On Wed, Dec 31, 2014 at 11:32:12AM -0500, Kevin O'Connor wrote:
Set the "depth" flag on bulk transactions. Since SeaBIOS doesn't use bandwidth reclamation, without the depth flag the uhci controller will only transfer one bulk packet per 1 ms frame. This results in a maximum of 64 bytes per millisecond, which severely limits the transfer rate.
FYI, I committed these two patches.
-Kevin