RD_DFTHRSH_75    3148 dev/microcode/aic7xxx/aic79xx_reg.h #define		RD_DFTHRSH_75   	0x04
RD_DFTHRSH_75    1736 dev/microcode/aic7xxx/aic7xxx_reg.h #define		RD_DFTHRSH_75   	0x04