RD_DFTHRSH_50    3150 dev/microcode/aic7xxx/aic79xx_reg.h #define		RD_DFTHRSH_50   	0x02
RD_DFTHRSH_50    1738 dev/microcode/aic7xxx/aic7xxx_reg.h #define		RD_DFTHRSH_50   	0x02