Mailing List Archived Message #180

From: "Doug Bissett" <> Full Headers
Undecoded message
Subject: Re: [Virtualized eCS] Vbox question and cores (AOS 503)
Date: Sat, 11 Dec 2021 10:03:55 -0700 (MST)
To: "Virtualized eCS Users Mailing List" <>

On 2021-12-11, at 12:23:05, Massimo S. wrote:
> Il 10/12/2021 23:27, Lewis G Rosenthal ha scritto:
> >On 12/09/21 02:20 pm, Massimo S. wrote:
> >>Hi all,
> >>
> >>is it possible to give 3 or 5 cores to an AOS503 guest VM?
> >>
> >I assume you mean whether you can configure the guest to use 3 or 5 virtual CPUs. If so:
> >Yes. Give it 16 or 32 cores, if you like, and you have them. How it runs and whether there is any performance gain over one
> core is debatable, considering the load on the host and other factors involved. The problem is not with the kernel in ArcaOS
> supporting multiple CPUs but with VBox presenting the CPUs to the guest. Different versions of VBox seem to behave
> differently. The latest 6.x versions seem relatively stable.
> >Multiple CPUs require I/O APIC to be enabled, which itself may decrease VM performance.
> i've seen i've I/O APIC enabled for all my VMS
> about chipset i'm using PIIX3 should i use ICH9?
> thanks
> massimo

I always use PIIX3.

Have a read at:


From Doug Bissett's ArcaOS system
dougb007 AT

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