherals.
  • JackFoobar - Tuesday, May 12, 2009 - link

    I seem to see this mentioned in every review on anandtech. What's the obsession with that interface? Nobody I know uses it unless they are apple people. I'd like the best of everything on the board too, but firewire isn't the best of anything. Why bother.

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