V3_SYSTEM
if (readw(v3->base + V3_SYSTEM) & V3_SYSTEM_M_LOCK)
writew(V3_SYSTEM_UNLOCK, v3->base + V3_SYSTEM);
val = readw(v3->base + V3_SYSTEM);
writew(val, v3->base + V3_SYSTEM);
val = readw(v3->base + V3_SYSTEM);
writew(val, v3->base + V3_SYSTEM);
val = readw(v3->base + V3_SYSTEM);
writew(val, v3->base + V3_SYSTEM);