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Is my mobo & cpu 64bit capable?
I want buy windows 7 but before I do I need to know if my system is
capable of 64bit. Processor Manufacturer : AMD Model : AMD Athlon(tm) II X2 255 Processor Cores per Processor : 2 Unit(s) Threads per Core : 1 Unit(s) Type : Dual-Core Computer Manufacturer : Gigabyte Model : GA-880GM-UD2H TIA |
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Is my mobo & cpu 64bit capable?
Bob Smith wrote:
I want buy windows 7 but before I do I need to know if my system is capable of 64bit. Processor Manufacturer : AMD Model : AMD Athlon(tm) II X2 255 Processor Cores per Processor : 2 Unit(s) Threads per Core : 1 Unit(s) Type : Dual-Core Computer Manufacturer : Gigabyte Model : GA-880GM-UD2H TIA The answer for X2 255 is "Yes". http://products.amd.com/en-us/Deskto...il.aspx?id=627 Operating Mode 32 Bit Yes Operating Mode 64 Bit Yes In the case of the current AMD architecture (memory interface on processor), that makes the motherboard largely irrelevant in this question. There were some Intel boards a while back, which would "crimp the style" of a 64 bit OS, as the Northbridge only had 32 bit addresses on it, instead of 36 for PAE and the like, and also lacked memory remapping. And the resulting ~3GB limit would then make a 64 bit OS less attractive (i.e. to support large amounts of memory). On such a motherboard, you could physically install 4x2GB of RAM, but half of it would be ignored in all cases (no matter what OS). And that was a Northbridge limit. The AMD Hypertransport bus, as far as I know, has a pretty extensive addressing range - it has to, in order to support coherent links on Opteron server systems, where all processors can address all RAM on the computer. As far as I know, virtually any motherboard compatible with that processor, is going to work with a 64 bit OS. As long as there are drivers, of course. And Windows has quite a few built in drivers. Windows 7 has I/O space IDE, PCI space IDE, native SATA, AHCI (msahci) as well as some RAID (iastorv from Intel). So it can boot from a lot of stuff by default. You have to "rearm" the driver detection, before changing modes, so if you install in AHCI, and want to switch to non-AHCI, there is a registry key to set for that (to tell the OS to expect to have to find a new storage driver on the next boot). Paul |
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