TARG_SCSIRATE
ahc_outb(ahc, TARG_SCSIRATE + i, target_settings);
for (i = TARG_SCSIRATE; i < SCSICONF; i++)
scsirate = ahc_inb(ahc, TARG_SCSIRATE + i);
ahc_outb(ahc, TARG_SCSIRATE + i, scsirate);