G.Skill PI 1600 + 790XT-UD4P help! - Overclock.net

S3phro · 06-29-09

Heya guys,

Having issues with getting my ram to run at it's specified stock speeds.

It is supposed to be able to run 7-7-7-18 timings at 1.9v, the default profile puts it to 9-9-9-24. I've heard some things about XMP profiles and such and was wondering if im just missing something.

Mr. Stroker · 06-29-09

Have you tried to manually set it?

S3phro · 06-29-09

Yep, seems to run unstable. I'm not sure if im missing some settings here or what, i have it running at 9 9 9 24 at 1500mhz atm, i've had it at 8 8 8 21 at 1500mhz before when i ran a higher fsb and lower multi.

Mr. Stroker · 06-30-09

Manual timings and voltage + memtest = answer. If it is not working then RMA

Dopamin3 · 06-30-09

My board won't run anything stable at 1600mhz either!

Mr. Stroker · 06-30-09

Well I do believe that 1600 is an OC on amd sytems. Is there any other voltage options that would deal with the memory? Are your bios up to date?

S3phro · 06-30-09

My bios is up to date, I dont think im missing any other voltage options

I'll start with a clean slate tonight and see if i can get stock timings working, I'll keep you posted.

Buster · 07-07-09

I have got the same problem running 1600MHz on my gigabyte board also. I have OCZ Gold Series 2GB(2X1GB) DDR3 1600.

timisyourfriend · 07-14-09

You'll def need to OC and work on the sub timings to get it to run at anything close to 1600 @ spec. Let me know what you try and how it goes and I'll help you figure it out. I have tested the PI series quite a bit so I know what the chips like. Have you tried raising NB voltage a tick or two? What does your tRFC, tRC, and tWR look like? Might need to up them a little bit to stabilize. You're at 1500 already, so pretty much just need to fine tune a little.

Tim

Slappa · 07-15-09

Yes, raising the NB voltage (NOT CPU-NB, although that can help a bit too in some cases) can dramatically help stability.

I can get my 1333MHz 7-7-7-18 Pi's to run 1672MHz 7-7-5-15-22-1T all day.

Other than doing that, you need to manually tune all the subtimings as well as the IMC.

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G.Skill PI 1600 + 790XT-UD4P help!

07-15-09	#10 (permalink)
Slappa Phenom II Guru Join Date: Nov 2007 Location: Calgary, Alberta Posts: 2,872 Rep: 263 Unique Rep: 207 Folding Team Rank: 261 Hardware Reviews: 4 Trader Rating: 8	Yes, raising the NB voltage (NOT CPU-NB, although that can help a bit too in some cases) can dramatically help stability. I can get my 1333MHz 7-7-7-18 Pi's to run 1672MHz 7-7-5-15-22-1T all day. Other than doing that, you need to manually tune all the subtimings as well as the IMC.

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