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C1 Error

S

StGermain575

n00b
Joined
Dec 20, 2006
Messages
38
I just grabbed a new 680i SLI board for my gaming system and after running fine for a week, I'm all of a sudden getting a single loud beep that continues endlessly on startup, accompanied by a "C1" flashing on the board.

I know for a fact that all 4 sticks of 1gb Corsair XM2 DDR2 are fine, as all of them run fine and cause the computer to boot when put in the first 2 DIMM slots. If I try putting all 4 sticks in all 4 slots however, I get that severe, grating beep and the system just doesn't boot at all. What is this "C1" the mobo is flashing at me all about? What the hell does it want from me?


[I usually wouldn't ask such tech-support-like questions, but the fact that I just dropped 3k on a very nice gaming machine only to have it become unusable in the first week is...frustrating, as you can image. :/ ]
 
You got an EVGA board? Check out their forums, there's a huge thread about those things killing ram. Seems like the board overvolts the ram, or has a really hard time detecting and supplying the right voltage to some models. The real problem is overvolting, the modules can only withstand so much, and the problem is much worse for ram that wants high voltage to begin with (2.2v+) If you can boot it, try setting the ram voltage to 2.0 or a bit below whatever Corsair recommends for that model. Seems like ram designed for 2.2v is working fine with as low as 1.95v reported in the bios.
I gotta try this out myself, just built a new system like you, but only ran it for 2 days until I had to head back to school. Hopefully my Ballistix are still good.
 
I had the same problem, in fact one of my sticks of ram was damaged by the board. Here's how I fixed mine, pop out the CMOS battery for awhile (mine was overnight), remove all ram, put 1 stick ram in a black slot, boot into BIOS and set ram voltage to 2.0v (this is just my setting, the spec for my ram is 2.4v). If it boots into Windows, shut down and install more ram. Keep the voltage below spec though, I had to undervolt mine and set it to 800mhz. I'm not real happy with 1250mhz ram at 800, but I can set much more aggressive timings.

I plan on leaving it like this until they (EVGA & Nvidia) have identified and repaired the problem, then I'll rma the board.
 
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