INSTALL_TINY revision 1.149
1#	$NetBSD: INSTALL_TINY,v 1.149 2017/02/19 07:47:01 rin Exp $
2#
3#	This kernel should be derived from INSTALL (which is derived
4#	from GENERIC) with some features commented out.
5#
6#	This kernel has been optimized for space. It is targeted towards
7#	small memory machines (4M). It has no SCSI, PCI or EISA. It does
8#	have pcmcia, for old laptops.
9#
10
11include "arch/i386/conf/std.i386"
12
13#options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
14
15makeoptions	COPTS="-Os"		# Optimise for space. Implies -O2
16makeoptions	USE_SSP="no"
17
18# Enable the hooks used for initializing the root memory-disk.
19options 	MEMORY_DISK_HOOKS
20options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
21options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
22options 	MEMORY_DISK_ROOT_SIZE=3100	# size of memory disk, in blocks
23options 	MEMORY_DISK_RBFLAGS=RB_SINGLE	# boot in single-user mode
24
25maxusers	2		# estimated number of users
26
27# CPU-related options.
28#options 	VM86		# virtual 8086 emulation
29#options 	USER_LDT	# user-settable LDT; used by WINE
30
31# This option allows you to force a serial console at the specified
32# I/O address.
33#options 	CONSDEVNAME="\"com\"",CONADDR=0x3f8,CONSPEED=9600
34
35# The following options override the memory sizes passed in from the boot
36# block.  Use them *only* if the boot block is unable to determine the correct
37# values.  Note that the BIOS may *correctly* report less than 640k of base
38# memory if the extended BIOS data area is located at the top of base memory
39# (as is the case on most recent systems).
40#options 	REALBASEMEM=...	# size of base memory
41#options 	REALEXTMEM=...	# size of extended memory
42
43options 	INSECURE	# disable kernel security levels
44
45options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
46#options 	NTP		# NTP phase/frequency locked loop
47
48#options 	KTRACE		# system call tracing via ktrace(1)
49
50#options 	SYSVSEM		# System V-like semaphores
51#options 	SYSVSHM		# System V-like memory sharing
52
53#options 	USERCONF	# userconf(4) support
54options 	PIPE_SOCKETPAIR		# smaller, but slower pipe(2)
55#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
56no options 	EXEC_AOUT	# we don't a.out support
57
58# Diagnostic/debugging support options
59#options 	DIAGNOSTIC	# inexpensive kernel consistency checks
60#options 	DEBUG		# expensive debugging checks/support
61#options 	DDB		# in-kernel debugger
62#options 	DDB_ONPANIC=1	# see also sysctl(7): `ddb.onpanic'
63#options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
64#options 	KGDB		# remote debugger
65#options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
66#makeoptions	DEBUG="-g"	# compile full symbol table
67
68# Compatibility options
69#options 	COMPAT_NOMID	# NetBSD 0.8, 386BSD, and BSDI
70#options 	COMPAT_09	# NetBSD 0.9,
71#options 	COMPAT_10	# NetBSD 1.0,
72#options 	COMPAT_11	# NetBSD 1.1,
73#options 	COMPAT_12	# NetBSD 1.2 (and 386BSD and BSDI),
74#options 	COMPAT_13	# NetBSD 1.3 (and 386BSD and BSDI),
75#options 	COMPAT_14	# NetBSD 1.4,
76#options 	COMPAT_15	# NetBSD 1.5,
77#options 	COMPAT_16	# NetBSD 1.6,
78#options 	COMPAT_20	# NetBSD 2.0,
79#options 	COMPAT_30	# NetBSD 3.0,
80#options 	COMPAT_40	# NetBSD 4.0,
81#options 	COMPAT_50	# NetBSD 5.0,
82#options 	COMPAT_60	# NetBSD 6.0, and
83#options 	COMPAT_70	# NetBSD 7.0 binary compatibility.
84#options 	COMPAT_43	# 4.3BSD, 386BSD, and BSDI compatibility.
85#options 	COMPAT_386BSD_MBRPART # recognize old partition ID
86#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
87
88#options 	COMPAT_SVR4	# binary compatibility with SVR4
89#options 	COMPAT_IBCS2	# binary compatibility with SCO and ISC
90#options 	COMPAT_LINUX	# binary compatibility with Linux
91#options 	COMPAT_FREEBSD	# binary compatibility with FreeBSD
92options 	COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.
93
94# File systems
95file-system	FFS		# UFS
96#file-system	EXT2FS		# second extended file system (linux)
97#file-system	LFS		# log-structured file system
98#file-system	MFS		# memory file system
99file-system	NFS		# Network File System client
100file-system	CD9660		# ISO 9660 + Rock Ridge file system
101file-system	MSDOSFS		# MS-DOS file system
102#file-system	FDESC		# /dev/fd
103#file-system	KERNFS		# /kern
104#file-system	NULLFS		# loopback file system
105#file-system	PROCFS		# /proc
106#file-system	UMAPFS		# NULLFS + uid and gid remapping
107#file-system	UNION		# union file system
108#file-system	PTYFS		# /dev/pts/N support
109#file-system	TMPFS		# Efficient memory file-system
110
111# Filesystem options
112#options 	QUOTA		# legacy UFS quotas
113#options 	QUOTA2		# new, in-filesystem UFS quotas
114#options 	DISKLABEL_EI	# disklabel Endian Independent support
115#options 	FFS_EI		# FFS Endian Independent support
116#options 	NFSSERVER	# Network File System server
117options 	NFS_V2_ONLY	# Exclude NFS3 code to save space
118options 	FFS_NO_SNAPSHOT	# No FFS snapshot support
119#options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
120				# immutable) behave as system flags.
121
122# Networking options
123#options 	GATEWAY		# packet forwarding
124options 	INET		# IP + ICMP + TCP + UDP
125#options 	MROUTING	# IP multicast routing
126#options 	PIM		# Protocol Independent Multicast
127#options 	NETATALK	# AppleTalk networking protocols
128#options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
129#options 	PPP_DEFLATE	# Deflate compression support for PPP
130#options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
131#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
132
133# These options enable verbose messages for several subsystems.
134# Warning, these may compile large string tables into the kernel!
135#options 	EISAVERBOSE	# verbose EISA device autoconfig messages
136#options 	PCIVERBOSE	# verbose PCI device autoconfig messages
137#options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
138#options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
139#options 	SCSIVERBOSE	# human readable SCSI error messages
140
141# Squeeze...
142options 	NVNODE=50
143options 	NBUF=20
144options 	BUFPAGES=20
145
146# Kernel root file system and dump configuration.
147config		netbsd	root on ? type ?
148#config		netbsd	root on sd0a type ffs
149#config		netbsd	root on ? type nfs
150
151#
152# wscons options
153#
154# builtin terminal emulations
155#options 	WSEMUL_SUN		# sun terminal emulation
156options 	WSEMUL_VT100		# VT100 / VT220 emulation
157# customization of console and kernel output - see dev/wscons/wsdisplayvar.h
158#options 	WSDISPLAY_CUSTOM_OUTPUT	# color customization from wsconsctl(8)
159#options 	WS_DEFAULT_FG=WSCOL_WHITE
160#options 	WS_DEFAULT_BG=WSCOL_BLACK
161#options 	WS_DEFAULT_COLATTR="(0)"
162#options 	WS_DEFAULT_MONOATTR="(0)"
163options 	WS_KERNEL_FG=WSCOL_GREEN
164#options 	WS_KERNEL_BG=WSCOL_BLACK
165#options 	WS_KERNEL_COLATTR=""
166#options 	WS_KERNEL_MONOATTR=""
167# customization of console border color
168#options 	WSDISPLAY_CUSTOM_BORDER	# border customization from wsconsctl(8)
169#options 	WSDISPLAY_BORDER_COLOR=WSCOL_BLUE	# default color
170# compatibility to other console drivers
171options 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
172options 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
173options 	WSDISPLAY_COMPAT_USL		# wsconscfg VT handling
174options 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
175# see dev/pckbport/wskbdmap_mfii.c for implemented layouts
176#options 	PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver
177#options 	UKBD_LAYOUT="(KB_DE | KB_NODEAD)"  # for ukbd driver
178# allocate a number of virtual screens at autoconfiguration time
179#options 	WSDISPLAY_DEFAULTSCREENS=4
180# use a large software cursor that doesn't blink
181options 	PCDISPLAY_SOFTCURSOR
182
183#
184# Device configuration
185#
186
187#apm0	at mainbus0			# Advanced power management
188
189
190# Basic Bus Support
191
192# PCI bus support
193#pci*	at mainbus? bus ?
194#pci*	at pchb? bus ?
195#pci*	at ppb? bus ?
196
197# PCI bridges
198#pchb*	at pci? dev ? function ?	# PCI-Host bridges
199#pceb*	at pci? dev ? function ?	# PCI-EISA bridges
200#pcib*	at pci? dev ? function ?	# PCI-ISA bridges
201#ppb*	at pci? dev ? function ?	# PCI-PCI bridges
202# XXX 'puc's aren't really bridges, but there's no better place for them here
203#puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
204
205# As well as 5 and 7, avoid irq 4 and 3 because we do not probe com* here
206options 	PCIC_ISA_INTR_ALLOC_MASK=0xff47
207
208# PCMCIA bus support
209pcmcia* at pcic? controller ? socket ?
210#pcmcia* at tcic? controller ? socket ?
211
212# ISA PCMCIA controllers
213pcic0	at isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
214pcic1	at isa? port 0x3e2 iomem 0xe0000 iosiz 0x4000
215
216# EISA bus support
217#eisa0	at mainbus?
218#eisa0	at pceb?
219
220# ISA bus support
221isa0	at mainbus?
222#isa0	at pceb?
223#isa0	at pcib?
224
225# ISA Plug-and-Play bus support
226#isapnp0 at isa?
227
228
229# Console Devices
230
231# wscons
232pckbc0		at isa?			# PC keyboard controller
233pckbd*		at pckbc?		# PC keyboard
234pcdisplay0	at isa?			# CGA, MDA, EGA, HGA
235wsdisplay*	at pcdisplay? console ?
236wskbd*		at pckbd? console ?
237#wsmouse*	at pms? mux 0
238
239# Serial Devices
240
241# PCI serial interfaces
242#com*	at puc? port ?			# 16x50s on "universal" comm boards
243#cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
244
245# ISA Plug-and-Play serial interfaces
246#com*	at isapnp?			# Modems and serial boards
247
248# PCMCIA serial interfaces
249#com*	at pcmcia? function ?		# Modems and serial cards
250
251# ISA serial interfaces
252#options 	COM_HAYESP		# adds Hayes ESP serial board support
253#com0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
254#com1	at isa? port 0x2f8 irq 3
255#com2	at isa? port 0x3e8 irq 5
256#com3	at isa? port 0x2e8 irq 9
257#ast0	at isa? port 0x1a0 irq 5	# AST 4-port serial cards
258#com*	at ast? slave ?
259#boca0	at isa? port 0x100 irq 5	# BOCA 8-port serial cards
260#com*	at boca? slave ?
261#rtfps0	at isa? port 0x1230 irq 10	# RT 4-port serial cards
262#com*	at rtfps? slave ?
263#cy0	at isa? iomem 0xd4000 irq 12	# Cyclades serial cards
264
265
266# Parallel Printer Interfaces
267
268# PCI parallel printer interfaces
269#lpt*	at puc? port ?			# || ports on "universal" comm boards
270
271# ISA parallel printer interfaces
272#lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
273#lpt1	at isa? port 0x278
274#lpt2	at isa? port 0x3bc
275
276# I2O devices
277#iop*	at pci? dev ? function ?	# I/O processor
278#iopsp*	at iop? tid ?			# SCSI/FC-AL ports
279#ld*	at iop? tid ?			# block devices
280#dpti*	at iop? tid 0			# DPT/Adaptec control interface
281
282# SCSI Controllers and Devices
283
284# PCI SCSI controllers
285#ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
286#bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
287#dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID
288#isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
289#mly*	at pci? dev ? function ?	# Mylex AcceleRAID and eXtremeRAID
290#siop*	at pci? dev ? function ?	# NCR 53c8xx SCSI
291
292# EISA SCSI controllers
293#ahb*	at eisa? slot ?			# Adaptec 174[02] SCSI
294#ahc*	at eisa? slot ?			# Adaptec 274x, aic7770 SCSI
295#bha*	at eisa? slot ?			# BusLogic 7xx SCSI
296#dpt*	at eisa? slot ?			# DPT SmartCache/SmartRAID
297#uha*	at eisa? slot ?			# UltraStor 24f SCSI
298
299# PCMCIA SCSI controllers
300#aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI
301
302# ISA Plug-and-Play SCSI controllers
303#aic*	at isapnp?			# Adaptec AHA-1520B
304
305# ISA SCSI controllers
306#aha0	at isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI
307#aha1	at isa? port 0x334 irq ? drq ?
308#ahc0	at isa? port ? irq ?		# Adaptec 284x SCSI
309#aic0	at isa? port 0x340 irq 11	# Adaptec 152[02] SCSI
310#bha0	at isa? port 0x330 irq ? drq ?	# BusLogic [457]4X SCSI
311#bha1	at isa? port 0x334 irq ? drq ?
312# The "nca" and "dpt" probes might give false hits or hang your machine.
313#dpt0	at isa? port 0x170 irq ? drq ?	# DPT SmartCache/SmartRAID
314#nca0	at isa? port 0x360 irq 15	# Port-mapped NCR 53C80 controller
315#nca1	at isa? iomem 0xd8000 irq 5	# Memory-mapped controller (T128, etc.)
316#sea0	at isa? iomem 0xc8000 irq 5	# Seagate/Future Domain SCSI
317#uha0	at isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI
318#uha1	at isa? port 0x340 irq ? drq ?
319#wds0	at isa? port 0x350 irq 15 drq 6	# WD7000 and TMC-7000 controllers
320#wds1	at isa? port 0x358 irq 11 drq 5
321
322# SCSI bus support
323#scsibus* at scsi?
324
325# SCSI devices
326#sd*	at scsibus? target ? lun ?	# SCSI disk drives
327#st*	at scsibus? target ? lun ?	# SCSI tape drives
328#cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
329#ch*	at scsibus? target ? lun ?	# SCSI autochangers
330#ss*	at scsibus? target ? lun ?	# SCSI scanners
331#uk*	at scsibus? target ? lun ?	# SCSI unknown
332
333
334# RAID controllers and devices
335#aac*	at pci? dev ? function ?	# Adaptec AAC family
336#cac*	at eisa? slot ?			# Compaq EISA array controllers
337#cac*	at pci? dev ? function ?	# Compaq PCI array controllers
338#ciss*	at pci? dev ? function ?	# HP Smart Array controllers
339#icp*	at pci? dev ? function ?	# ICP-Vortex GDT & Intel RAID
340#mlx*	at pci? dev ? function ?	# Mylex DAC960 & DEC SWXCR family
341#mlx*	at eisa? slot ?			# Mylex DAC960 & DEC SWXCR family
342#twe*	at pci? dev ? function ?	# 3ware Escalade RAID controllers
343
344#ld*	at aac? unit ?			# logical disk devices
345#ld*	at cac? unit ?
346#ld*	at icp? unit ?
347#ld*	at twe? unit ?
348#ld*	at mlx? unit ?
349
350#icpsp*	at icp? unit ?			# SCSI pass-through
351
352
353# IDE and related devices
354
355# PCMCIA IDE controllers
356wdc*	at pcmcia? function ?
357
358# ST506, ESDI, and ISA IDE controllers
359# Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
360# fall back to 16bits I/O if 32bits I/O are not functional).
361# Some controllers pass the initial 32bit test, but will fail later.
362wdc0	at isa? port 0x1f0 irq 14 flags 0x00
363wdc1	at isa? port 0x170 irq 15 flags 0x00
364
365# ATA (IDE) bus support
366atabus* at ata?
367
368# IDE drives
369wd*	at atabus? drive ?		# the drives themselves
370
371# ATAPI bus support
372atapibus* at atapi?
373
374# ATAPI devices
375cd*	at atapibus? drive ?		# ATAPI CD-ROM drives
376#sd*	at atapibus? drive ?		# ATAPI disk drives
377
378
379# Miscellaneous mass storage devices
380
381# ISA floppy
382fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
383#fdc1	at isa? port 0x370 irq ? drq ?
384fd*	at fdc? drive ?			# the drives themselves
385# some machines need you to do this instead of fd*
386#fd0	at fdc0 drive 0
387
388# ISA CD-ROM devices
389#mcd0	at isa? port 0x300 irq 10	# Mitsumi CD-ROM drives
390
391# ISA tape devices
392# note: the wt driver conflicts unpleasantly with ed devices at the
393# same I/O address. The probe reprograms their EEPROMs. Don't
394# uncomment it unless you are actually using it.
395#wt0	at isa? port 0x308 irq 5 drq 1	# Archive and Wangtek QIC tape drives
396
397
398# Network Interfaces
399
400# PCI network interfaces
401#en*	at pci? dev ? function ?	# ENI/Adaptec ATM
402#ep*	at pci? dev ? function ?	# 3Com 3c59x/3c90x Ethernet
403#fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
404#fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
405#le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
406#ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet
407#tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
408#tlp*	at pci? dev ? function ?	# DECchip 21x4x and clones
409
410# EISA network interfaces
411#ep*	at eisa? slot ?			# 3Com 3c579 Ethernet
412#fea*	at eisa? slot ?			# DEC DEFEA FDDI
413
414# ISA Plug-and-Play network interfaces
415#ep*	at isapnp?			# 3Com 3c509 Ethernet
416#ne*	at isapnp?			# NE2000-compatible Ethernet
417
418# PCMCIA network interfaces
419ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
420mbe*	at pcmcia? function ?		# MB8696x based Ethernet
421ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
422sm*	at pcmcia? function ?		# Megahertz Ethernet
423
424# ISA network interfaces
425ate0	at isa? port 0x2a0 irq ?		# AT1700
426ec0	at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
427#eg0	at isa? port 0x280 irq 9		# 3c505 Ethernet cards
428#el0	at isa? port 0x300 irq 9		# 3c501 Ethernet cards
429ep0	at isa? port ? irq ?			# 3c509 Ethernet cards
430#ef0	at isa? port 0x360 iomem 0xd0000 irq 7	# 3c507
431ai0	at isa? port 0x360 iomem 0xd0000 irq 7	# StarLAN
432fmv0	at isa? port 0x2a0 irq ?		# FMV-180 series
433ix0	at isa? port 0x300 irq 10		# EtherExpress/16
434iy0	at isa? port 0x360 irq ?		# EtherExpress PRO 10 ISA
435lc0	at isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
436#depca0	at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5	# DEPCA
437#le*	at depca?
438#nele0	at isa? port 0x320 irq 9 drq 7		# NE2100
439#le*	at nele?
440#bicc0	at isa? port 0x320 irq 10 drq 7		# BICC IsoLan
441#le*	at bicc?
442ne0	at isa? port 0x280 irq 9		# NE[12]000 Ethernet cards
443ne1	at isa? port 0x300 irq 10
444sm0	at isa? port 0x300 irq 10		# SMC91C9x Ethernet
445we0	at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
446we1	at isa? port 0x300 iomem 0xcc000 irq 10
447
448# MII bus support
449#mii*	at tl?
450
451# MII PHY network interfaces
452#tlphy*	at mii? dev ?			# ThunderLAN PHYs
453#nsphy*	at mii? dev ?			# NS and compatible PHYs
454#ukphy*	at mii? phy ?			# generic unknown PHYs
455
456
457# Audio Devices
458
459# ISA Plug-and-Play audio devices
460#guspnp* at isapnp?			# Gravis Ultra Sound PnP audio
461#sb*	at isapnp?			# SoundBlaster-compatible audio
462
463# ISA audio devices
464#gus0	at isa? port 0x220 irq 7 drq 1 drq2 6	# Gravis Ultra Sound
465#pas0	at isa? port 0x220 irq 7 drq 1		# ProAudio Spectrum
466#sb0	at isa? port 0x220 irq 7 drq 1 drq2 5	# SoundBlaster
467#wss0	at isa? port 0x530 irq 10 drq 0	drq2 1	# Windows Sound System
468
469# Audio support
470#audio*	at audiobus?
471
472# The spkr driver provides a simple tone interface to the built in speaker.
473#spkr*	at pcppi?		# PC speaker
474#spkr*	at audio?		# PC speaker (synthesized)
475
476
477# Joysticks
478
479# ISA Plug-and-Play joysticks
480#joy*	at isapnp?			# Game ports (usually on audio cards)
481
482# ISA joysticks. Probe is a little strange; add only if you have one.
483#joy0	at isa? port 0x201
484
485
486# Miscellaneous Devices
487
488# Planetconnect Satellite receiver driver.
489#satlink0 at isa? port 0x300 drq 1
490
491
492# Pull in optional local configuration
493cinclude "arch/i386/conf/INSTALL.local"
494
495
496# Pseudo-Devices
497
498# disk/mass storage pseudo-devices
499#pseudo-device	ccd			# concatenated/striped disk devices
500#pseudo-device	fss			# file system snapshot device
501pseudo-device	md			# memory disk device (ramdisk)
502#pseudo-device	vnd			# disk-like interface to files
503
504# network pseudo-devices
505#pseudo-device	bpfilter		# Berkeley packet filter
506#pseudo-device	ipfilter		# IP filter (firewall) and NAT
507pseudo-device	loop			# network loopback
508#pseudo-device	ppp			# Point-to-Point Protocol
509#pseudo-device	sl			# Serial Line IP
510#pseudo-device	strip			# Starmode Radio IP (Metricom)
511#pseudo-device	tun			# network tunneling over tty
512
513# miscellaneous pseudo-devices
514pseudo-device	pty			# pseudo-terminals
515options 	NO_DEV_PTM
516#options 	RND_COM			# use "com" randomness as well (BROKEN)
517