EN0_BOUNDARY
this_frame = inb_p(e8390_base + EN0_BOUNDARY) + 1;
outb_p(next_frame-1, e8390_base+EN0_BOUNDARY);
outb_p(ei_local->stop_page-1, e8390_base + EN0_BOUNDARY); /* 3c503 says 0x3f,NS0x26*/
ei_outb_p(ei_local->stop_page-1, e8390_base + EN0_BOUNDARY); /* 3c503 says 0x3f,NS0x26*/
this_frame = ei_inb_p(e8390_base + EN0_BOUNDARY) + 1;
ei_outb(ei_local->current_page-1, e8390_base+EN0_BOUNDARY);
ei_outb_p(next_frame-1, e8390_base+EN0_BOUNDARY);