Re: [Qemu-devel] [RFC 10/10] fdc: change default drive to 288

[Kevin O'Connor]

On Tue, Jun 30, 2015 at 09:20:40PM -0400, John Snow wrote:
> The 2.88 drive is more suitable as a default because
> it can still read 1.44 images correctly, but the reverse
> is not true.
> 
> Since there exist virtio-win drivers that are shipped on
> 2.88 floppy images, this patch will allow VMs booted without
> a floppy disk inserted to later insert a 2.88MB floppy and
> have that work.

On real machines, 1.44MB floppy drives were very common.  It was
exceptionally rare to see 2.88MB floppy drives though.  There is a
risk that changing the default to an exotic piece of hardware will
expose quirks in guest Operating Systems.

-Kevin