please suggest a mobo to drop my core 2 extreme x6800 into

oaklandpunx

Junior Member
Mar 20, 2012
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I Need advice on building a comp based on a core 2 extreme x6800. I pulled an engineering sample processor out of a shuttle PC that died, and want to build a new gaming comp that will use it. I don't know much about LGA775 slots or what the best Northbridge chipset is, but I would like to run a modern video card PCIe2.0x16 and DDR3 if possible, so please help me find a suitable mobo to build from. I would prefer a full size mobo that has all the bells and whistles on it so that I can make the best of that old processor while playing games like MW3 and BF3. Thanx
 

Slugbait

Elite Member
Oct 9, 1999
3,633
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My x6800 is on a Bad Axe II mobo, it's got most of the bells and whistles available for 775. Got a GTX460 on it right now. However, it doesn't support DDR3, and this mobo won't take the x6800 beyond 3.5 GHz if you wanna overclock. But it's been rock-solid stable for me for about six years now.

If buying a new board, which is ATX and supports DDR3, your choices are between slim and none.
 

Gillbot

Lifer
Jan 11, 2001
28,830
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Your best bet is probably P45 based but ram isn't going to be cheap or easy to find. You may want to opt for something x48 based but I don't really see it as that much of a benefit over the P45.
 

justinm

Senior member
Mar 7, 2003
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You could always find a P45 motherboard that has DDR3. They are out there, just have to look. As for X48, you have two PCIe 2.0 x16 electrical slots (not just an x16 slot that's wired for x8 or x4) and DDR3 support. Normally, higher end P45 mobos and X48 mobos are well featured anyway.
 

mfenn

Elite Member
Jan 17, 2010
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www.mfenn.com
For an old CPU like that, you don't want to be dropping too much on a mobo. Your options are quite limited, but this Intel seems like a contender. P45, DDR3, PCIe Gen2, etc.
 

justinm

Senior member
Mar 7, 2003
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The DP45SG is a good choice. DDR3 and P45 but it does not overclock well from what I've read.
 

oaklandpunx

Junior Member
Mar 20, 2012
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I should have mentioned that the engineering sample x6800 is clocked @ 2.93/1066, and I read in the reviews of the DP45SG, that "Cons: 1600/1333 FSB Speed (DOES NOT SUPPORT 1066 FSB, YOUR Q6600 or any 1066 FSB processor WILL NOT WORK)"
I looked up the DP45SG on Intel's site and it says the x6800 is fully compatible, so should I be swayed by this person giving feedback on newegg?
 

DSF

Diamond Member
Oct 6, 2007
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I should have mentioned that the engineering sample x6800 is clocked @ 2.93/1066, and I read in the reviews of the DP45SG, that "Cons: 1600/1333 FSB Speed (DOES NOT SUPPORT 1066 FSB, YOUR Q6600 or any 1066 FSB processor WILL NOT WORK)"
I looked up the DP45SG on Intel's site and it says the x6800 is fully compatible, so should I be swayed by this person giving feedback on newegg?

Granted, none of us know the specifics of that person's situation.

http://processormatch.intel.com/CompDB/SearchResult.aspx?BoardName=DP45SG

I dunno if that's where you looked, but it's Intel's official processor compatibility list for the DP45SG. I'd consider it a pretty reliable source, and the X6800 and Q6600 are both on there.
 

mfenn

Elite Member
Jan 17, 2010
22,400
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www.mfenn.com
I should have mentioned that the engineering sample x6800 is clocked @ 2.93/1066, and I read in the reviews of the DP45SG, that "Cons: 1600/1333 FSB Speed (DOES NOT SUPPORT 1066 FSB, YOUR Q6600 or any 1066 FSB processor WILL NOT WORK)"
I looked up the DP45SG on Intel's site and it says the x6800 is fully compatible, so should I be swayed by this person giving feedback on newegg?

Intel says it's compatible and they're far more trustworthy than some random guy on the Internet. I wouldn't worry.