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Asus Maximus Extreme - No dual channel ???

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Hi.

I have Asus Maximus extreme X38 motherboard for about 4 yaers.

I have never experienced such kind of misfortune with this board:

Board will only boot with first and second slot populated with ram sticks(blue and white).
As soon as I insert ram into 3 or 4th slot - it's a no go.
board runs fine with 2 sticks in single channel.
No bios update or clearing Cmos helps.
Another question:
Is there any way to completely erase cmos data on this board.
I 've tried afudos /pc or /pcbn options while updating bios - no matter what I do OC profiles are kept intact.

Is there any solution to my situation:rockout::rockout::rockout:
Thanks
 
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maybe try this if you have not already.
disconnect all power and take out bios batterie for over 20 min or longer.
 

Kreij

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Did this just start recently? What are the whole system specs?
 
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Joined
Sep 26, 2008
Messages
38 (0.01/day)
Location
Israel
System Name Dragon XFIRE
Processor Amd 5900x 4.6Ghz all core 1.190
Motherboard Msi B550 Unify
Cooling Custom WC RIG - XSPC RAYSTORM Pro WB for CPU;
Memory G.Skill 4x16GB 3600Mhz 16-17-17-17-36
Video Card(s) Gigabyte 1080 Ti WC
Storage HP EX950 2TB
Display(s) LG 34 inch. ,3440X1440
Case Phantexs 719.
Audio Device(s) Sennheiser 1000GX
Power Supply Seasonic Platinium 1200w XP
Mouse SteelSeries 650
Keyboard Logitech 613
Software Windows 10 64-bit
Benchmark Scores 3DMARK 11-X4945 http://www.3dmark.com/3dm11/9260778
maximus extreme - x38 - no dual channel

Thanks to all for your prompt reply.

system specs - CPU - Q9550 - GPU - HD 6950
Ram - I have G.Skill - SuperTalent - Mushkin - all in working condition.
I have not used Board for some time - May be an year or so - never experienced this kind of behaviour previously - no matter what size of memory I insert - 1GB or 2GB in slots 3 or 4 - No go.

thanks again
 
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