Format of CardBus Socket/ExCA socket interface register space:
Offset	Size	Description	)
 00h	DWORD	Socket Event Register (see #00892)
 04h	DWORD	Socket Mask Register (see #00893)
 08h	DWORD	Socket Present State Register (see #00894)
 0Ch	DWORD	Socket Force Event Register (see #00895)
 10h	DWORD	Socket Control Register (see #00896)
 14h  3 DWORDs	reserved
 20h	DWORD	Socket Power Management Register
 90h	BYTE	(TI PCI1130) Retry Status Register
 91h	BYTE	(TI PCI1130) Card Control Register (see #00897)
 92h	BYTE	(TI PCI1130) Device Control Register (see #00898)
 93h	BYTE	(TI PCI1130) Buffer Control Register
800h 64+ BYTEs	ExCa Socket Interface Registers (see #00891)