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Adding an Intel Core 2 Quad Q8400 to a MB that has an FSB of 1066

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May 19, 2011 12:04:24 PM

I would like to upgrade the processor on my Intel motherboard, BOXD975XBX2KR. The FSB on it is 1066 and the only Quad processors I seem to be able to find have an FSB 1333. Is this possible?

Thanks
Peter
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May 19, 2011 12:15:21 PM

I guess not.. The board will only support processors with FSB 1066 or lower bearing the same socket..
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May 19, 2011 12:41:10 PM

Actually - it will work. I also have a motherboard with 1066MHz FSB and I also run a Q8400 - and it works quite well. Install it and relax, it will work! :) 
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May 30, 2011 8:17:12 AM

Well I have ordered an Q8400. I should have the processed installed later this week.
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May 30, 2011 1:17:13 PM

Wicked. Get a Cooler Master Hyper 212+ and OC it to 3.2GHz. Great performance with low temperatures and silent operation. Worth it.
June 4, 2011 2:02:12 PM

Added the Q8400 and the MB will not even boot. Any ideas?

Thanks
Peter
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June 4, 2011 4:37:04 PM

packer_fan said:
Added the Q8400 and the MB will not even boot. Any ideas?

Thanks
Peter


My intel mobo DG33FB initially only supported only 1066 FSB quads [was even printed on the box]
After 2 years while i was updating to the latest bios , i went thru the list of added features, and it said that the mobo now supports 1333mhz quads, as well as half multipliers :) 
just check on intel's website regarding whats included in the latest bios for ur mobo:) 
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June 4, 2011 5:20:40 PM

packer_fan said:
Added the Q8400 and the MB will not even boot. Any ideas?

Thanks
Peter


Put your old processor back and upgrade to the latest available BIOS from the Intel website (or wherever available)..
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June 4, 2011 5:22:43 PM

packer_fan said:
Added the Q8400 and the MB will not even boot. Any ideas?

Thanks
Peter


Put your old processor back and upgrade to the latest available BIOS from the Intel website (or wherever available)..
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June 9, 2011 1:15:08 PM

Emperus said:
Put your old processor back and upgrade to the latest available BIOS from the Intel website (or wherever available)..


I didn't even update the BIOS. Added the CPU (used to run on an old P4 CPU) and everything worked. I did update the BIOS to OC better much later on though, and it dramatically increased speed. I find it confusing.
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June 9, 2011 1:28:37 PM

Grab a mobo that support 1333 so you will not have a problem
!