How to tell whether CPU supports x64?
nightrecon at hotmail.com
Thu Mar 17 22:44:47 UTC 2011
> I have a remote server, and I'd like to know if it will support
> 64-bit instructions. Is there some way I can tell? It's running 32-bit
> FreeBSD right now.
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2387.76-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0xf29 Stepping = 9
> Logical CPUs per core: 2
> real memory = 1073676288 (1023 MB)
> avail memory = 1041502208 (993 MB)
> ACPI APIC Table: <DELL PE1750 >
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> I've had no luck trying to search for the id/stepping. Would the
> feature list show x64 support?
If memory serves, another way to look at it might be to check your Front
Side Bus speed. If this is Socket 604 I believe FSB speeds of 533MHz were
not 64 bit CPUs. I seem to recall that 64 bit support did not start until
the 800MHz FSB processors came out.
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