PCI64BIT          229 drivers/scsi/aic7xxx/aic79xx_pci.c #define		PCI64BIT	0x00000080ul
PCI64BIT          575 drivers/scsi/aic7xxx/aic7xxx_pci.c #define		PCI64BIT	0x00000080ul	/* 64Bit PCI bus (Ultra2 Only)*/