LCG_FIFO_WIN_ADDR
fifoaddr = (long*)vax_map_physmem(LCG_FIFO_WIN_ADDR, (LCG_FIFO_WIN_SIZE/VAX_NBPG));
ioaccess((vaddr_t)fifoaddr, LCG_FIFO_WIN_ADDR, (LCG_FIFO_WIN_SIZE/VAX_NBPG));