FREE_SCBH        4234 dev/ic/aic7xxx.c 		ahc_outb(ahc, FREE_SCBH, 0);
FREE_SCBH        4237 dev/ic/aic7xxx.c 		ahc_outb(ahc, FREE_SCBH, SCB_LIST_NULL);
FREE_SCBH        5589 dev/ic/aic7xxx.c 		ahc_outb(ahc, SCB_NEXT, ahc_inb(ahc, FREE_SCBH));
FREE_SCBH        5590 dev/ic/aic7xxx.c 		ahc_outb(ahc, FREE_SCBH, ahc_inb(ahc, SCBPTR));
FREE_SCBH        6597 dev/ic/aic7xxx.c 	scb_index = ahc_inb(ahc, FREE_SCBH);