ACER_FTH_OPL 5449 dev/pci/pciide.c acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | ACER_FTH_OPL 5457 dev/pci/pciide.c ACER_FTH_OPL(chp->channel, drive, 0x1); ACER_FTH_OPL 5461 dev/pci/pciide.c acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2);