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AMD Opteron 270 and AMD-V?
Posted: 13. Jul 2010, 14:40
by virualhuman
I have a dual cpu system (Tyan motherboard) which has two AMD Opteron 270 CPU's.
Currently, VirtualBox reports that my system does not support AMD-V and wikipedia confirms that the Opteron 270 CPU does not support AMD-V (
http://en.wikipedia.org/wiki/List_of_AM ... processors).
What does this mean for me in practice? What am I missing now that my CPU's do not support AMD-V?
Any help would be appreciated.
Thank you.
Re: AMD Opteron 270 and AMD-V?
Posted: 13. Jul 2010, 15:39
by dmcgraw
It means that you will only be able to run 32-bit guests without SMP.
Re: AMD Opteron 270 and AMD-V?
Posted: 13. Jul 2010, 15:41
by fixedwheel
As your host has only 2 CPUs the missing guest SMP feature doesn't hurt IMHO
Re: AMD Opteron 270 and AMD-V?
Posted: 14. Jul 2010, 10:39
by virualhuman
Ah, I see.
No problem then, I'm currently running 4 emulations, one per cpu core.
Thank you for your explanation!
Re: AMD Opteron 270 and AMD-V?
Posted: 17. Jul 2011, 23:19
by gg48gg
I beleive that some of the info here is incorrect.
If you have 2 opteron 270's you have four cores total.
Also, these are 64 bi cpu's so why wouldn't you be able to run a 64 bi guest, albeit only with one cpu?
Re: AMD Opteron 270 and AMD-V?
Posted: 17. Jul 2011, 23:41
by Perryg
gg48gg wrote:I beleive that some of the info here is incorrect.
If you have 2 opteron 270's you have four cores total.
Also, these are 64 bi cpu's so why wouldn't you be able to run a 64 bi guest, albeit only with one cpu?
Without AMD-v you can't run 64-bit guests in VirtualBox. Same with VT-x for Intel. If it is missing you can only run 32-bit guests.