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CaptainCox
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Posts: 6823
Location: A Swede in Germany (FaM)
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 Posted: Mon, 12th May 2008 12:26 Post subject: RAM Channels/Slots 1A/2A disabled? |
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Since I got my ASUS Rampage Formula I only been able to run my 2 Gb of OCZ FlexXLC 1200MHz in single channel configuration. This means in the two channels furthest away from the CPU, channel 2A/2B (White/Blue).
If i put a ram stick in any of the A slots the board wont post, but just sits on "DET DRAM" (This board has a small LCD monitor that shows the boot sequence)
I also tried with my old OCZ SLI Ready Nvidia 1066MHz sticks, same result, just sits on "DET DRAM" no post.
The manual of this board says the following about RAM compatibility
| Quote: | | This chip set officially supports DDR2-800 MHz. With the ASUS Super Memspeed Technology, this motherboard natively supports up to DDR2-1066 MHz |
Now of course I realize that I am trying to run 1200MHz sticks here, but why do they work only in the 2A/2B channels/slots?.
Like I said tried with my old 1066MHz sticks in the 1A/2A slots (one at the time) and the system wont post.
Written to ASUS tech support, but cause of the long weekend I guess I will not have any answer until the middle of the week.
I guess I could order a set of new 1066 sticks, but I want to be sure before I waist any money, could as well be the mobo, would be the 2nd time I RMA this board then.
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$en$i
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CaptainCox
VIP Member
Posts: 6823
Location: A Swede in Germany (FaM)
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| Posted: Mon, 12th May 2008 18:42 Post subject: |
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Cheers, at the mo I don't feel like opening the case and fiddle, been at it for 2 days now, open case, remove ram, try a different slot, bios, check, change slots and what have you. But I will try it in the morn.
Done some reading up on it over the last days, and it seems its not a common problem, but I have found at least 4-5 guys with exactly the same. So far i have not found any clear solution, other then getting some ram sticks from that latest QVL list...and even that might not do it...
Again, cheers for the input, will try later.
Just a note on that QVL, why does it say
| Quote: | | 1024MB OCZ Heat-Sink Package N/A DS N/A V |
in the 1200MHz column...N/A but its listed?
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$en$i
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Posts: 3127
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| Posted: Mon, 12th May 2008 19:13 Post subject: |
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I can only guess that they don't bother giving the chips and brand numbers -thus these not really helpful n/a- coz most of those tried will work as specified with four modules in dual-channel mode.
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CaptainCox
VIP Member
Posts: 6823
Location: A Swede in Germany (FaM)
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| Posted: Mon, 12th May 2008 20:04 Post subject: |
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Cheers, I hope to get a response from their support in the morn as well. I will also call their German Hotline, lets see what comes out of it. Never had this much trouble with any Mobo ever. And I probably built 4-5 systems from scratch.
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