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Asus X58 + 6/12GB memory overclocking - detecting less memory than installed - Page 15 - i4memory.com - different look at memory

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Old 27-07-2010, 04:57 AM   #113
eva2000
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Jim replied to your thread http://i4memory.com/f54/asus-p6x58-e...-gt-kit-24303/

LaserEnvy welcome starting point is in very first post of this thread (updated)

If you must start from some basic settings, I'd recommend turning off XMP profiles and setting voltages and timings manually, basic CAS-TRCD-TRP-TRAS timings I'd start with is 9-9-9-24 2T with tRFC 110 and tFAW 31 to 39. Voltage wise from my experience, for 3x2GB configs > 160-180+ bclk and >1600mhz memory speeds, CPU VTT of 1.3-1.4v is needed depending on cpu IMC quality and cpu cooling used. 180-200bclk and >1800mhz memory speeds, CPU VTT 1.35-1.55v. For 200+ bclk and 1950+ mhz mem speeds CPU VTT 1.4-1.65v needed. For 6x2GB will need higher CPU VTT and VDIMM memory volts than 3x2GB configs. That should be loose enough to start with and you can work your way up to the values your memory is rated for via trial and error testing.

So to start your own thread you have list of forums where to post as follows:

(I'd post what bios settings you have currently tried as well - some forums here have stickies with bios templates you can use to adjust to your boards format so you can fill in with your settings i.e. here and here and here)

* General Intel motherboard / cpus http://i4memory.com/f55/ - for all other intel motherboards other than Asus, DFI and Gigabyte brands
* Asus Intel motherboard / cpu http://i4memory.com/f54/ - for Asus brand boards
* DFI Intel motherboard / cpu http://i4memory.com/f80/ - for DFI brand boards
* Gigabyte Intel motherboard / cpu http://i4memory.com/f90/ - for Gigabyte brand boards
and read further recommended reading list of threads from first post in this thread too
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Old 27-07-2010, 06:04 AM   #114
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Ok, thanks. I'll give it a shot. The only problem is that the issue appears only after a cold boot, so troubleshooting takes days.
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Old 29-07-2010, 01:44 PM   #115
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I tinkered with the settings and had no luck whatsoever. The best solution for me was to return it and get a different set of RAM. I bought a set of G.SKILL F3-12800CL9T-6GBNQ 6GB DDR3 3X2GB DDR3-1600. It is working out of the box with Asus P6T SE.
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Old 29-07-2010, 08:28 PM   #116
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sounds like either old GT ram was bad and/or your cpu mem controller can't handle 6x2GB config, as your new modules are 3x2GB or did you get 6x2GB (2 kits of the Gskill) ?
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Old 29-07-2010, 11:17 PM   #117
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Hey eva2000, looks like I spoke too soon. I woke up this morning and saw 4GB out of 6GB (the old one was 6GB as well). Looks like I have more troubleshooting to do.
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Old 29-07-2010, 11:28 PM   #118
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My gut says it's the i7 930 cpu mem controller - so many reports of i7 930 not clocking or doing too well compared to i7 920.
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Old 17-08-2010, 10:37 PM   #119
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I want to say mine seems to be fixed by replacing the memory. Put the memory on the correct timings. Nothing else OC'd.
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Old 25-08-2010, 04:44 PM   #120
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Intersting to read i have the same problem with my Gskil kit first my config

i7 930
Rampage II GENE
GSKILL 6GB kit (model : F3-12800CL7T-6GBPI)
2x Zotac GTX 460 1GB in sli.

I am not a big overclocker and i rarely push my 930 past 3.5Ghz for day to day gaming and normal browsing. My Ai profile is always set to manual but almost all my volts are set to auto i just set the bck to 160 sometimes i set the cpu volt alone to 1.15v which works for me stable.
My ram volt is constatly at 1.5v and i mostly underclock it and set it to 1400sh ... for the detection at 4 GB is very random once in maybe every 2 or 3 weeks it would be at 4GB and i would have to reset the bios for it to detect and go back to 6 GB.

Yesterday everything was set @ bios defaults and still it was showing as 4GB it took 3 bios resets before the value changed back to 6GB .... i almost went and got myself a mushkin 6 GB kit when i came across this thread... what would you suggest the ideal volt for the qpi would be for me ? with ram volt at 1.5v my ram timings when set at around 8 8 8 20 1t with the 1400sh mark @ 1.5 volt.
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