gEfiMdePkgTokenSpaceGuid.PcdPort80DataWidth

The bit width of data to be written to Port80. The default value is 8.
Port80 Data Width
0x80000001 | 8, 16, 32

PCD Information

Name	Token Space	Token number	Data Type	Default Value
PcdPort80DataWidth	gEfiMdePkgTokenSpaceGuid	0x0000002d	UINT8	8