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New 8GB Ripjaws, can only boot on AUTO timings - Page 3

post #21 of 25
3/3/12 at 6:55pm
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Quote:
Originally Posted by AMD4ME View Post

The OM tells you what slots to place your RAM in for best operation... Pay Attention!
It was trying to compensate for you not following directions! wink.gif

Not sure if trolling.. or just retarded. You're right, it does tell me the best configuration. I put it in 3/4 per the manual, which states that is the best configuration and the ONLY configuration if you want to use 1866+. In fact, 2/4.. which is what the BIOs defaulted to per Auto-timings, isn't even listed in the manual as a valid configuration.

274

Nice try though.

[edit] @schmucky, I dont plan on trying for much lower right now wink.gif Seems stable at stock voltage, and since it makes such little real world difference I dont see much point in pumping up the juice. Happy with 7-8-7 since they're rated for 9-9-9!
Edited by Celeras - 3/3/12 at 7:02pm
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Ivykepler
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post #22 of 25
3/3/12 at 8:50pm
No trolling at all. Slots 1 & 2 as shown by the diagram you posted above are the PREFERRED slots, not 3 & 4 - which is the secondary choice, but still a valid option for two DIMMs.

If the OM states that only slot 3 & 4 will run at 1866 MHz. - which would be bizarre... then there is something seriously wrong. The diagram you show doesn't say this however and slots 1 & 2 would be the logical choice for higher frequencies due to the shorter traces to the CPU.

Since people tend to get confused on RAM slots, mobo makers started color coding the sockets about 10 years ago. Using matching colored sockets insures dual-channel operation with 2 DIMMs. Regardless both sets of RAM colored matched sockets should function with manual BIOS settings. Even single channel mode should work with manual BIOS settings...

BTW, you DID noticed the WINK wink.gif on my previous comments, right. No offense was intended. I'm here to help people.
Edited by AMD4ME - 3/3/12 at 9:20pm
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post #23 of 25
3/3/12 at 9:22pm
  • xd_1771
  • Mess with the goat, get the horns
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^ You do realize that this isn't even supposed to be about 1/2 and 3/4, right?  He's right - GIGABYTE's manual conflicts with the mobo settings on this board.  The manual recommends slots 3/4 but the BIOS default settings are effectively preventing stability unless you are using slots 2/4 (without configuration).  I recommend contacting GIGABYTE about this error.

 

I get the same thing in my motherboard (slots 1/3 have tRFC of 90) unless I manually set all the tRFCs to the same number.

 

I'm also confused as to how that diagram shows anything that says that 1/2 are the preferred slots, nothing mentions it.  While it seems logical to be choosing the inner slots, I believe the choice of outer slots has to do with better running stability.  The manuals of my GA-990XA-UD3 and (now with someone else) GA-MA790XT-UD4P make the same claims.  I'm having a look at the 890FXA-UD5 manual online but oddly it doesn't even make any such recommendations.

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post #24 of 25
3/3/12 at 9:46pm
Slots 1 & 2 have been the recommended primary slots on mobos for at least 20 years that I know of. That is why they are shown as top-left and the secondary 3 & 4 slots are lower-right. You read left to right, top to bottom in the Western world. I have Gigabyte and other mobo manuals that state that if you are using only two DIMMs that they should be installed in slots 1 & 2, i.e. the preferred slots. Nothing prevents a mobo make from changing this however if they chose.

As I stated, ALL of the RAM configurations should be manually controllable. Since the OP claims the RAM he used before worked fine, I would expect the new RAM is at least part of the issue. The BIOS may be FUBAR and need updating too?

I also recommended back in post # 4 to contact Gigabyte and G.Skill to see if there were any known issues with this RAM/mobo combo. There could be typos in the OM when translated from Taiwanese to English??? wink.gif
Edited by AMD4ME - 3/3/12 at 10:24pm
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post #25 of 25
3/3/12 at 10:02pm
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

^ You do realize that this isn't even supposed to be about 1/2 and 3/4, right?  He's right - GIGABYTE's manual conflicts with the mobo settings on this board.  The manual recommends slots 3/4 but the BIOS default settings are effectively preventing stability unless you are using slots 2/4 (without configuration).  I recommend contacting GIGABYTE about this error.

I get the same thing in my motherboard (slots 1/3 have tRFC of 90) unless I manually set all the tRFCs to the same number.

I'm also confused as to how that diagram shows anything that says that 1/2 are the preferred slots, nothing mentions it.  While it seems logical to be choosing the inner slots, I believe the choice of outer slots has to do with better running stability.  The manuals of my GA-990XA-UD3 and (now with someone else) GA-MA790XT-UD4P make the same claims.  I'm having a look at the 890FXA-UD5 manual online but oddly it doesn't even make any such recommendations.

Yeah, I'm thinking about contacting them as well. 1/2 and 3/4 is irrelevant when the problem lies with 1/3 and 2/4 wink.gif

Probably not really worth it just for this board since it hasn't even received a BIOs update in almost 2 years.. but if it's a universal flaw they can get it fixed for future products.
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Ivykepler
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