12GB A-Data 2000X Tri-Channel @6-7-6-24

eva2000

eva2000

Gawd
Joined
Apr 14, 2002
Messages
539
More 6x2GB = 12GB fun :D

System:

12GB_ADATA_2000X_01.jpg

12GB - 6x2GB A-Data 2000X
@DDR3-1702Mhz 6-7-6-24 2T at 1.62v
(Kit 1 + 2: module #1 + #5 + #4 + #3 + #2 + #6)
​
It paid off to individually test all 6x 2GB A-Data 2000X modules and sort out the problematic module #3 as now it's sorted out, clocking 12GB - 6x2GB config is so much easier, straight into 12GB A-Data 2000X @DDR3-1702Mhz 6-7-6-24 at 1.62v. Kept CMD Rate at auto for 2T just for starters.

Stable for Super Pi 32M at least. Need to work on HyperPi 8x32M tommorrow :)





click image for full screenshot



spi32m_8m37s905ms_everest.png
 
On the 1000mhz XMP profile, what does the profile set for memory controller voltage?
 
12GB - 6x2GB A-Data 2000X
@DDR3-1909Mhz 7-8-7-25 2T at 1.62v
(Kit 1 + 2: module #1 + #2 + #4 + #3 + #5 + #6)
​
Now to test higher memory frequency with 7-8-7-25 timings at 1.62v vdimm. 1T results in ~10% more memtest86+ v4.0 reported bandwidth than 2T, but 1T was only stable for Super Pi 1M and failed 32M. 2T was much easier to pass Super Pi 32M @DDR3-1909Mhz 7-8-7-24 2T with tRFC 110, tFAW 37 and B2B 4.

Swapped module #5 and #2 places so the 6x2GB A-Data 2000X config is as follows module

  • Dimm 1 = module #1
  • Dimm 2 = module #2
  • Dimm 3 = module #4
  • Dimm 4 = module #3
  • Dimm 5 = module #5
  • Dimm 6 = module #6

System:

1T RTL A/B/C = 58/60/62​

spi1m_10s608ms.png


everest.png


2T RTL A/B/C = 58/60/61​

spi1m_10s577ms.png


spi32m_9m25s174ms.png


everest.png




6x2GB = 12GB A-Data 2000X Max Validation
@DDR3-2044Mhz 7-8-7-25 2T at 1.62v / 1.5v QPI/DRAM
​
Managed to push 6x2GB A-Data 2000X to DDR3-2044Mhz 7-8-7-25 2T validation with 1.5v QPI/DRAM and 1.62v :woot:



 
As i mentioned above at DDR3-1909Mhz 7-8-7-x 2T more stable than 1T as 2 of the 6 modules don't like >1.64v vdimm but 1T requires more vdimm for stability :)

Now pushing 12GB A-Data 2000X to 8x32M Pi stable @DDR3-2000Mhz 8-9-8-25 2T at 1.62v vdimm with 1.50 QPI/DRAM uncore voltage with max validation at same voltages @DDR3-2112Mhz 8-9-8-25 2T! :D

System:

12GB - 6x2GB A-Data 2000X
@DDR3-2000Mhz 8-9-8-25 2T at 1.62v
(Kit 1 + 2: module #1 + #2 + #4 + #3 + #5 + #6)
​

tRFC = 110
tFAW = 38
B2B = 4

HyperPi v0.99b - 8x32M Pi

hpi32m_8.png


Single Super Pi 32M

spi32m_9m00s260ms.png


Everest Bandwidth

everest.png




12GB - 6x2GB A-Data 2000X
@DDR3-2112Mhz 8-9-8-25 2T at 1.62v
(Kit 1 + 2: module #1 + #2 + #4 + #3 + #5 + #6)
​



 
Very impressive sticks, thanks for the information :cool:. I hope that sticks like these will eventually be available for the P55 platform, as now it seems the QPI voltage necessary for these speeds is still too much.
 
FYI the above are dual channel 2x2GB kits x 3 for 12GB ;)

XMP profile for 2000mhz 2x2GB A-Data 2000X on X58 is 1.35v QPI/DRAM and 1.65v vdimm probably for p55 platform though as X58 needs more QPI/DRAM due to higher minimum QPI frequency multiplier
 
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