PI_DEFEA_K_BURST_HOLDOFF
bar_start[1] = base_addr + PI_DEFEA_K_BURST_HOLDOFF;
val = PI_DEFEA_K_BURST_HOLDOFF;
val = inb(base_addr + PI_DEFEA_K_BURST_HOLDOFF);
outb(val, base_addr + PI_DEFEA_K_BURST_HOLDOFF);