This is on an ASUS P6T WS Pro FWIW:
CPU - 19
BCLK - 211
DRAM Freq - 1269 (624.5 (2:6))
UCLK - AUTO (Can go up one step further, but I see no tangible perf. benefit)
QPI Freq - AUTO
DRAM Timing - 8-9-9-23, 1T (any lower and Prime+LinX BSOD's at 4.0GHz)
CPU V - 1.375 BIOS (2 increments lower and Prime+LinX locks box up, no BSOD)
CPU PLL V - AUTO
QPI/DRAM V - AUTO
IOH - AUTO
IOH PCIE V - AUTO
ICH V - AUTO
ICH PCIE V - AUTO
DRAM BUS V - 1.60 (any higher up to 1.66 doesn't seem to help anything except heat up my CPU more. 2 increments lower and Prime+LinX BSOD's)
All other DRAM V - AUTO
LLC - EN
CPU DIFF - AUTO
CPU Clock SKEW - AUTO
CPU SS - DIS
IOH Clock SKEW - AUTO
PCIE SS - DIS
HT - EN
All other Intel CM/TM/VT crap is off.
Funny, everything on AUTO offers me the best results. I tried messing for hours upon hours with PLL and especially QPI voltages, all would break stability. Also, I would disable HT and go for raw clock speed, except I need the 4 other "cores" for rendering purposes.
Full load after hours of Prime+LinX gets my lapped TRUE Black to around 87/88 degrees C. I'm fine with that. We'll see if these i7's degrade, or "burn-in" at all...
And S3 resume (sleep resume) doesn't wake the vid-card up... just black screen. That SUCKS - I rely heavily on using sleep functionality in Vx64.
Last edited by Brahmzy; 01-19-2009 at 03:23 PM.
MAIN: 4770K 4.6 | Max VI Hero | 16GB 2400/C10 | H110 | 2 GTX670 FTW SLi | 2 840 Pro 256 R0 | SB Z | 750D | AX1200 | 305T | 8.1x64
HTPC: 4670K 4.4 | Max VI Gene | 8GB 2133/C9 | NH-L9I | HD6450 | 840 Pro 128 | 2TB Red | GD05 | SSR-550RM | 70" | 8.1x64
MEDIA: 4670K 4.4 | Gryphon | 8GB 1866/C9 | VX Black | HD4600 | 840 Pro 128 | 4 F4 HD204UI R5 | 550D | SSR-550RM | 245BW | 8.1x64
Sorry to re-post the data but I wanted to draw some conclusions from it:
Looks like you need at least 3400mhz uncore to not hold back the cores at 4.0ghz.Code:Ubuntu Desktop 2.6.27-9-generic SMP x64, compiling kernel version 2.6.28.1 make menuconfig, saved without changing settings. ReiserFS on a Seagate 7200.11 1TB drive time make -j8 vmlinux, fresh boot, text mode, 3-6 back to back runs best real times used: 3.8ghz, 3200mhz uncore: real 1m2.207s/user 5m53.758s/sys 0m42.675s 3.8ghz, 3400mhz uncore: real 1m1.152s/user 5m51.986s/sys 0m42.591s 4.0ghz, 3200mhz uncore: real 0m58.972s/user 5m37.037s/sys 0m42.019s 4.0ghz, 3400mhz uncore: real 0m56.923s/user 5m36.913s/sys 0m41.127s 4.0ghz, 3600mhz uncore: real 0m56.887s/user 5m33.673s/sys 0m41.039s 4.2ghz, 3200mhz uncore: real 0m55.090s/user 5m23.288s/sys 0m41.315s 4.2ghz, 3400mhz uncore: real 0m54.617s/user 5m22.072s/sys 0m39.890s 4.2ghz, 3600mhz uncore: real 0m54.440s/user 5m19.956s/sys 0m39.370s
Going from 3200mhz to 3400mhz uncore @ 3.8ghz is a small gain but it seems more stable on my system so I'm using it.
Uncore gains @ 4.2ghz are relatively small so feel free leaving it low to be stable.
Well, after some time fiddling with the FZE I got some results...nothing that I go "wow" at really, but ok I guess. It shaves off about 7C compared to the TRUE at 100% fan, and about 4C at 60% fan (comparable noise to TRUE).
Testing with my low-voltage 3.8GHz OC using QPI:Uncore in 1:1 (3.6GHz each)...
Nice idles at 25C, but load is not so good. I am expecting load in the mid 50s for this clock, but I am peaking out at 61C using two instances of LinX. The temps are part of the second 20-run (I did one 20-run first to warm everything up).
Anyway, here it is...oh and, there is a slight chance that 2-3/6 of my TECs are not working correctly, so I am RMAing this baby later in the week and will be doing more testing with the replacement unit. I did the "low" idle test and the coolant temp could not drop below ambient (23C) even with TECs and fan at 100% for an extended period of time. Definitely no condensation or anything which indicates a problem with TECs. They should get very cold if working properly according to Coolit, like not ice-cube cold, but very cold-water cold (between 7C and 12C).
My HeatWare: http://www.heatware.com/eval.php?id=70151
- Case : Silverstone TJ07 Black
- Sound : Asus Xonar Essence STX
- Video : Asus GTX 680 4gb w/ Ek Nickel Block
- Board : ASUS Maximus V Formula Z77
- CPU : Core i5-3570K @ 4.5 Ghz
- CPU Cooler : EK-Supreme HF w/Plexi Top
- Memory : 16GB Samsung 2133mhz 10-9-10-29
- PSU: Enermax Revolution 85+ 1050w
- HDD : Crucial 250gb M4 Raid 0
- Radiator : Thermochill PA 120.3
- Reservoir : EK-Multioption Res 250 Rev.2
- Water Pump : Laing DDC-3.2 w/XSPC Top
i7 920 HT on Threads 8
CPU i7 920
Mainboard EVGA X58 3X SLI
RAM samsung DDR3 1G PC3-10600U CL9 1x3
VGA EVGA GeForce GTX 260
Power Topower Octopus 1500W
Cooler WATER [GTZ]
OS WINDOWS XP PRO SP3 [OEM]
BIOS 12/29
i7 920 @ 4.2G
Threads 8
1000MHz 9-10-10-30 2T
32M pi
i7 920 @ 4.2G
Threads 8
1000MHz 9-10-10-30 2T
EVEREST C & M
i7 920 @ 4.5G
Threads 8
32M Pi
i7 920 @ 4.6G
Threads 8
1M Pi
i7 920 @ 4.65G
Threads 8
http://valid.canardpc.com/show_oc.php?id=488163
^^^amazing, great job
With these gigabyte boards, I have a question. There are 2 entries in BIOS that say CPU clock drive and PCIE clock drive, both have options of 700mv 800mv 900mv 1000mv ... what are these exactly and should I be paying attention to these for stability increase when oc'n the cpu? Stock I think they are set to 700mv
Excellent work, nameGT! batch# ?
H5N1 Online Dual Lian Li V2000B WC Triple Loop active
i7 920 B Apogee GTZ/ DFI UT X58-T3eH8 Mips Coldzero WC/ Corsair 6Gb DDR3 w/ 2x Silenx 80mm 14dBA 32CFM Custom Coldzero Cooler
HDA Xplosion @ DTT3500 DDL / Corsair HX1000W / Powercolor 4870X2 @ Dell 2408WFP + 2407WFP-HC
5.6Tb (2x VelociRaptor300 RAID0, + 2x Seagate1.5Tb + 1 x Seagate1Tb + 1x Sam1Tb) w/2x Silentstar Quad Rev2
Lazy OC'er Audio Upgrade Next Feedback Techzone
is there a thread showing Batches and results of i7 920 here in XS?
€dit: Just found it here
Sry!
Last edited by peebee; 01-20-2009 at 06:00 AM.
Empty your mind. Be formless, shapeless. Like water. You put water into a bottle and it becomes the bottle. You put in a teapot, it becomes the teapot. Water can flow, or it can crash.
...be water my friend
Worklog - Lian Li PC 343b built with 2 Triple-Rad-Loops
GB 790XTA UD4
GSkill Pi Black 2000 Cas9
ASUS 4870
Enermax Revolution 1050+
http://www.heatware.com/eval.php?id=67661
My HeatWare: http://www.heatware.com/eval.php?id=70151
yeah linx can be quite the beast in getting much higher temps than prime95 does. Also, try putting it on max problem size your amount of RAM will allow, I found that my processor can be stable all day long with problem size of 10000 but, if I put it up higher to where it uses 100% of my RAM thats free or so, it will find instability much sooner.
Think maybe this happens because its putting more stress on the IMC.
LinX+Prime=FTW.
MAIN: 4770K 4.6 | Max VI Hero | 16GB 2400/C10 | H110 | 2 GTX670 FTW SLi | 2 840 Pro 256 R0 | SB Z | 750D | AX1200 | 305T | 8.1x64
HTPC: 4670K 4.4 | Max VI Gene | 8GB 2133/C9 | NH-L9I | HD6450 | 840 Pro 128 | 2TB Red | GD05 | SSR-550RM | 70" | 8.1x64
MEDIA: 4670K 4.4 | Gryphon | 8GB 1866/C9 | VX Black | HD4600 | 840 Pro 128 | 4 F4 HD204UI R5 | 550D | SSR-550RM | 245BW | 8.1x64
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