QUADWORD Sets the default size to 8 bytes. LONGWORD Sets the default size to 4 bytes. WORD Sets the default size to 2 bytes. BYTE Sets the default size to 1 byte. PHYSICAL Sets the default access method to physical addresses. VIRTUAL Sets the default access method to virtual addresses. You can specify only one parameter out of each group. If you are changing both size and access method, separate the two parameters by spaces or a comma. Include a comma only if you are specifying a parameter from both groups.