On Mon, Jun 29, 2015 at 08:02:06PM +0200, Alexander Burger wrote:
> It seems that virtualbox doesn't support BIOS 0x13 interrupts for
> "Extended Read Sectors" calls.
> > It still freezes on the black screen Loading PilOS
> We guessed that from the fact that this message appears, but not the
> following "Checking long mode".
And, for Virtual PC, we get a "READ ERROR 01" which means "Invalid
command" (https://en.wikipedia.org/wiki/INT_13). Same.