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[Official] - Xeon X5660-X58 Review & Discussion [and Xeon L5639 benchmarks inside] - Page 780

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249 Total Votes  
post #7791 of 7811
Quote:
Originally Posted by theister View Post

Looks like your mobo just disables the turbo-mode option if you set the all-core turbo multi manualy.

For the x5660 the max non turbo multi is 21. with turbo and c-states enabled it can boost 1-2-3-4 cores with 22-24 multi. the max multiplier (here 24) can not be set manually, only usable with c-states.

so go set c-states enabled and have a look if the multi goes up to 24 while benching a SINGLE-Thread (the 24 just kicks in for 1 or 2 cores).

if so everything is fine. if it does not your board just disables the use of turbo while setting the 23 turbo multi manually

energywise the best oc is by multi, it also does not stress the whole system like a higher blck is doing.

edit: also have a look at stuff like cpu thermal monitoring (i had a look with amibcp into your bios and was not able to find) and disable it for testing if existing
Thank you very much for your answer.
Yes, you were right. Whenever I tweaked the multiplier, the Turbo Mode disappeared. In order to have this available I should leave the multipliers alone and tweak blck.
Yes, I can use x24 on single core without Turbo Boost but the overall performace drops without it.
What I noticed though if I enable Turbo Boost, the system hits higher frequencies when needed and generally it makes the system more efficient.

For example:
multiplier: x23, BCLK: 156 (3.5GHz), cinebench score: 826 (turbo off)
multiplier: auto, BCLK: 158 (3.3GHz), cinebench score: 835 (turbo on) with less power conumption from the system in general as it usually

The system without Turbo Boost hovers around 1.896GHz - 3.5 GHz, but with it enabled it's from 1.896GHz - 3.6Ghz.

I have a feeling that my best setup is with multipliers to auto, bclk to 158. Above that bclk the cpu starts consuming much more voltage.
post #7792 of 7811
Quote:
Originally Posted by autoshot View Post

I'm currently running an X5650 @ 3.8GHz (1.21 VCore, DDR3-1524 CL9-9-9-24-2N, VTT something <1.3v, QPI 6.8GHz) on an ASUS P6T Deluxe. As of now the CPU is cooled by a Noctua U12P SE 1366; however, the latter is going to be replaced by a Noctua NH-D15 I came by recently, which is why I'm planning to try to increase my overclock in the near future (my target is 4.2 - 4.4 GHz, ). Because this most definitely requires significantly higher voltages under load I was thinking about equipping my P6T Deluxe with the P6X58D Premium BIOS to be able to define a voltage offset with the objective of not unnecessarily degrading my CPU due to high voltages in idle. I know the P6T Deluxe runs with the P6X58D Premium BIOS (Klick and Klick), but what I'm not sure about is if there are any negative long term effects (read: permanent hardware damage) caused by this BIOS. So the question is:
Is it safe to run the P6T Deluxe with the P6X58D Premium BIOS for an extended period of time?

I am running an ASUS P6T Deluxe V2 with a P6X58D-E BIOS just fine for some months now which also provides the Offset function you are looking for (with very decent results on my Xeon E5645). This BIOS also has more room for newer Intel Option Roms if you were interested in using >2TB HDDs in RAID as I do. I haven't tried the Premium BIOS though. I have also tried the P6T WS BIOS which gave me bluescreen issues which I could not resolve. Albeit reported to work, I ended up having to buy a new BIOS chip after flashing the P6T6 WS BIOS which gave me a black screen after POST. So consider yourself warned that there is always a risk involved. wink.gif

*Edit*: I forgot to mention that the only disadvantage to the Premium BIOS is that there is no HIGH TDP option, so if you are TDP bound the Turbo mode doesn't kick in under high load (e.g. with PRIME). Unfortunately I haven't found a BIOS yet which runs stable and provides me all the goodies (newer Intel Option ROMs, High TDP, Offset and active ECC).
Edited by ms178 - 3/29/17 at 1:23pm
post #7793 of 7811
Thank you for your detailed reply!
Quote:
Originally Posted by ms178 View Post

I haven't tried the Premium BIOS though. I have also tried the P6T WS BIOS which gave me bluescreen issues which I could not resolve. Albeit reported to work, I ended up having to buy a new BIOS chip after flashing the P6T6 WS BIOS which gave me a black screen after POST. So consider yourself warned that there is always a risk involved. wink.gif

Oh, good to know that the P6T BIOS is actually not so compatible after all! Regarding the P6X58D Premium BIOS, I already flashed the P6T Deluxe in my spare PC and can actually confirm that it works* (so far). I just wanted to make sure this BIOS doesn't do any long term damage before using it on my main computer day in day out.

*Of course there are a couple of minor inconveniences, which include:
- the top PCIe x4 slot doesn't work anymore (any idea if it is possible to make it work afterall?)
- the "Legacy Diskette A"-option is gone (buhu biggrin.gif)
- ASUS Express Gate is recognized as a *HiSpeed* USB Mass Storage Device, which cannot be disabled (luckily it can be in Windows)
- the Marvel SAS-controller cannot be disabled either and the corresponding OptionROM shows up every time I start/ restart the computer, resulting in ~5-7sec slower boot times

Quote:
Originally Posted by ms178 View Post

I forgot to mention that the only disadvantage to the Premium BIOS is that there is no HIGH TDP option, so if you are TDP bound the Turbo mode doesn't kick in under high load (e.g. with PRIME). Unfortunately I haven't found a BIOS yet which runs stable and provides me all the goodies (newer Intel Option ROMs, High TDP, Offset and active ECC).

Does the P6T Deluxe have this HIGH TDP option? No it doesn't, but that's fine for me since I prefer OCing via BCLK anyway.
Edited by autoshot - 3/30/17 at 2:17am
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post #7794 of 7811
Quote:
Originally Posted by autoshot View Post

Thank you for your detailed reply!
Oh, good to know that the P6T BIOS is actually not so compatible after all! Regarding the P6X58D Premium BIOS, I already flashed the P6T Deluxe in my spare PC and can actually confirm that it works* (so far). I just wanted to make sure this BIOS doesn't do any long term damage before using it on my main computer day in day out.

*Of course there are a couple of minor inconveniences, which include:
- the top PCIe x4 slot doesn't work anymore (any idea if it is possible to make it work afterall?)
- the "Legacy Diskette A"-option is gone (buhu biggrin.gif)
- ASUS Express Gate is recognized as a *HiSpeed* USB Mass Storage Device, which cannot be disabled (luckily it can be in Windows)
- the Marvel SAS-controller cannot be disabled either and the corresponding OptionROM shows up every time I start/ restart the computer, resulting in ~5-7sec slower boot times

Does the P6T Deluxe have this HIGH TDP option? No it doesn't, but that's fine for me since I prefer OCing via BCLK anyway.

Some of the described inconveniences also apply for the P6X58D-E BIOS (top PCIe x4 slot not working, Express Gate) but it serves me well and stable whereas I guess that the older Option Rom on the P6WS BIOS could be the culprit (I run 2 x 2 TB SSHDs in RAID-0) or it could have to do with the different IRQ routing or my unbuffered ECC -RAM.

By the way there was a BETA BIOS (0006) for the original P6T Deluxe V2 with the High TDP function, but I have read mixed results about it and it never made it into the official version.

All in all, the modified P6X58D-E BIOS is the best compromise for my needs (I updated the Microcode and the Intel Option Rom) and can run it with very low voltages (idle: 1.032 v and full load @ 3.8: 1.184 v thanks to the Offset). I haven't deeply explored the possibilities with a BCLK above 200 yet...
post #7795 of 7811
Quote:
Originally Posted by ms178 View Post

All in all, the modified P6X58D-E BIOS is the best compromise for my needs (I updated the Microcode and the Intel Option Rom) and can run it with very low voltages (idle: 1.032 v and full load @ 3.8: 1.184 v thanks to the Offset). I haven't deeply explored the possibilities with a BCLK above 200 yet...

Very interesting...
I'm also on the x58 bandwagon now. X5660 on the way. My motherboard is the same as yours, P6T Deluxe V2.
Could you post your BIOS file with updated Microcode and Intel Option rom? I would very much like an offset option.
Do I flash it with Afudos or ASUS EZ flash ?

Thanks!
post #7796 of 7811
Quote:
Originally Posted by ms178 View Post

I updated the Microcode and the Intel Option Rom

So you manually updated the Microcode & Intel Option Rom or were those two just updated automatically because of the P6X58D-E BIOS?

@ vudy

Just follow the instructions HERE wink.gif
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Samsung SSD 950 Pro Samsung SSD 850 EVO Crucial MX100 Noctua NH-D15 
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post #7797 of 7811
Quote:
Originally Posted by autoshot View Post

So you manually updated the Microcode & Intel Option Rom or were those two just updated automatically because of the P6X58D-E BIOS?

Thank you.

I believe he used MMTool to add the microcode into the BIOS.
As for the Intel Option Rom, I do not know.
post #7798 of 7811
Is there any advantage of manually updating the microcode in the BIOS to a newer version?
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post #7799 of 7811
Quote:
Originally Posted by vudy View Post

Thank you.

I believe he used MMTool to add the microcode into the BIOS.
As for the Intel Option Rom, I do not know.

Exactly. I did get errors integrating it before but with some Hex Editor adjustment to the microcode file MMTool would accept it. The newer Intel Option ROM which I have modded into the BIOS is twice the size of the older one and the PX58D-E provides enough room for it to load my RAID-0 array of 2 x 2 TB SSHDs. For the files and more details, see the Readme.txt in my project folder here: https://drive.google.com/drive/folders/0Bx1_m8WSFFfeamt1b201Q1RQS00?usp=sharing

As for the changes, I can just speculate but the changelog of the BIOS where I extracted the new microcode from spoke about security fixes (https://downloadmirror.intel.com/25183/eng/ReleaseNotes_R0068.txt).

I have had several blue screens and lockups in low voltage, low-power situations with my Xeon E5645 before. One of them was memory related but I have double checked with MemTest that the memory was fine (since then I've upgraded to new RAM). It could have been BD123 which is described in the Intel Specification Update as: "Package C6 C-State Exit May Result in Uncorrectable Memory Errors". Newer microcode usually contains workarounds for critical issues like these, hence I wanted to use the latest possible microcode version. As you see with AMD Ryzen now, new microcode can have some impact.

For the full list, see the Intel Errata here: http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/xeon-5600-specification-update.pdf
Edited by ms178 - 3/30/17 at 7:57am
post #7800 of 7811
Ok so I replaced my Noctua U12P SE1366 CPU cooler with a Noctua NH-D15 lately in order to squeeze a little more performance out of my X5650 before upgrading to Skylake-X/ Ryzen Pro later this year, but no matter what I do I just cannot get beyond 3.8GHz (which is what the Xeon has been running on for more than two years now). I tried to play with all kinds of settings (like PCIe clock, CPU clock skew, load line calibration etc.) and voltages (like IOH, PLL, QPI/DRAM...) without any success frown.gif Core temperatures do not exceed 70°C as long as the core voltage is <=1.3v. Is there a good Xeon X56** OC-guide I could follow by any chance?
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