frhncarb

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Sep 18, 2011
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Most LGA 775 mb's don't support dual 32 and 64 bit boot. I am sure that some do, but I have not as yet found one that claims so. Additionally, I need one that supports 8 gb of DDR3 memory. Please advise
 
The limiting factor is going to be more of which LGA775 Processor supports both.

Most 775 CPU's are 32-bit, with only a few of the later model and server chips being 64 bit. In order to dual boot you are going to need a CPU that is using a 64bit architecture.

Once you have a CPU, you can look at which boards support that specific CPU, but ost MB's that are 775, are going to have BIOS updates to support almost all 775 CPUs.