INSTALL_TINY revision 1.119
1#	$NetBSD: INSTALL_TINY,v 1.119 2008/04/30 15:29:11 ad 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
16
17# Enable the hooks used for initializing the root memory-disk.
18options 	MEMORY_DISK_HOOKS
19options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
20options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
21options 	MEMORY_DISK_ROOT_SIZE=3100	# size of memory disk, in blocks
22
23maxusers	2		# estimated number of users
24
25# CPU-related options.
26#options 	VM86		# virtual 8086 emulation
27#options 	USER_LDT	# user-settable LDT; used by WINE
28# insert delay no-ops in interrupts; recommended on very old machines
29options 	PIC_DELAY
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# Save a physical page per process by not setting a kernel stack red zone.
36options 	NOREDZONE
37
38# The following options override the memory sizes passed in from the boot
39# block.  Use them *only* if the boot block is unable to determine the correct
40# values.  Note that the BIOS may *correctly* report less than 640k of base
41# memory if the extended BIOS data area is located at the top of base memory
42# (as is the case on most recent systems).
43#options 	REALBASEMEM=...	# size of base memory
44#options 	REALEXTMEM=...	# size of extended memory
45
46options 	INSECURE	# disable kernel security levels
47
48options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
49#options 	NTP		# NTP phase/frequency locked loop
50
51#options 	KTRACE		# system call tracing via ktrace(1)
52
53#options 	SYSVSEM		# System V-like semaphores
54#options 	SYSVSHM		# System V-like memory sharing
55#options 	SHMMAXPGS=2048	# 2048 pages is the default
56
57#options 	LKM		# loadable kernel modules
58
59#options 	USERCONF	# userconf(4) support
60options 	PIPE_SOCKETPAIR		# smaller, but slower pipe(2)
61#options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
62no options 	EXEC_AOUT	# we don't a.out support
63
64# Diagnostic/debugging support options
65#options 	DIAGNOSTIC	# expensive kernel consistency checks
66#options 	DEBUG		# expensive debugging checks/support
67#options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
68#options 	DDB		# in-kernel debugger
69#options 	DDB_ONPANIC=1	# see also sysctl(8): `ddb.onpanic'
70#options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
71#options 	KGDB		# remote debugger
72#options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
73#makeoptions 	DEBUG="-g"	# compile full symbol table
74
75# Compatibility options
76#options 	COMPAT_NOMID	# NetBSD 0.8, 386BSD, and BSDI
77#options 	COMPAT_09	# NetBSD 0.9
78#options 	COMPAT_10	# NetBSD 1.0
79#options 	COMPAT_11	# NetBSD 1.1
80#options 	COMPAT_12	# NetBSD 1.2, 386BSD, and BSDI
81#options 	COMPAT_13	# NetBSD 1.3, 386BSD, and BSDI
82#options 	COMPAT_14	# NetBSD 1.4
83#options 	COMPAT_15	# NetBSD 1.5
84#options 	COMPAT_16	# NetBSD 1.6
85#options 	COMPAT_20	# NetBSD 2.0
86#options 	COMPAT_30	# NetBSD 3.0 compatibility.
87#options 	COMPAT_40	# NetBSD 4.0
88#options 	COMPAT_43	# 4.3BSD, 386BSD, and BSDI
89#options 	COMPAT_386BSD_MBRPART # recognize old partition ID
90#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
91
92#options 	COMPAT_SVR4	# binary compatibility with SVR4
93#options 	COMPAT_IBCS2	# binary compatibility with SCO and ISC
94#options 	COMPAT_LINUX	# binary compatibility with Linux
95#options 	COMPAT_FREEBSD	# binary compatibility with FreeBSD
96options 	COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.
97
98# File systems
99file-system 	FFS		# UFS
100#file-system 	EXT2FS		# second extended file system (linux)
101#file-system 	LFS		# log-structured file system
102#file-system 	MFS		# memory file system
103file-system 	NFS		# Network File System client
104file-system 	CD9660		# ISO 9660 + Rock Ridge file system
105file-system 	MSDOSFS		# MS-DOS file system
106#file-system 	FDESC		# /dev/fd
107#file-system 	KERNFS		# /kern
108#file-system 	NULLFS		# loopback file system
109#file-system 	PORTAL		# portal filesystem (still experimental)
110#file-system 	PROCFS		# /proc
111#file-system 	UMAPFS		# NULLFS + uid and gid remapping
112#file-system 	UNION		# union file system
113#file-system 	PTYFS		# /dev/pts/N support
114#file-system 	TMPFS		# Efficient memory file-system
115
116# Filesystem options
117#options 	QUOTA		# UFS quotas
118#options 	NFSSERVER	# Network File System server
119options 	NFS_V2_ONLY	# Exclude NFS3 code to save space
120options 	FFS_NO_SNAPSHOT	# No FFS snapshot support
121#options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
122				# immutable) behave as system flags.
123
124# Networking options
125#options 	GATEWAY		# packet forwarding
126options 	INET		# IP + ICMP + TCP + UDP
127#options 	MROUTING	# IP multicast routing
128#options 	PIM		# Protocol Independent Multicast
129#options 	ISO,TPIP	# OSI
130#options 	EON		# OSI tunneling over IP
131#options 	NETATALK	# AppleTalk networking protocols
132#options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
133#options 	PPP_DEFLATE	# Deflate compression support for PPP
134#options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
135#options 	PFIL_HOOKS	# pfil(9) packet filter hooks
136#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
137
138# These options enable verbose messages for several subsystems.
139# Warning, these may compile large string tables into the kernel!
140#options 	EISAVERBOSE	# verbose EISA device autoconfig messages
141#options 	PCIVERBOSE	# verbose PCI device autoconfig messages
142#options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
143#options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
144#options 	SCSIVERBOSE	# human readable SCSI error messages
145
146# Squeeze...
147options 	NVNODE=50
148options 	NBUF=20
149options 	BUFPAGES=20
150options 	NMBCLUSTERS=64
151
152# Kernel root file system and dump configuration.
153config		netbsd	root on ? type ?
154#config		netbsd	root on sd0a type ffs
155#config		netbsd	root on ? type nfs
156
157#
158# wscons options
159#
160# builtin terminal emulations
161#options 	WSEMUL_SUN		# sun terminal emulation
162options 	WSEMUL_VT100		# VT100 / VT220 emulation
163# customization of console and kernel output - see dev/wscons/wsdisplayvar.h
164#options 	WSDISPLAY_CUSTOM_OUTPUT	# color customization from wsconsctl(8)
165#options 	WS_DEFAULT_FG=WSCOL_WHITE
166#options 	WS_DEFAULT_BG=WSCOL_BLACK
167#options 	WS_DEFAULT_COLATTR="(0)"
168#options 	WS_DEFAULT_MONOATTR="(0)"
169options 	WS_KERNEL_FG=WSCOL_GREEN
170#options 	WS_KERNEL_BG=WSCOL_BLACK
171#options 	WS_KERNEL_COLATTR=""
172#options 	WS_KERNEL_MONOATTR=""
173# customization of console border color
174#options 	WSDISPLAY_CUSTOM_BORDER	# border customization from wsconsctl(8)
175#options 	WSDISPLAY_BORDER_COLOR=WSCOL_BLUE	# default color
176# compatibility to other console drivers
177options 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
178options 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
179options 	WSDISPLAY_COMPAT_USL		# VT handling
180options 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
181# see dev/pckbport/wskbdmap_mfii.c for implemented layouts
182#options 	PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver
183#options 	UKBD_LAYOUT="(KB_DE | KB_NODEAD)"  # for ukbd driver
184# allocate a number of virtual screens at autoconfiguration time
185#options 	WSDISPLAY_DEFAULTSCREENS=4
186# use a large software cursor that doesn't blink
187options 	PCDISPLAY_SOFTCURSOR
188
189#
190# Device configuration
191#
192
193#apm0	at mainbus0			# Advanced power management
194
195
196# Basic Bus Support
197
198# PCI bus support
199#pci*	at mainbus? bus ?
200#pci*	at pchb? bus ?
201#pci*	at ppb? bus ?
202
203# PCI bridges
204#pchb*	at pci? dev ? function ?	# PCI-Host bridges
205#pceb*	at pci? dev ? function ?	# PCI-EISA bridges
206#pcib*	at pci? dev ? function ?	# PCI-ISA bridges
207#ppb*	at pci? dev ? function ?	# PCI-PCI bridges
208# XXX 'puc's aren't really bridges, but there's no better place for them here
209#puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
210
211# As well as 5 and 7, avoid irq 4 and 3 because we do not probe com* here
212options 	PCIC_ISA_INTR_ALLOC_MASK=0xff47
213
214# PCMCIA bus support
215pcmcia* at pcic? controller ? socket ?
216#pcmcia* at tcic? controller ? socket ?
217
218# ISA PCMCIA controllers
219pcic0	at isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
220pcic1	at isa? port 0x3e2 iomem 0xe0000 iosiz 0x4000
221
222# EISA bus support
223#eisa0	at mainbus?
224#eisa0	at pceb?
225
226# ISA bus support
227isa0	at mainbus?
228#isa0	at pceb?
229#isa0	at pcib?
230
231# ISA Plug-and-Play bus support
232#isapnp0	at isa?
233
234# Coprocessor Support
235
236# Math Coprocessor support
237npx0	at isa? port 0xf0 irq 13	# x86 math coprocessor
238
239
240# Console Devices
241
242# wscons
243pckbc0 		at isa?			# pc keyboard controller
244pckbd* 		at pckbc?		# PC keyboard
245pcdisplay0 	at isa?			# CGA, MDA, EGA, HGA
246wsdisplay* 	at pcdisplay? console ?
247wskbd* 		at pckbd? console ?
248#wsmouse*	at pms? mux 0
249
250# Serial Devices
251
252# PCI serial interfaces
253#com*	at puc? port ?			# 16x50s on "universal" comm boards
254#cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
255
256# ISA Plug-and-Play serial interfaces
257#com*	at isapnp?			# Modems and serial boards
258
259# PCMCIA serial interfaces
260#com*	at pcmcia? function ?		# Modems and serial cards
261
262# ISA serial interfaces
263#options 	COM_HAYESP		# adds Hayes ESP serial board support
264#com0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
265#com1	at isa? port 0x2f8 irq 3
266#com2	at isa? port 0x3e8 irq 5
267#com3	at isa? port 0x2e8 irq 9
268#ast0	at isa? port 0x1a0 irq 5	# AST 4-port serial cards
269#com*	at ast? slave ?
270#boca0	at isa? port 0x100 irq 5	# BOCA 8-port serial cards
271#com*	at boca? slave ?
272#rtfps0	at isa? port 0x1230 irq 10	# RT 4-port serial cards
273#com*	at rtfps? slave ?
274#cy0	at isa? iomem 0xd4000 irq 12	# Cyclades serial cards
275
276
277# Parallel Printer Interfaces
278
279# PCI parallel printer interfaces
280#lpt*	at puc? port ?			# || ports on "universal" comm boards
281
282# ISA parallel printer interfaces
283#lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
284#lpt1	at isa? port 0x278
285#lpt2	at isa? port 0x3bc
286
287# I2O devices
288#iop*	at pci? dev ? function ?	# I/O processor
289#iopsp*	at iop? tid ?			# SCSI/FC-AL ports
290#ld*	at iop? tid ?			# block devices
291#dpti*	at iop? tid 0			# DPT/Adaptec control interface
292
293# SCSI Controllers and Devices
294
295# PCI SCSI controllers
296#ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
297#bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
298#dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID
299#isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
300#mly*	at pci? dev ? function ?	# Mylex AcceleRAID and eXtremeRAID
301#siop*	at pci? dev ? function ?	# NCR 53c8xx SCSI
302
303# EISA SCSI controllers
304#ahb*	at eisa? slot ?			# Adaptec 174[02] SCSI
305#ahc*	at eisa? slot ?			# Adaptec 274x, aic7770 SCSI
306#bha*	at eisa? slot ?			# BusLogic 7xx SCSI
307#dpt*	at eisa? slot ?			# DPT SmartCache/SmartRAID
308#uha*	at eisa? slot ?			# UltraStor 24f SCSI
309
310# PCMCIA SCSI controllers
311#aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI
312
313# ISA Plug-and-Play SCSI controllers
314#aic*	at isapnp?			# Adaptec AHA-1520B
315
316# ISA SCSI controllers
317#aha0	at isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI
318#aha1	at isa? port 0x334 irq ? drq ?
319#ahc0	at isa? port ? irq ?		# Adaptec 284x SCSI
320#aic0	at isa? port 0x340 irq 11	# Adaptec 152[02] SCSI
321#bha0	at isa? port 0x330 irq ? drq ?	# BusLogic [457]4X SCSI
322#bha1	at isa? port 0x334 irq ? drq ?
323# The "nca" and "dpt" probes might give false hits or hang your machine.
324#dpt0	at isa? port 0x170 irq ? drq ?	# DPT SmartCache/SmartRAID
325#nca0	at isa? port 0x360 irq 15	# Port-mapped NCR 53C80 controller
326#nca1	at isa? iomem 0xd8000 irq 5	# Memory-mapped controller (T128, etc.)
327#sea0	at isa? iomem 0xc8000 irq 5	# Seagate/Future Domain SCSI
328#uha0	at isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI
329#uha1	at isa? port 0x340 irq ? drq ?
330#wds0	at isa? port 0x350 irq 15 drq 6	# WD7000 and TMC-7000 controllers
331#wds1	at isa? port 0x358 irq 11 drq 5
332
333# SCSI bus support
334#scsibus* at scsi?
335
336# SCSI devices
337#sd*	at scsibus? target ? lun ?	# SCSI disk drives
338#st*	at scsibus? target ? lun ?	# SCSI tape drives
339#cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
340#ch*	at scsibus? target ? lun ?	# SCSI autochangers
341#ss*	at scsibus? target ? lun ?	# SCSI scanners
342#uk*	at scsibus? target ? lun ?	# SCSI unknown
343
344
345# RAID controllers and devices
346#aac*	at pci? dev ? function ?	# Adaptec AAC family
347#cac*	at eisa? slot ?			# Compaq EISA array controllers
348#cac*	at pci? dev ? function ?	# Compaq PCI array controllers
349#ciss*	at pci? dev ? function ?	# HP Smart Array controllers
350#icp*	at pci? dev ? function ?	# ICP-Vortex GDT & Intel RAID
351#mlx*	at pci? dev ? function ?	# Mylex DAC960 & DEC SWXCR family
352#mlx*	at eisa? slot ?			# Mylex DAC960 & DEC SWXCR family
353#twe*	at pci? dev ? function ?	# 3ware Escalade RAID controllers
354
355#ld*	at aac? unit ?			# logical disk devices
356#ld*	at cac? unit ?
357#ld*	at icp? unit ?
358#ld*	at twe? unit ?
359#ld*	at mlx? unit ?
360
361#icpsp*	at icp? unit ?			# SCSI pass-through
362
363
364# IDE and related devices
365
366# PCMCIA IDE controllers
367wdc* 	at pcmcia? function ?
368
369# ST506, ESDI, and ISA IDE controllers
370# Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
371# fall back to 16bits I/O if 32bits I/O are not functional).
372# Some controllers pass the initial 32bit test, but will fail later.
373wdc0	at isa? port 0x1f0 irq 14 flags 0x00
374wdc1	at isa? port 0x170 irq 15 flags 0x00
375
376# ATA (IDE) bus support
377atabus* at ata?
378
379# IDE drives
380wd*	at atabus? drive ?		# the drives themselves
381
382# ATAPI bus support
383atapibus* at atapi?
384
385# ATAPI devices
386cd*	at atapibus? drive ?		# ATAPI CD-ROM drives
387#sd*	at atapibus? drive ?		# ATAPI disk drives
388
389
390# Miscellaneous mass storage devices
391
392# ISA floppy
393fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
394#fdc1	at isa? port 0x370 irq ? drq ?
395fd*	at fdc? drive ?			# the drives themselves
396# some machines need you to do this instead of fd*
397#fd0	at fdc0 drive 0
398
399# ISA CD-ROM devices
400#mcd0	at isa? port 0x300 irq 10	# Mitsumi CD-ROM drives
401
402# ISA tape devices
403# note: the wt driver conflicts unpleasantly with ed devices at the
404# same I/O address. The probe reprograms their EEPROMs. Don't
405# uncomment it unless you are actually using it.
406#wt0	at isa? port 0x308 irq 5 drq 1	# Archive and Wangtek QIC tape drives
407
408
409# Network Interfaces
410
411# PCI network interfaces
412#en*	at pci? dev ? function ?	# ENI/Adaptec ATM
413#ep*	at pci? dev ? function ?	# 3Com 3c59x/3c90x Ethernet
414#fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
415#fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
416#le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
417#ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet
418#tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
419#tlp*	at pci? dev ? function ?	# DECchip 21x4x and clones
420
421# EISA network interfaces
422#ep*	at eisa? slot ?			# 3Com 3c579 Ethernet
423#fea*	at eisa? slot ?			# DEC DEFEA FDDI
424
425# ISA Plug-and-Play network interfaces
426#ep*	at isapnp?			# 3Com 3c509 Ethernet
427#ne*	at isapnp?			# NE2000-compatible Ethernet
428
429# PCMCIA network interfaces
430ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
431mbe*	at pcmcia? function ?		# MB8696x based Ethernet
432ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
433sm*	at pcmcia? function ?		# Megahertz Ethernet
434
435# ISA network interfaces
436ate0	at isa? port 0x2a0 irq ?		# AT1700
437ec0	at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
438#eg0	at isa? port 0x280 irq 9		# 3C505 ethernet cards
439#el0	at isa? port 0x300 irq 9		# 3C501 ethernet cards
440ep0	at isa? port ? irq ?			# 3C509 ethernet cards
441#ef0	at isa? port 0x360 iomem 0xd0000 irq 7	# 3C507
442ai0	at isa? port 0x360 iomem 0xd0000 irq 7	# StarLAN
443fmv0	at isa? port 0x2a0 irq ?		# FMV-180 series
444ix0	at isa? port 0x300 irq 10		# EtherExpress/16
445iy0	at isa? port 0x360 irq ?		# EtherExpress PRO 10 ISA
446lc0	at isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
447#depca0	at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5	# DEPCA
448#le*	at depca?
449#nele0	at isa? port 0x320 irq 9 drq 7		# NE2100
450#le*	at nele?
451#bicc0	at isa? port 0x320 irq 10 drq 7		# BICC IsoLan
452#le*	at bicc?
453ne0	at isa? port 0x280 irq 9		# NE[12]000 ethernet cards
454ne1	at isa? port 0x300 irq 10
455sm0	at isa? port 0x300 irq 10		# SMC91C9x Ethernet
456we0	at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
457we1	at isa? port 0x300 iomem 0xcc000 irq 10
458
459# MII bus support
460#mii*	at tl?
461
462# MII PHY network interfaces
463#tlphy*	at mii? dev ?			# ThunderLAN PHYs
464#nsphy*	at mii? dev ?			# NS and compatible PHYs
465#ukphy*	at mii? phy ?			# generic unknown PHYs
466
467
468# Audio Devices
469
470# ISA Plug-and-Play audio devices
471#guspnp*	at isapnp?			# Gravis Ultra Sound PnP audio
472#sb*	at isapnp?			# SoundBlaster-compatible audio
473
474# ISA audio devices
475#gus0	at isa? port 0x220 irq 7 drq 1 drq2 6	# Gravis Ultra Sound
476#pas0	at isa? port 0x220 irq 7 drq 1		# ProAudio Spectrum
477#sb0	at isa? port 0x220 irq 7 drq 1 drq2 5	# SoundBlaster
478#wss0	at isa? port 0x530 irq 10 drq 0	drq2 1	# Windows Sound System
479
480# Audio support
481#audio*	at audiobus?
482
483# The spkr driver provides a simple tone interface to the built in speaker.
484#spkr0	at pcppi?		# PC speaker
485
486
487# Joysticks
488
489# ISA Plug-and-Play joysticks
490#joy*	at isapnp?			# Game ports (usually on audio cards)
491
492# ISA joysticks. Probe is a little strange; add only if you have one.
493#joy0	at isa? port 0x201
494
495
496# Miscellaneous Devices
497
498# Planetconnect Satellite receiver driver.
499#satlink0 at isa? port 0x300 drq 1
500
501
502# Pull in optional local configuration
503cinclude "arch/i386/conf/INSTALL.local"
504
505
506# Pseudo-Devices
507
508# disk/mass storage pseudo-devices
509#pseudo-device	ccd		4	# concatenated/striped disk devices
510#pseudo-device	fss		4	# file system snapshot device
511pseudo-device	md		1	# memory disk device (ramdisk)
512#pseudo-device	vnd			# disk-like interface to files
513
514# network pseudo-devices
515#pseudo-device	bpfilter		# Berkeley packet filter
516#pseudo-device	ipfilter		# IP filter (firewall) and NAT
517pseudo-device	loop			# network loopback
518#pseudo-device	ppp			# Point-to-Point Protocol
519#pseudo-device	sl			# Serial Line IP
520#pseudo-device	strip			# Starmode Radio IP (Metricom)
521#pseudo-device	tun			# network tunneling over tty
522
523# miscellaneous pseudo-devices
524pseudo-device	pty		2	# pseudo-terminals (Sysinst needs two)
525options 	NO_DEV_PTM
526#pseudo-device	rnd			# /dev/random and in-kernel generator
527#options 	RND_COM			# use "com" randomness as well (BROKEN)
528