G.Skill Extreme 2x1g kit with wrong auto settings

[ctbrown]

I had some stability issues when using a divider with my G.SKILL Extreme Series 2GB (2 x 1GB) DDR 500 (PC 4000) ram. Well I did some Googling and I heard that some of the kits were being sent out with the wrong "auto" settings of 3-3-3-7 instead of 3-4-4-8 which is printed on the sticker. So I checked my own auto settings with Everest (and also my post screen) and this ram was actually running at 3-3-3-7. I had the timings in my Bios set to auto and just assumed that they would run at stock. WTF, I guess I should pay more attention to my post screen.


In case anyone is curious about my divider-stability issues when used at the incorrect settings:
-With no divider, the memory was stable upto 267mhz
-When used with the 180(9/10) divider I would fail memtest at 240mhz
-When used with the 166(6/6) divider I was prime and memtest stable at 236mhz

 

[nealh]

the timings make such a big difference on this ram..very testy

you need to run memtest 86 to find errors..not clear if this was done or not

DFI street has a nice thread on this

http://www.dfi-street.com/forum/showthread.php?t=41953&page=1&pp=15

 

[starwars7]

WOW nice catch, I've been OCing my Rig today and had some problems with stability as well. In CPU-z I just checked my timings:

CAS: 3
RAS to CAS Delay: 3
RAS Precharge: 3
Cycle Time (TRAS): 7
Bank Cycle Time (TRC): 7

So I guess I should change:

RAS to CAS Delay to 4
RAS Precharge: 4

And do I change the Cycle Time or the Bank Cycle or both to 8??

Thanks!


edit: Looks like the TRAS should be 8, and the TRC should be 12 (DFI-Street guide says TRC = TRAS + TRP)

This link in particular is helpful:

http://www.dfi-street.com/forum/attachment.php?attachmentid=4098

Although if anyone has an Opty 165 that you are OCing rather well, if you could share your timings that would be awesome!

EDIT! I'm now getting 2.5Ghz with stock vcore and stock HSF thanks to the DFI-Street excel spreadsheet that had the different timings for the ram.

 

[PSUPef2k]

would these DFI threads help me on my ASUS board? I am having issues with this memory on my A8R32-MVP as well. The main issue right now is getting an extended/base memory post error when it starts up (1 long, 3 short beeps), and having to do several reboots to get the machine to come up.