Discuss EK Supreme LT + FESER 480 (DFI UT X58-T3EH8) in Cooling at i4memory.com Amazing what a water cooling can do for max stable bclk too. On air 228 bclk was max for 32M ...
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Administrator
Join Date: Jul 22 2004
Brisbane, Australia
Posts: 20,970
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26-04-2009, 04:25 AM
#17 (permalink)
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Last edited by eva2000; 26-04-2009 at 02:58 PM..
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Junior Member
Join Date: Apr 10 2009
Cottage Grove, MN
Posts: 4
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26-04-2009, 05:01 PM
#18 (permalink)
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Nice eva!
After all the cpu block mounts I have been through on i7 testing blocks, I still cannot get used to the "normal" core temps. In time I guess. 
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__________________
skinnee labs test schedule:
Writing Reviews i7 965 (lapped) Shootout, i7 Shootout #2 (unlapped 920),
Writing Reviews: MCR320 Stacked, Triples Comparison, DDC Top Round Up (Have EK V2, XSPC, XSPC Res Top)
Planned Tests: Lapped vs. Unlapped Processor, Nanofluid V2, More Triple Radiators, GPU Block restriction, Series and Parallel Pumps, Parallel loop restriction
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Senior Member
Join Date: Jul 16 2007
Puerto Rico
Posts: 1,589
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27-04-2009, 02:48 AM
#19 (permalink)
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233bclk  , great going George , my RIIE cannot get closed to that. Congrats mate. Keep pushing  .
Angelo.
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__________________
Originally Posted by dinos22
this feels like we are all taking a really big **** but its too big for our little anus and every time we contract the stomach we feel a tear but its soooo close to coming out :heh:
sorry if you are having breakfast/lunch/dinner/snack :D
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Member
Join Date: Mar 29 2009
South of England
Posts: 47
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27-04-2009, 07:12 AM
#20 (permalink)
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Great numbers Eva ... who says we have to dump these early i7's and go get DO's 
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__________________
Asus Rampage II Extreme (latset revision) bios 1406 Intel i7 920 DO @ 4.0 Ghz, 24/7 1.3v idle 36 deg' full load 50ish still playing with w/c set up, 6 GB OCZ Reaper (1800) BFG GTX 295 X 2 Quad Sli, hanns.g 28 inch hdmi, Thermltake 1500W active Zalman GS 1000 (modded) NZXT 5 channel fan controller Noctua NF-P 12 fans x 13, custom watercooling,cpu NB and now gfx atm
Ready to learn all about o/c ing :-)
http://valid.canardpc.com/cache/banner/589596.png
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Administrator
Join Date: Jul 22 2004
Brisbane, Australia
Posts: 20,970
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27-04-2009, 07:39 AM
#21 (permalink)
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Originally Posted by skinnee
Nice eva!
After all the cpu block mounts I have been through on i7 testing blocks, I still cannot get used to the "normal" core temps. In time I guess. 
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Thanks skinnee ... yeah my solution is to not look at the core temps
thanks.. hopefully will pick up some D0 920s next week and have a good memory controller on them!
Originally Posted by fmsam
Great numbers Eva ... who says we have to dump these early i7's and go get DO's 
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Thanks
Pushing some suicide everest runs with memory clocked to the max to see what kind of everest numbers I get
Best I can do for now

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Administrator
Join Date: Jul 22 2004
Brisbane, Australia
Posts: 20,970
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01-05-2009, 10:56 AM
#22 (permalink)
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4/28 beta bios and new max bclk validation @235bclk with 6-7-6-20 timings!
so close to sub 9min 32M pi at <3900Mhz!
sub 4000Mhz 32M
Max BCLK
Super Pi 1M to 32M
System:- i7 920 3836A756
- EK Supreme LT 1366 / FESER 480 / MCP655
- DFI UT X58-T3EH8 04/28 beta
- 512MB Inno3D 8800GT OC Edition
- 6GB Corsair Dominator GT DDR3-2000Mhz 7-8-7-20
- 750GB Samsung SATAII
- Silverstone OP1200 PSU
- Dual boot - WinXP Pro SP3 / Vista Ultimate 64Bit SP2
Bios settings used.
Code:
Genie BIOS Setting
CPU Feature
Set VR Current Limit Max: Disabled
Thermal Management Control: Disabled
EIST Function: Disabled
CxE Function: Disabled
Execute Disable Bit: Disabled
Virtualization Technology: Disabled
***** Logical Processor Setting *****
Intel HT Technology: Enabled
Active Processor Cores: All
DRAM Timing
Channel Interleave Setting: AUTO
Rank Interleave Setting: AUTO
Memory LowGap: 1792M
DRAM Command Rate: AUTO
CAS Latency Time (tCL): 6
RAS# to CAS# Delay (tRCD): 7
RAS# Precharge (tRP): 6
Precharge Delay (tRAS): 20
REF to ACT Delay (tRFC): AUTO
Write to PRE Delay (tWR): AUTO
Rank Write to Read (tWTR): AUTO
ACT to ACT Delay (tRRD): AUTO
Row Cycle Time (tRC): 31
Read CAS# Precharge (tRTP): AUTO
Four ACT WIN Time (tFAW): 31
Ch1 Round trip latency: AUTO (-15 to +16)
Ch2 Round trip latency: AUTO (-15 to +16)
Ch3 Round trip latency: AUTO (-15 to +16)
tREFI: AUTO
Voltage Setting
O.C. Shut Down Free: Enable O.C.S.D.F
CPU VID Control: 1.4500v
CPU VID Special Add Limit: Disabled
CPU VID Special Add: 103.30%
Vcore Droop Control: Disabled
DRAM Bus Voltage: 1.71v
DRAM PWM Switch Frequency: Nominal
DRAM PWM Phase Control: 2 Phase Operation
CPU VTT Special Add: 0.0875v
CPU VTT Voltage: 1.53v
VTT PWM Switch Frequency: Nominal
VTT PWM Phase Control: 2 Phase Operation
CPU PLL Voltage: 1.80v
IOH/ICH 1.1V Voltage: 1.29v
IOH Analog Voltage: 1.20v
ICH 1.5 Voltage: 1.5v
ICH 1.05V Voltage: 1.05v
DIMM 1/2 DQ/DQSTB Bus VREF: -00.0%
DIMM 3/4 DQ/DQSTB Bus VREF: -00.0%
DIMM 5/6 DQ/DQSTB Bus VREF: -00.0%
ADDR/CMD VREF Control: Disabled
x DIMM 1/2 ADDR/CMD Bus VREF: 110
x DIMM 3/4 ADDR/CMD Bus VREF: 110
x DIMM 5/6 ADDR/CMD Bus VREF: 110
CPU QPI Drive Strength: Normal
IOH QPI Drive Strength: Normal
Exit Setup Shut down: Mode 2
O.C. Fail Retry Counter: Enabled
O.C. Fail CMOS Reload: Disabled
PPM Function: Enabled
Turbo Mode Function: Disabled
1 core Max Turbo Ratio: 22x
2 core Max Turbo Ratio: 21x
3 core Max Turbo Ratio: 21x
4 core Max Turbo Ratio: 21x
CPU Non-Turbo Clock Ratio: 19x
* BCLK/UCLK/QPI Controller Settings *
QPI Control Settings: Enabled
QPI Link Fast Mode: Enabled
QPI Frequency: AUTO
CPU Base Clock (BCLK): 230 Mhz
Boot Up CPU Base Clock: AUTO
PCIE Clock: 110 Mhz
DRAM Frequency: 8xx Memory multipliers
UnCore Frequency: 16x Uncore multipliers
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
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Administrator
Join Date: Jul 22 2004
Brisbane, Australia
Posts: 20,970
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01-05-2009, 05:08 PM
#23 (permalink)
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Starting to hit probably thermal limits of my i7 920 3836A756 on H20 cooling as 32M Pi seems to be topping out around 4680mhz with HT disabled. Only managed to shave ~1 second off my best 32M pi time with i7 920.

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Member
Join Date: Sep 20 2007
uk
Posts: 95
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26-07-2009, 09:24 AM
#24 (permalink)
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cracking review again george, you are the master of thorough testing, for my forthcoming i7 build i have a thermochill pa 120.3 and a pa160.1 already installed , which i was going to use to cool the cpu only , what i'm asking is i also have a pa120.2 which i could plumb in as well, is there any point or is the dissapated heat already covered with the 2 rads i already have in
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