Hello I just built a new system
Core i7 920 D0 WATERCOOLED (CoolIT Domino)
Asus Rampage Extreme II
Radeon HD5870
Seasonic X-750
Western Digital Caviar Black 1 TB
ANTEC Skeleton
The system is currently overclocked with these settings :
AI overclock - manual
OC from CPU level up - auto
OC from Memory level up - auto
CPU Ratio setting - 21
CPU configuration
CPU Ratio Setting - 21
C1E Support - disable
Hardware prefetcher - enable
Adjacent Cache line prefetcher - enable
Intel Virtualization tech - enable
CPU TM Function - disable
Execute Disabled bit - enable
Intel HT Technology - enable
Active Processor Cores - all
A20M - disabled
Intel Speedstep tech - disable
Intel C-STATE tech - disabled
BCLK frequency - 200
PCIE frequency - 100
DRAM frequency - DDR3 1603MHz
UCLK frequency - 3208MHz
QPI frequency - 7218 MT/s
Dram timing control
1st iformation - Insert Timings Here in 6(tCL)-7(tRCD)-6(tRP)-15(tRAS) -4-60(tRFC)-12-8-24-0
2nd information - Insert Timings Here in 1N(CR)-51-54-55
3rd information - Insert Timings Here in 6-6-17-7-7-7-7-6-4-7-7-4
EPU II phase control - full phase
Load-line calibration - enable
CPU differential amplitude - auto
Extreme OV - disabled
Cpu voltage - 1.375
CPU PLL voltage - 1.88
QPI-Dram voltage - 1.375
IOH voltage - 1.16641
IOH PCIE voltage - 1.51
ICH voltage- 1.113
ICH PCIE voltage - 1.51
DRAM Bus voltage - 1.65681
DRAM REF voltage - auto
Debug mode - string
Keyboard TweakIt control - enable
CPU spread spectrum - disabled
PCIE spectrum - disabled
CPU clock skew - auto
IOH clock skew - auto
The system is completely stable,tested up to 12 hours with PRIME95 Blend and Intel Burn Test(20 pass Xtreme stress , Maximum(around 5 GBs,32 threads).
I bought the DDR32133 rated F3 17066cl9 6GBPS kit and tried to run it at its specs(ddr3 2133 and tried to get to ddr3 2000 as well).
I started using the XMP profile to see if the memory worked out of the box(settings were the same as above besides bclk=133,ddr3=2133 and qpi=4800 and vcore=1.2 and cpuvtt voltages) at the rated speed (as it SHOULD)
As i feared(i never saw one of these xmp profiles working,just setting xmp profile from the bios),it did not work
- cpuvtt(qpi/dram volt) 1.45 NO BOOT
- cpuvtt(qpi/dram volt) 1.5 BOOT
I entered in the bios and the timings detected were
1st info 9 9 9 24 6 82 15 10 30 0
2nd info 2N 66 67 67
3rd info 6 6 20 10 10 10 7 6 4 7 7 4
It did NOT ENTER windows though
- cpuvtt(qpi/dram volt) 1.55 It locked during windows loading animation
At this point i tried to raise IOH Volt to 1.31 but it did not
sort any result
- cpuvtt(qpi/dram volt) 1.65 AND dramV=1.75 IOHvolt=1.4 ICH=1.2
FINALLY it entered windows(with anything less it would NOT
enter)
I launched 1 instance of memtest with 1024 MB and it passed
With two instances of memtest(1024) concurrent it freezed
I decided not to push voltages further because i don't want to
risk to burn my cpu,and i don't really think that a memory can
be rated to run at 50% more voltage on the cpuvtt!!!
With BCLK lowered to 130(ddr3 2088) i managed to pass 5 concurrent instances of
1 GB with memtest(more or less all the memory available)
BUT, and i want to underline this BUT, IBT (that uses linpack)
freezed as soon as i launched it at such speed, so it was far from stable.
SO i conclude DDR3 2133 Quest ------> FAILED
- DDR3 2000 QUEST
The MINIMUM voltages needed to run STABLY (20 pass IBT 32threads , 5335MB used , xtreme stress mode)it at DDR3 2000 with timings of 9 9 9 24 2T and with a tRFC=88 (much higher than what the memory should be able to do even at 2133) were
cpuvtt=1,64375 IOH=1.41 DRAM volt=1.736
cpu temp went upto a maximum of 63? (LCD poster)with ambient temperature of around 25 deg during IBT 2 hours test,so it
cannot be this the problem and dimm were never more than SLIGHTLY warm at the touch
These are freaking insane high voltages to run a memory at ddr32000 with looser timings
than those that would be needed(as rated ) to run it ddr3 2133.Please note that NONE of this voltages lowered even of a pinch would make the memory run stablility test.
Before testing all dimms together i tested each single dimm and managed to run it stably with the same timings at ddr3 2000 with slightly lower voltages of cpuvtt=1.60625 dram volt=1,736 and ioh=1.35.
All the other settings for the ddr3 2000 speed were those listed at the beginning of the post.
P.S. : At such high cpuvtt voltages ,usually, Voltage detected from LCD poster for QPI/DRAM voltage(cpuvtt) is 0.05Volt less than what set in the bios.Keep this in mind when checking my voltages
NOW WHAT I WANT TO ASK TO THE TECH SUPPORT :
IS THIS NORMAL? ARE THESE DIMM BAD SINCE THEY NEED SUCH HIGH VOLTAGES?(I NOTICED THAT NOT ONLY A HIGH CPUVTT VOLTAGE IS NEEDED TO RUN THEM, BUT THEY WON'T RUN AT DDR32000 WITH ANYTHING LESS THAN dram volt=1.736 VOLT).
I AM SO DISAPPOINTED FROM >400$ (HERE IN EUROPE) MEMORY KIT.IT COSTED MORE THAN MY I7 920!!!!
Ps.:i read all the posts relative to perfect storm dimms in ddr3 section,and none of the settings suggested worked,so i would ask for different solutions
Core i7 920 D0 WATERCOOLED (CoolIT Domino)
Asus Rampage Extreme II
Radeon HD5870
Seasonic X-750
Western Digital Caviar Black 1 TB
ANTEC Skeleton
The system is currently overclocked with these settings :
AI overclock - manual
OC from CPU level up - auto
OC from Memory level up - auto
CPU Ratio setting - 21
CPU configuration
CPU Ratio Setting - 21
C1E Support - disable
Hardware prefetcher - enable
Adjacent Cache line prefetcher - enable
Intel Virtualization tech - enable
CPU TM Function - disable
Execute Disabled bit - enable
Intel HT Technology - enable
Active Processor Cores - all
A20M - disabled
Intel Speedstep tech - disable
Intel C-STATE tech - disabled
BCLK frequency - 200
PCIE frequency - 100
DRAM frequency - DDR3 1603MHz
UCLK frequency - 3208MHz
QPI frequency - 7218 MT/s
Dram timing control
1st iformation - Insert Timings Here in 6(tCL)-7(tRCD)-6(tRP)-15(tRAS) -4-60(tRFC)-12-8-24-0
2nd information - Insert Timings Here in 1N(CR)-51-54-55
3rd information - Insert Timings Here in 6-6-17-7-7-7-7-6-4-7-7-4
EPU II phase control - full phase
Load-line calibration - enable
CPU differential amplitude - auto
Extreme OV - disabled
Cpu voltage - 1.375
CPU PLL voltage - 1.88
QPI-Dram voltage - 1.375
IOH voltage - 1.16641
IOH PCIE voltage - 1.51
ICH voltage- 1.113
ICH PCIE voltage - 1.51
DRAM Bus voltage - 1.65681
DRAM REF voltage - auto
Debug mode - string
Keyboard TweakIt control - enable
CPU spread spectrum - disabled
PCIE spectrum - disabled
CPU clock skew - auto
IOH clock skew - auto
The system is completely stable,tested up to 12 hours with PRIME95 Blend and Intel Burn Test(20 pass Xtreme stress , Maximum(around 5 GBs,32 threads).
I bought the DDR32133 rated F3 17066cl9 6GBPS kit and tried to run it at its specs(ddr3 2133 and tried to get to ddr3 2000 as well).
I started using the XMP profile to see if the memory worked out of the box(settings were the same as above besides bclk=133,ddr3=2133 and qpi=4800 and vcore=1.2 and cpuvtt voltages) at the rated speed (as it SHOULD)
As i feared(i never saw one of these xmp profiles working,just setting xmp profile from the bios),it did not work
- cpuvtt(qpi/dram volt) 1.45 NO BOOT
- cpuvtt(qpi/dram volt) 1.5 BOOT
I entered in the bios and the timings detected were
1st info 9 9 9 24 6 82 15 10 30 0
2nd info 2N 66 67 67
3rd info 6 6 20 10 10 10 7 6 4 7 7 4
It did NOT ENTER windows though
- cpuvtt(qpi/dram volt) 1.55 It locked during windows loading animation
At this point i tried to raise IOH Volt to 1.31 but it did not
sort any result
- cpuvtt(qpi/dram volt) 1.65 AND dramV=1.75 IOHvolt=1.4 ICH=1.2
FINALLY it entered windows(with anything less it would NOT
enter)
I launched 1 instance of memtest with 1024 MB and it passed
With two instances of memtest(1024) concurrent it freezed
I decided not to push voltages further because i don't want to
risk to burn my cpu,and i don't really think that a memory can
be rated to run at 50% more voltage on the cpuvtt!!!
With BCLK lowered to 130(ddr3 2088) i managed to pass 5 concurrent instances of
1 GB with memtest(more or less all the memory available)
BUT, and i want to underline this BUT, IBT (that uses linpack)
freezed as soon as i launched it at such speed, so it was far from stable.
SO i conclude DDR3 2133 Quest ------> FAILED
- DDR3 2000 QUEST
The MINIMUM voltages needed to run STABLY (20 pass IBT 32threads , 5335MB used , xtreme stress mode)it at DDR3 2000 with timings of 9 9 9 24 2T and with a tRFC=88 (much higher than what the memory should be able to do even at 2133) were
cpuvtt=1,64375 IOH=1.41 DRAM volt=1.736
cpu temp went upto a maximum of 63? (LCD poster)with ambient temperature of around 25 deg during IBT 2 hours test,so it
cannot be this the problem and dimm were never more than SLIGHTLY warm at the touch
These are freaking insane high voltages to run a memory at ddr32000 with looser timings
than those that would be needed(as rated ) to run it ddr3 2133.Please note that NONE of this voltages lowered even of a pinch would make the memory run stablility test.
Before testing all dimms together i tested each single dimm and managed to run it stably with the same timings at ddr3 2000 with slightly lower voltages of cpuvtt=1.60625 dram volt=1,736 and ioh=1.35.
All the other settings for the ddr3 2000 speed were those listed at the beginning of the post.
P.S. : At such high cpuvtt voltages ,usually, Voltage detected from LCD poster for QPI/DRAM voltage(cpuvtt) is 0.05Volt less than what set in the bios.Keep this in mind when checking my voltages
NOW WHAT I WANT TO ASK TO THE TECH SUPPORT :
IS THIS NORMAL? ARE THESE DIMM BAD SINCE THEY NEED SUCH HIGH VOLTAGES?(I NOTICED THAT NOT ONLY A HIGH CPUVTT VOLTAGE IS NEEDED TO RUN THEM, BUT THEY WON'T RUN AT DDR32000 WITH ANYTHING LESS THAN dram volt=1.736 VOLT).
I AM SO DISAPPOINTED FROM >400$ (HERE IN EUROPE) MEMORY KIT.IT COSTED MORE THAN MY I7 920!!!!
Ps.:i read all the posts relative to perfect storm dimms in ddr3 section,and none of the settings suggested worked,so i would ask for different solutions
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