WR_DFTHRSH_75    3141 dev/microcode/aic7xxx/aic79xx_reg.h #define		WR_DFTHRSH_75   	0x40
WR_DFTHRSH_75    1728 dev/microcode/aic7xxx/aic7xxx_reg.h #define		WR_DFTHRSH_75   	0x40