Here is the config I am currently using:

#
# config file for Gordon's Sun3/60
#

include "std.sun3"

# Machines to be supported by this kernel
options		"SUN3_50"
options		"SUN3_60"

# Needs to be set per system.  i.e change these as you see fit
maxusers	4
options		TIMEZONE=300		# minutes west of GMT (for param.c)
options 	DST=2			# daylight savings rules (for param.c)

# Standard system options
options		SWAPPAGER, VNODEPAGER, DEVPAGER	# paging
options		KTRACE				# system call tracing support
#makeoptions	DEBUG="-g"			# symbols for kgdb + nm
# I use DDB by copying in the symbols with dbsym.
options		DDB
options		SYMTAB_SPACE=80000

# Filesystem options
options 	NFSSERVER			# nfs server support
options 	NFSCLIENT			# nfs client support
#options 	FFS				# ufs file system

# Networking options
options		INET				# IP prototol stack support

# Sun3-specific options
options		COMPAT_SUNOS
options		COMPAT_09

# Sun3-specific debugging options
options 	CONTEXT_DEBUG
options 	PMAP_DEBUG
#options 	VMFAULT_TRACE
#options 	SYSCALL_DEBUG
options 	EXEC_DEBUG
options 	DIAGNOSTIC
options 	SCSIDEBUG

config		netbsd swap nfs

le0 at obio? addr ? level 3

zs0 at obio? addr  0x20000 level 2
zs1 at obio? addr  0x00000 level 2
kd0 at mainbus0

si0 at obio? addr ? level ?
scsibus* at scsi?
sd* at scsibus? target ? lun ?
st* at scsibus? target ? lun ?
#cd* at scsibus? target ? lun ?
#ch* at scsibus? target ? lun ?

idprom0 at obctl? addr ? size ?

pseudo-device	loop
pseudo-device	pty

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