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+For now, AtapiPassThru driver in this package is to test Scsi Bus support:
+ScsiBus driver should support both/either ScsiPassThru and ExtScsiPassThru
+installed on a controller handle.
+
+AtapiPassThru driver in this package can selectively produce ScsiPassThru
+and/or ExtScsiPassThru protocol based on feature flags of PcdSupportScsiPassThru
+and PcdExtScsiPassThru.
+
+Please note that AtapiPassThru driver has not been tuned to size optimal.
+Neither is it feature complete: several driver model protocols required
+by option ROM driver, e.g. EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL Protocol.
+
+Build Validation:
+MYTOOLS(VS2005) IA32 X64 IPF EBC
+ICC IA32 X64 IPF
+CYGWINGCC IA32 X64
+