Re: [Xen-users] Re: Is there a motherboard with paralell port and VT-d virtualization?

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sat, Sep 04, 2010 at 12:51:26PM -0300, Juan Pablo Lopez Bergero wrote:
>    On Sat, Sep 4, 2010 at 9:23 AM, Pasi Kärkkäinen <[1]pasik@xxxxxx> wrote:
> 
>      On Fri, Sep 03, 2010 at 05:02:49PM -0400, Michael Lueck wrote:
>      > Juan Pablo Lopez Bergero wrote:
>      >> I need a paralell port and rs232 also.
>      >
>      > I use a system with this Intel board in it:
>      >
>      > "Intel Desktop Board DG33BU"
>      >
>      
> [2]http://www.intel.com/products/desktop/motherboards/dg33bu/dg33bu-overview.htm
>      >
>      > The latest flash BIOS update adds VT-d support, has a parallel,
>      serial, and even floppy connector.
>      >
>      > I have an Intel Core2 Duo Processor E8500 (6M Cache, 3.16 GHz, 1333
>      MHz FSB) chip in it. Works quite nicely.
>      >
> 
>      Note that parallel port is NOT a PCI device, so you cannot use Xen PCI
>      passthru
>      (IOMMU/VT-d or not) to passthru it to a guest VM.
> 
>      You need some other form of "parallel port passthru" if you need to use
>      it in the VM.
>      -- Pasi
> 
> 
>    There is a sarial port emulation on the kernel xen options. Is there the
>    same for paralell?
> 

I don't know. 

Qemu-dm has serial support for Xen HVM guests, but I don't know about 
parallel/lpt.

-- Pasi


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