Recent content by quickz

Hi AndyE, It looks like your 780 Ti's PPD number is about 10 - 20% lower than it should be. Maybe you should give a try to Linux, a 780 Ti at default clock is known to capable of producing as high as ~200k PPD on P8900 under Linux, with the 331.20 driver.

It's QDDM, not QDMM. And yes, I think both of QDDM and QE3G chips should work in 4p mode.

Does anyone notice that 780 Ti has been released for more than two weeks, but the official linux driver for 780 Ti is not released till now? :confused: Go to http://www.geforce.com/drivers, Manual Driver Search, select Geforce GTX 780 Ti and Linux 64-bit and submit. The result is:

Good results. This PPD coincides with the typical performance of E5 v2 48T @ 2.4GHz. So the turbo clock issue is resolved?

I think Core32 is referring to ES v2 chips? In that case these boards won't work even with a BIOS update. For v2 chips, intel S2600xx boards work with C0 and above stepping only.

The answer might be 'No'. In the release notes of Intel S2600 series boards it said: See http://downloadmirror.intel.com/23040/eng/ReleaseNotes_BIOS_01_08_0003.txt However, most IVB ES chips available at the moment are of B1/B2 stepping.

It's a good news that Asus has solved this problem. As far as I see, Supermicro's boards still need ECC rams to support dual E5 v2. Looking forward to your results on Asrock's boards.

It's strange that the all-core clock is only 2.1GHz. One of my friends also has a pair of QDUDs, but the all-core clock is 2.4GHz and CPU-z can see all 12 cores. He is using a supermicro X9DAi board (with R3.0 BIOS).

Congrats. Looks like a BIOS bug of Z9PA? I think supermicro boards would do better with IVB ES chips. What's the default clock & QPF code of the chip? Can CPU-z recognize all 12 cores now?

Interesting. Can you post a hwinfo64 snapshot for it?

I did some tests about mixing of E5-2600 v1 and E5-4600 v1 processors on a 4p board (Supermicro X9QR7) several months ago. It's found any 2p configuration combinations would work fine (incuding 2600 x2, 4600 x2, and 2600 x1 + 4600 x1). 3p or 4p configurations only involving 4600s also works...

I think it's impossible to let 26xx chips work in a 4p mode, only 46xx chips could do that. However, it's not easy to judge whether a given ES Ivy-B chip belongs to the 46xx series or not. The only tool I found can do it 100% correctly is hwinfo64.The Ivy-B 46xx's codename reported in hwinfo64...

Intel hasn't release the E5-4600 v2 series yet. However, you can find some leaked models of E5-4600 v2 on wikipedia: http://en.wikipedia.org/wiki/List_of_Intel_Xeon_microprocessors The above ES chips (QE3G, QDDM) are best matched to Xeon E5-4657L v2, I think. In my estimation, the maximum...

Hi -alias-. I think this chip is not what you need. Accroding to the hwinfo64 & cpu-z snapshot, the link you provided is referring to a 2p chip, which is not 4p compatible at all. You should look into this one instead...

Very strange. What are the GPU load numbers (reported by GPU-z) for your 780Ti and for Titan when folding?