MPARCKEN         7309 drivers/scsi/aic7xxx/aic79xx_core.c 	ahd_outb(ahd, DSCOMMAND0, ahd_inb(ahd, DSCOMMAND0)|MPARCKEN|CACHETHEN);
MPARCKEN          820 drivers/scsi/aic7xxx/aic7xxx_pci.c 	dscommand0 |= MPARCKEN|CACHETHEN;