2.11BSD/sys/OTHERS/kl/kl.h

/*
 *  NKL11 includes both KL11's and DL11's.
 *  It should always be at least 1 (the console).
 */
#define	NKL	4
/*
 * set up for DLV11-E boards
 */
#define MIN_SPEED	2
#define MAX_SPEED	3
#define MIN_MODEM	3
#define MAX_MODEM	3