I botched my last change to sun3/conf.c such that the "kd" device
(keyboard/display) can never become a console.  Oops!

Here is the fix:

diff -rc ../sun3.orig/sun3/conf.c ./sun3/conf.c
*** ../sun3.orig/sun3/conf.c	Fri Oct 13 22:28:19 1995
--- ./sun3/conf.c	Sat Oct 28 13:41:09 1995
***************
*** 180,186 ****
  	cdev_notdef(),			/* 10: systech multi-terminal board */
  	cdev_notdef(),			/* 11: DES encryption chip */
  	cdev_tty_init(NZS,zs),		/* 12: Zilog 8350 serial port */
! 	cdev_mouse_init(NZS-1,ms),	/* 13: Sun mouse */
  	cdev_notdef(),			/* 14: cgone */
  	cdev_notdef(),			/* 15: /dev/winXXX */
  	cdev_log_init(1,log),		/* 16: /dev/klog */
--- 180,186 ----
  	cdev_notdef(),			/* 10: systech multi-terminal board */
  	cdev_notdef(),			/* 11: DES encryption chip */
  	cdev_tty_init(NZS,zs),		/* 12: Zilog 8350 serial port */
! 	cdev_mouse_init(NKD,ms),	/* 13: Sun mouse */
  	cdev_notdef(),			/* 14: cgone */
  	cdev_notdef(),			/* 15: /dev/winXXX */
  	cdev_log_init(1,log),		/* 16: /dev/klog */
***************
*** 196,202 ****
  	cdev_notdef(),			/* 26: bwone */
  	cdev_fb_init(NBWTWO,bw2),	/* 27: bwtwo */
  	cdev_notdef(),			/* 28: Systech VPC-2200 versatec/centronics */
! 	cdev_mouse_init(NZS-1,kbd),	/* 29: Sun keyboard */
  	cdev_tape_init(NXT,xt),		/* 30: Xylogics tape */
  	cdev_fb_init(NCGTWO,cg2),	/* 31: cgtwo */
  	cdev_notdef(),			/* 32: /dev/gpone */
--- 196,202 ----
  	cdev_notdef(),			/* 26: bwone */
  	cdev_fb_init(NBWTWO,bw2),	/* 27: bwtwo */
  	cdev_notdef(),			/* 28: Systech VPC-2200 versatec/centronics */
! 	cdev_mouse_init(NKD,kbd),	/* 29: Sun keyboard */
  	cdev_tape_init(NXT,xt),		/* 30: Xylogics tape */
  	cdev_fb_init(NCGTWO,cg2),	/* 31: cgtwo */
  	cdev_notdef(),			/* 32: /dev/gpone */
***************
*** 388,394 ****
  	{ zscnprobe_a, zscninit, zscngetc, zscnputc, zscnpollc },
  	{ zscnprobe_b, zscninit, zscngetc, zscnputc, zscnpollc },
  #endif
! #if NKD > 1
  	cons_init(kd),
  #endif
  	{ 0 },	/* REQIURED! */
--- 388,394 ----
  	{ zscnprobe_a, zscninit, zscngetc, zscnputc, zscnpollc },
  	{ zscnprobe_b, zscninit, zscngetc, zscnputc, zscnpollc },
  #endif
! #if NKD > 0
  	cons_init(kd),
  #endif
  	{ 0 },	/* REQIURED! */