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rere (64bit computer not compatible)
64bit processors have most registers specially the integer registers as 64bit. It can handle 64bit wide internal and external data. All internal and external buses may or may not be 64bit wide. - Neeraj Sharma
You can run a 32bit operating system on a 64bit machine.
Only if the processor has special 64-bit extensions, known as AMD64 or EM64T. Certain Pentium 4 processors, all Core 2 processors, and all AMD Athlon 64 processors have these extensions, and can thus run 64-bit operating systems and programs.
I think it has something to do with the architecture being x64 and not x86, not really positive though. Having the same problem on Windows 7 64bit, but it works fine on Windows 7 32bit.
No, not unless all of the following .Confirm that the computer's processor and motherboard are both 64bit. All 64bit Windows Operating systems will only work on computers that have both 64bit processor and 64bit motherboard architectures.Confirm the computer has no less then the other minimum hardware requirements (Processor Speed, Ram memory, Hard Drive memory, etc.) for the Windows 7 64bit version you want to install.Windows XP 32bit must be removed/deleted before doing a clean install of Windows 7 64bit on the hard drive.
There is not. And that is because 64bit can run 32bit, but 32bit has problems running 64bit.
64bit
Absolutely !
64bit
Systems that have 64-bit microprocessors include IBM's POWER6, POWER7, and PowerPC 970. The PlayStation 3 and Microsoft Xbox 360 both have 64-bit processors.
My OS is Win 7 64bit and when I play NFS Underground 2, SPEED.EXE sometimes stops work, how can I fix it?