2.9BSD/usr/include/sys/enable34.h

/*
 *	Addresses and bits for Able's ENABLE/34.
 *
 *	All information relevant to the ENABLE/34 is supplied with
 *	the permission of ABLE Computer and may not be disclosed in
 *	any manner to sites not licensed by the University of California
 *	for the Second Berkeley Software Distribution.
 *
 */

#define	ENABLE_SSR3		((u_short *) 0163676)

/* bits in the ENABLE's SSR3 */
#define	ENABLE_SSR3_PARS_ON	0000020
#define	ENABLE_SSR3_UBMAP_ON	0000040

#define	ENABLE_SSR4		((u_short *) 0163674)

/* bits in the ENABLE's SSR4 */
#define	ENABLE_SSR4_MAP_ON	0000001