of the kernel). Also, if the mouse baud rate is 0, say the mouse the isn't
there (so a terminal may be attached in its place). Make debugging mouse
problems much easier.
interface border, so that other serial interfaces can be attached to the
ms/kbd. zero functional changes and mostly involves moving code around
a bit. tested on the SS2.
this is necessary to attach the PCI ultrasparc keyboard/mouse drivers.
