GENERIC_TINY revision 1.35
1#	$NetBSD: GENERIC_TINY,v 1.35 2002/04/12 08:11:02 gmcgarry Exp $
2#
3#	GENERIC_TINY -- suitable default for 4M machines
4#			No EISA, PCI, or SCSI.
5#
6
7include "arch/i386/conf/std.i386"
8
9makeoptions	COPTS="-Os"
10
11maxusers	8		# estimated number of users
12
13# CPU support.  At least one is REQUIRED.
14options 	I386_CPU
15options 	I486_CPU
16options 	I586_CPU
17options 	I686_CPU
18
19# CPU-related options.
20options 	MATH_EMULATE	# floating point emulation
21#options 	VM86		# virtual 8086 emulation
22#options 	USER_LDT	# user-settable LDT; used by WINE
23# eliminate delay no-ops in I/O; recommended on all but very old machines
24#options 	DUMMY_NOPS
25
26# Misc. i386-specific options
27#options 	XSERVER		# X server support in console drivers
28
29# This option allows you to force a serial console at the specified
30# I/O address.   see console(4) for details.
31#options 	CONSDEVNAME="\"com\""
32
33# The following options override the memory sizes passed in from the boot
34# block.  Use them *only* if the boot block is unable to determine the correct
35# values.  Note that the BIOS may *correctly* report less than 640k of base
36# memory if the extended BIOS data area is located at the top of base memory
37# (as is the case on most recent systems).
38#options 	REALBASEMEM=...	# size of base memory
39#options 	REALEXTMEM=...	# size of extended memory
40
41# Standard system options
42
43#options 	UCONSOLE	# users can use TIOCCONS (for xconsole)
44options 	INSECURE	# disable kernel security levels
45
46options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
47#options 	NTP		# NTP phase/frequency locked loop
48
49#options 	KTRACE		# system call tracing via ktrace(1)
50
51#options 	SYSVMSG		# System V-like message queues
52#options 	SYSVSEM		# System V-like semaphores
53#options 	SYSVSHM		# System V-like memory sharing
54#options 	SHMMAXPGS=1024	# 1024 pages is the default
55
56options 	NMBCLUSTERS=256
57
58#options 	LKM		# loadable kernel modules
59
60#options 	USERCONF	# userconf(4) support
61options		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
62
63# Diagnostic/debugging support options
64#options 	DIAGNOSTIC	# expensive kernel consistency checks
65#options 	DEBUG		# expensive debugging checks/support
66#options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
67#options 	DDB		# in-kernel debugger
68#options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
69#options 	KGDB		# remote debugger
70#options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
71#makeoptions	DEBUG="-g"	# compile full symbol table
72
73# Compatibility options
74#options 	COMPAT_NOMID	# compatibility with 386BSD, BSDI, NetBSD 0.8,
75#options 	COMPAT_09	# NetBSD 0.9,
76#options 	COMPAT_10	# NetBSD 1.0,
77#options 	COMPAT_11	# NetBSD 1.1,
78options 	COMPAT_12	# NetBSD 1.2,
79options 	COMPAT_13	# NetBSD 1.3,
80options 	COMPAT_14	# NetBSD 1.4,
81#options 	COMPAT_43	# and 4.3BSD
82options 	COMPAT_386BSD_MBRPART # recognize old partition ID
83#options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
84
85#options 	COMPAT_SVR4	# binary compatibility with SVR4
86#options 	COMPAT_IBCS2	# binary compatibility with SCO and ISC
87#options 	COMPAT_LINUX	# binary compatibility with Linux
88#options 	COMPAT_FREEBSD	# binary compatibility with FreeBSD
89
90# File systems
91file-system 	FFS		# UFS
92#file-system 	EXT2FS		# second extended file system (linux)
93#file-system 	LFS		# log-structured file system
94#file-system 	MFS		# memory file system
95file-system 	NFS		# Network File System client
96file-system 	CD9660		# ISO 9660 + Rock Ridge file system
97file-system 	MSDOSFS		# MS-DOS file system
98#file-system 	FDESC		# /dev/fd
99file-system 	KERNFS		# /kern
100#file-system 	NULLFS		# loopback file system
101#file-system 	PORTAL		# portal filesystem (still experimental)
102#file-system 	PROCFS		# /proc
103#file-system 	UMAPFS		# NULLFS + uid and gid remapping
104#file-system 	UNION		# union file system
105
106# File system options
107#options 	QUOTA		# UFS quotas
108#options 	FFS_EI		# FFS Endian Independant support
109#options 	NFSSERVER	# Network File System server
110#options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
111				# immutable) behave as system flags.
112options 	VNODE_OP_NOINLINE # don't inline vnode op calls
113
114# Networking options
115#options 	GATEWAY		# packet forwarding
116options 	INET		# IP + ICMP + TCP + UDP
117#options 	MROUTING	# IP multicast routing
118#options 	NS		# XNS
119#options 	NSIP		# XNS tunneling over IP
120#options 	ISO,TPIP	# OSI
121#options 	EON		# OSI tunneling over IP
122#options 	CCITT,LLC,HDLC	# X.25
123#options 	NETATALK	# AppleTalk networking protocols
124#options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
125#options 	PPP_DEFLATE	# Deflate compression support for PPP
126#options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
127#options 	PFIL_HOOKS	# pfil(9) packet filter hooks
128#options 	IPFILTER_LOG	# ipmon(8) log support
129#options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
130
131# These options enable verbose messages for several subsystems.
132# Warning, these may compile large string tables into the kernel!
133#options 	EISAVERBOSE	# verbose EISA device autoconfig messages
134#options 	PCIVERBOSE	# verbose PCI device autoconfig messages
135#options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
136#options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
137#options 	SCSIVERBOSE	# human readable SCSI error messages
138#options 	USBVERBOSE	# verbose USB device autoconfig messages
139
140#options 	NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM
141
142# Kernel root file system and dump configuration.
143config		netbsd	root on ? type ?
144#config		netbsd	root on sd0a type ffs
145#config		netbsd	root on ? type nfs
146
147#
148# wscons options
149#
150# builtin terminal emulations
151#options 	WSEMUL_SUN		# sun terminal emulation
152options 	WSEMUL_VT100		# VT100 / VT220 emulation
153# different kernel output - see dev/wscons/wsdisplayvar.h
154options 	WS_KERNEL_FG=WSCOL_GREEN
155#options 	WS_KERNEL_BG=WSCOL_BLACK
156# compatibility to other console drivers
157options 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
158options 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
159options 	WSDISPLAY_COMPAT_USL		# VT handling
160options 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
161# see dev/pckbc/wskbdmap_mfii.c for implemented layouts
162#options 	PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
163# allocate a number of virtual screens at autoconfiguration time
164#options 	WSDISPLAY_DEFAULTSCREENS=4
165# use a large software cursor that doesn't blink
166options 	PCDISPLAY_SOFTCURSOR
167
168#
169# Device configuration
170#
171
172mainbus0 at root
173
174#apm0	at mainbus0			# Advanced power management
175
176
177# Basic Bus Support
178
179# PCI bus support
180#pci*	at mainbus? bus ?
181#pci*	at pchb? bus ?
182#pci*	at ppb? bus ?
183
184# PCI bridges
185#pchb*	at pci? dev ? function ?	# PCI-Host bridges
186#pceb*	at pci? dev ? function ?	# PCI-EISA bridges
187#pcib*	at pci? dev ? function ?	# PCI-ISA bridges
188#ppb*	at pci? dev ? function ?	# PCI-PCI bridges
189# XXX 'puc's aren't really bridges, but there's no better place for them here
190#puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
191
192# EISA bus support
193#eisa0	at mainbus?
194#eisa0	at pceb?
195
196# ISA bus support
197isa0	at mainbus?
198#isa0	at pceb?
199#isa0	at pcib?
200
201# PCMCIA bus support
202pcmcia*	at pcic? controller ? socket ?
203
204# ISA PCMCIA controllers
205pcic0	at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000
206pcic1	at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000
207
208# ISA Plug-and-Play bus support
209#isapnp0	at isa?
210
211# ISA Plug-and-Play PCMCIA controllers
212#pcic*	at isapnp?
213
214# Coprocessor Support
215
216# Math Coprocessor support
217npx0	at isa? port 0xf0 irq 13	# x86 math coprocessor
218
219# Console Devices
220
221# ISA console
222#pc0	at isa? port 0x60 irq 1		# pccons generic PC console driver
223
224# wscons
225pckbc0 		at isa?			# pc keyboard controller
226pckbd* 		at pckbc?		# PC keyboard
227# "opms" should not be enabled together with "pms" or "pmsi"
228#pms*		at pckbc?		# PS/2 mouse for wsmouse
229#pmsi*		at pckbc?		# PS/2 "Intelli"mouse for wsmouse
230#opms*		at pckbc?		# backwards compatible PS/2 mouse
231vga0		at isa?
232#vga*		at pci? dev ? function ?
233pcdisplay0 	at isa?			# CGA, MDA, EGA, HGA
234wsdisplay*	at vga? console ?
235wsdisplay* 	at pcdisplay? console ?
236wskbd* 		at pckbd? console ?
237#wsmouse*	at pms? mux 0
238#wsmouse*	at pmsi? mux 0
239
240
241#pcppi0	at isa?
242#sysbeep0	at pcppi?
243
244# Serial Devices
245
246# PCI serial interfaces
247#com*	at puc? port ?			# 16x50s on "universal" comm boards
248#cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
249
250# ISA Plug-and-Play serial interfaces
251#com*	at isapnp?			# Modems and serial boards
252
253# PCMCIA serial interfaces
254com*	at pcmcia? function ?		# Modems and serial cards
255
256# ISA serial interfaces
257#options 	COM_HAYESP		# adds Hayes ESP serial board support
258com0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
259com1	at isa? port 0x2f8 irq 3
260com2	at isa? port 0x3e8 irq 5
261#com3	at isa? port 0x2e8 irq 9
262#ast0	at isa? port 0x1a0 irq 5	# AST 4-port serial cards
263#com*	at ast? slave ?
264#boca0	at isa? port 0x100 irq 5	# BOCA 8-port serial cards
265#com*	at boca? slave ?
266#rtfps0	at isa? port 0x1230 irq 10	# RT 4-port serial cards
267#com*	at rtfps? slave ?
268#cy0	at isa? iomem 0xd4000 irq 12	# Cyclades serial cards
269
270
271# Parallel Printer Interfaces
272
273# PCI parallel printer interfaces
274#lpt*	at puc? port ?			# || ports on "universal" comm boards
275
276# ISA parallel printer interfaces
277lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
278#lpt1	at isa? port 0x278
279#lpt2	at isa? port 0x3bc
280
281
282# SCSI Controllers and Devices
283
284# PCI SCSI controllers
285#ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
286#dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID
287#bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
288#isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
289#siop*	at pci? dev ? function ?	# NCR 53c8xx SCSI
290
291# EISA SCSI controllers
292#ahb*	at eisa? slot ?			# Adaptec 174[02] SCSI
293#ahc*	at eisa? slot ?			# Adaptec 274x, aic7770 SCSI
294#bha*	at eisa? slot ?			# BusLogic 7xx SCSI
295#dpt*	at eisa? slot ?			# DPT SmartCache/SmartRAID
296#uha*	at eisa? slot ?			# UltraStor 24f SCSI
297
298# PCMCIA SCSI controllers
299#aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI
300
301# ISA Plug-and-Play SCSI controllers
302#aic*	at isapnp?			# Adaptec AHA-1520B
303
304# ISA SCSI controllers
305#aha0	at isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI
306#aha1	at isa? port 0x334 irq ? drq ?
307#ahc0	at isa? port ? irq ?		# Adaptec 284x SCSI
308#aic0	at isa? port 0x340 irq 11	# Adaptec 152[02] SCSI
309#bha0	at isa? port 0x330 irq ? drq ?	# BusLogic [457]4X SCSI
310#bha1	at isa? port 0x334 irq ? drq ?
311#sea0	at isa? iomem 0xc8000 irq 5	# Seagate/Future Domain SCSI
312#uha0	at isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI
313#uha1	at isa? port 0x340 irq ? drq ?
314#wds0	at isa? port 0x350 irq 15 drq 6	# WD7000 and TMC-7000 controllers
315#wds1	at isa? port 0x358 irq 11 drq 5
316
317# SCSI bus support
318#scsibus* at aha?
319#scsibus* at ahb?
320#scsibus* at ahc?
321#scsibus* at aic?
322#scsibus* at bha?
323#scsibus* at dpt?
324#scsibus* at isp?
325#scsibus* at sea?
326#scsibus* at siop?
327#scsibus* at uha?
328#scsibus* at wds?
329
330# SCSI devices
331#sd*	at scsibus? target ? lun ?	# SCSI disk drives
332#st*	at scsibus? target ? lun ?	# SCSI tape drives
333#cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
334#ch*	at scsibus? target ? lun ?	# SCSI autochangers
335#ss*	at scsibus? target ? lun ?	# SCSI scanners
336#uk*	at scsibus? target ? lun ?	# SCSI unknown
337
338
339# IDE and related devices
340
341# ISA Plug-and-Play IDE controllers
342#wdc*	at isapnp?
343
344# PCMCIA IDE controllers
345wdc*	at pcmcia? function ?
346
347# ISA IDE controllers
348wdc0	at isa? port 0x1f0 irq 14	# ST506, ESDI, and IDE controllers
349wdc1	at isa? port 0x170 irq 15
350
351# IDE drives
352wd*	at wdc? drive ?			# the drives themselves
353
354# ATAPI bus support
355atapibus* at wdc?
356
357# ATAPI devices
358cd*	at atapibus? drive ?		# ATAPI CD-ROM drives
359sd*	at atapibus? drive ?		# ATAPI disk drives
360
361
362# Miscellaneous mass storage devices
363
364# ISA floppy
365fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
366#fdc1	at isa? port 0x370 irq ? drq ?
367fd*	at fdc? drive ?			# the drives themselves
368# some machines need you to do this instead of fd*
369#fd0	at fdc0 drive 0
370
371# ISA CD-ROM devices
372#mcd0	at isa? port 0x300 irq 10	# Mitsumi CD-ROM drives
373
374# ISA tape devices
375# note: the wt driver conflicts unpleasantly with SMC boards at the
376# same I/O address. The probe reprograms their EEPROMs. Don't
377# uncomment it unless you are actually using it.
378#wt0	at isa? port 0x308 irq 5 drq 1	# Archive and Wangtek QIC tape drives
379
380
381# Network Interfaces
382
383# PCI network interfaces
384#de*	at pci? dev ? function ?	# DEC 21x4x-based Ethernet
385#en*	at pci? dev ? function ?	# ENI/Adaptec ATM
386#ep*	at pci? dev ? function ?	# 3Com 3c59x/3c90x Ethernet
387#epic*	at pci? dev ? function ?	# SMC EPIC/100 Ethernet
388#esh*	at pci? dev ? function ?	# Essential HIPPI card
389#fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
390#fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
391#le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
392#ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet
393#tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
394
395# EISA network interfaces
396#ep*	at eisa? slot ?			# 3Com 3c579 Ethernet
397#fea*	at eisa? slot ?			# DEC DEFEA FDDI
398
399# ISA Plug-and-Play network interfaces
400#ep*	at isapnp?			# 3Com 3c509 Ethernet
401#ne*	at isapnp?			# NE2000-compatible Ethernet
402
403# PCMCIA network interfaces
404ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
405mbe*	at pcmcia? function ?		# MB8696x based Ethernet
406ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
407sm*	at pcmcia? function ?		# Megahertz Ethernet
408
409# ISA network interfaces
410ate0	at isa? port 0x2a0 irq ?		# AT1700
411ec0	at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
412eg0	at isa? port 0x280 irq 9		# 3C505 ethernet cards
413el0	at isa? port 0x300 irq 9		# 3C501 ethernet cards
414ep0	at isa? port ? irq ?			# 3C509 ethernet cards
415ef0	at isa? port 0x360 iomem 0xd0000 irq 7	# 3C507
416ai0	at isa? port 0x360 iomem 0xd0000 irq 7	# StarLAN
417fmv0	at isa? port 0x2a0 irq ?		# FMV-180 series
418ix0	at isa? port 0x300 irq 10		# EtherExpress/16
419iy0	at isa? port 0x360 irq ?		# EtherExpress PRO 10 ISA
420lc0	at isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
421#depca0	at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5	# DEPCA
422#le*	at depca?
423nele0	at isa? port 0x320 irq 9 drq 7		# NE2100
424le*	at nele?
425bicc0	at isa? port 0x320 irq 10 drq 7		# BICC IsoLan
426le*	at bicc?
427ne0	at isa? port 0x280 irq 9		# NE[12]000 ethernet cards
428ne1	at isa? port 0x300 irq 10
429sm0	at isa? port 0x300 irq 10		# SMC91C9x Ethernet
430we0	at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
431we1	at isa? port 0x300 iomem 0xcc000 irq 10
432
433# MII bus support
434#mii*	at tl?
435
436# MII PHY network interfaces
437#tlphy*	at mii? dev ?			# ThunderLAN PHYs
438#nsphy*	at mii? dev ?			# NS and compatible PHYs
439
440
441# USB Controller and Devices
442
443# PCI USB controllers
444#uhci*	at pci?				# Universal Host Controller (Intel)
445#ohci*	at pci?				# Open Host Controller
446
447# USB bus support
448#usb*	at uhci?
449#usb*	at ohci?
450
451# USB Hubs
452#uhub*	at usb?
453#uhub*	at uhub? port ?
454
455# USB Mice
456#ums*	at uhub? port ?
457
458# USB Keyboards
459#ukbd*	at uhub? port ?
460
461# USB Generic HID devices
462#uhid*	at uhub? port ?
463
464# USB Printer
465#ulpt*	at uhub? port ?
466
467# USB Mass Storage
468#umass*	at uhub? port ? configuration ? interface ?
469#atapibus* at umass? channel ?
470#scsibus* at umass? channel ?
471
472# USB Ethernet adapters
473#aue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
474#cue*	at uhub? port ?		# CATC USB-EL1201A based adapters
475#kue*	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
476
477# Y@P firmware loader
478#uyap* at uhub? port ?
479
480# USB Generic driver
481#ugen*	at uhub? port ?
482
483# Audio Devices
484
485# PCI audio devices
486#eap*	at pci? dev ? function ?	# Ensoniq AudioPCI
487
488# ISA Plug-and-Play audio devices
489#guspnp*	at isapnp?			# Gravis Ultra Sound PnP audio
490#sb*	at isapnp?			# SoundBlaster-compatible audio
491#ym*	at isapnp?			# Yamaha OPL3-SA3 audio
492
493# ISA audio devices
494#aria0	at isa? port 0x290 irq 10 		# Aria
495#gus0	at isa? port 0x220 irq 7 drq 1 drq2 6	# Gravis Ultra Sound
496#pas0	at isa? port 0x220 irq 7 drq 1		# ProAudio Spectrum
497#pss0	at isa? port 0x220 irq 7 drq 6		# Personal Sound System
498#sp0	at pss0 port 0x530 irq 10 drq 0		# 	sound port driver
499#sb0	at isa? port 0x220 irq 5 drq 1 drq2 5	# SoundBlaster
500#wss0	at isa? port 0x530 irq 10 drq 0	drq2 1	# Windows Sound System
501
502# Audio support
503#audio*	at aria?
504#audio*	at eap?
505#audio*	at gus?
506#audio*	at guspnp?
507#audio*	at pas?
508#audio*	at sb?
509#audio*	at sp?
510#audio*	at wss?
511#audio*	at ym?
512
513# The spkr driver provides a simple tone interface to the built in speaker.
514#spkr0	at pcppi?		# PC speaker
515
516
517# Mice
518
519# ISA busmice
520#olms0	at isa? port 0x23c irq 5	# Logitech bus mouse
521#olms1	at isa? port 0x238 irq 5
522#omms0	at isa? port 0x23c irq 5	# Microsoft InPort mouse
523#omms1	at isa? port 0x238 irq 5
524#opms0	at pc? irq 12		# PS/2 auxiliary port mouse
525
526
527# Joysticks
528
529# ISA Plug-and-Play joysticks
530#joy*	at isapnp?			# Game ports (usually on audio cards)
531
532# ISA joysticks. Probe is a little strange; add only if you have one.
533#joy0	at isa? port 0x201
534
535
536# Miscellaneous Devices
537
538# Planetconnect Satellite receiver driver.
539#satlink0 at isa? port 0x300 drq 1
540
541
542# Pull in optional local configuration
543include	"arch/i386/conf/GENERIC.local"
544
545
546# Pseudo-Devices
547
548# disk/mass storage pseudo-devices
549#pseudo-device	ccd		4	# concatenated/striped disk devices
550#pseudo-device	md		1	# memory disk device (ramdisk)
551pseudo-device	vnd		4	# disk-like interface to files
552
553# network pseudo-devices
554pseudo-device	bpfilter	8	# Berkeley packet filter
555pseudo-device	bridge			# simple inter-network bridging
556pseudo-device	ipfilter		# IP filter (firewall) and NAT
557pseudo-device	loop			# network loopback
558pseudo-device	ppp		2	# Point-to-Point Protocol
559pseudo-device	pppoe			# PPP over Ethernet (RFC 2516)
560#pseudo-device	sl		2	# Serial Line IP
561#pseudo-device	strip		2	# Starmode Radio IP (Metricom)
562pseudo-device	tun		2	# network tunneling over tty
563
564# miscellaneous pseudo-devices
565pseudo-device	pty			# pseudo-terminals
566#pseudo-device	tb		1	# tablet line discipline
567pseudo-device	rnd			# /dev/random and in-kernel generator
568#options 	RND_COM			# use "com" randomness as well (BROKEN)
569