SCN2681            95 include/asm-m68k/apollohw.h #define sio01 ((*(volatile struct SCN2681 *)(IO_BASE + sio01_physaddr)))
SCN2681            96 include/asm-m68k/apollohw.h #define sio23 ((*(volatile struct SCN2681 *)(IO_BASE + sio23_physaddr)))