PCI_MECH2_ENABLE_PORT
out8((uint8)(0xf0 | (function << 1)), PCI_MECH2_ENABLE_PORT);
out8(0, PCI_MECH2_ENABLE_PORT);
out8((uint8)(0xf0 | (function << 1)), PCI_MECH2_ENABLE_PORT);
out8(0, PCI_MECH2_ENABLE_PORT);