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GENERIC revision 1.191.2.2
      1 # $NetBSD: GENERIC,v 1.191.2.2 2001/09/21 22:34:56 nathanw Exp $
      2 #
      3 # Generic Alpha kernel.  Enough to get booted, etc., but not much more.
      4 #
      5 # If you add stuff to this, please add it to the ALPHA configuration, too.
      6 
      7 include	"arch/alpha/conf/std.alpha"
      8 
      9 #ident 		"GENERIC-$Revision: 1.191.2.2 $"
     10 
     11 maxusers 32
     12 
     13 # CPU Support
     14 options 	DEC_2000_300	# "Jensen":	2000/300 (DECpc AXP 150)
     15 options 	DEC_2100_A50	# Avanti etc:	AlphaStation 400, 200, etc.
     16 options 	DEC_2100_A500	# Sable:	AlphaServer 2100
     17 options 	DEC_2100A_A500	# Lynx:		AlphaServer 2100A
     18 options 	DEC_3000_500	# Flamingo etc:	3000/[4-9]00*
     19 options 	DEC_3000_300	# Pelican etc:	3000/300*
     20 options 	DEC_AXPPCI_33	# NoName:	AXPpci33, etc.
     21 options 	DEC_EB164	# EB164:	AlphaPC 164
     22 options 	DEC_EB64PLUS	# EB64+:	AlphaPC 64, etc.
     23 options 	DEC_KN20AA	# KN20AA:	AlphaStation 500 and 600
     24 options 	DEC_KN8AE	# KN8AE:	AlphaServer 8200 and 8400
     25 options 	DEC_KN300	# KN300:	AlphaServer 4100 and 1200
     26 options 	DEC_550		# Miata:	Digital Personal Workstation
     27 options 	DEC_1000	# Mikasa etc:	Digital AlphaServer 1000
     28 options 	DEC_1000A	# Corelle etc:	Digital AlphaServer 800/1000A
     29 options 	DEC_ALPHABOOK1	# AlphaBook1:	Tadpole/DEC AlphaBook
     30 options 	DEC_EB66	# EB66:		21066 Evaluation Board
     31 options 	DEC_6600	# EV6:		264DP OEM Board
     32 options 	API_UP1000	# EV6:		Alpha Processor, Inc. UP1000
     33 
     34 # Standard system options
     35 options 	KTRACE			# System call tracing support
     36 options 	NTP			# kernel PLL for NTP
     37 
     38 # Diagnostic/debugging support options
     39 options 	DIAGNOSTIC		# Cheap kernel consistency checks
     40 options 	DDB			# kernel debugger
     41 #makeoptions	DEBUG="-g"
     42 #makeoptions	DEBUGLIST="pattern1 pattern2 ..."
     43 
     44 #options 	KGDB			# Remote kernel GDB support
     45 #options 	"KGDB_DEVNAME=\"com\""	# device to use for KGDB
     46 #options 	KGDB_DEVADDR=0x2f8	# at this address
     47 #options 	KGDB_DEVRATE=57600	# at this comm. rate
     48 
     49 # File systems
     50 file-system	FFS		# Fast file system
     51 file-system	MFS		# Memory-based file system
     52 file-system	CD9660		# ISO-9660 CD-ROM FS (w/RockRidge extensions)
     53 file-system	MSDOSFS		# MS-DOS-compatible file system
     54 file-system	NTFS		# Windows/NT file system (experimental)
     55 file-system	NFS		# Sun NFS-compatible file system client
     56 #file-system	KERNFS		# Kernel variable file system (/kern)
     57 #file-system	PROCFS		# Process file system (/proc)
     58 
     59 # File system options
     60 options 	NFSSERVER	# Sun NFS-compatible file system server
     61 #options 	FFS_EI		# FFS Endian Independant support
     62 options 	SOFTDEP		# FFS soft updates support.
     63 
     64 # Networking options
     65 options 	INET		# Internet protocol suite
     66 options 	INET6		# IPV6
     67 #options 	IPSEC		# IP security
     68 #options 	IPSEC_ESP	# IP security (encryption part; define w/IPSEC)
     69 #options 	IPSEC_DEBUG	# debug for IP security
     70 #options 	NETATALK	# AppleTalk protocol suite
     71 
     72 # 4.3BSD compatibility.  Should be optional, but necessary for now.
     73 options 	COMPAT_43
     74 
     75 # Binary compatibility with previous versions of NetBSD.
     76 #options 	COMPAT_09
     77 options 	COMPAT_10
     78 options 	COMPAT_11
     79 options 	COMPAT_12
     80 options 	COMPAT_13
     81 options 	COMPAT_14
     82 
     83 # OSF/1 binary compatibility
     84 options 	COMPAT_OSF1
     85 
     86 # Linux binary compatibility
     87 options 	COMPAT_LINUX
     88 
     89 # System V-like message queues
     90 options 	SYSVMSG
     91 #options	SEMMNI=10	# number of semaphore identifiers
     92 #options	SEMMNS=60	# number of semaphores in system
     93 #options	SEMUME=10	# max number of undo entries per process
     94 #options	SEMMNU=30	# number of undo structures in system
     95 
     96 # System V-like semaphores
     97 options 	SYSVSEM
     98 
     99 # System V-like shared memory
    100 options 	SYSVSHM
    101 #options 	SHMMAXPGS=1024		# 1024 pages is the default
    102 
    103 # Loadable Kernel Modules
    104 options 	LKM
    105 
    106 # Disable kernel security.
    107 #options 	INSECURE
    108 
    109 # Misc. options
    110 options 	EISAVERBOSE		# recognize "unknown" EISA devices
    111 options 	PCIVERBOSE		# recognize "unknown" PCI devices
    112 options 	MIIVERBOSE		# verbose PHY autoconfig messages
    113 #options 	PCI_CONFIG_DUMP		# verbosely dump PCI config space
    114 options 	SCSIVERBOSE		# Verbose SCSI errors
    115 options 	TCVERBOSE		# recognize "unknown" TC devices
    116 options 	UCONSOLE		# users can use TIOCCONS (for xconsole)
    117 #options 	PCMCIAVERBOSE
    118 
    119 # The Alpha console firmware network boots using the BOOTP
    120 # protocol, so we ask the NFS code to use BOOTP/DHCP as well,
    121 # in case we have NFS root.
    122 options 	NFS_BOOT_DHCP		# superset of BOOTP
    123 
    124 # WS console uses SUN or VT100 terminal emulation
    125 options 	WSEMUL_VT100
    126 
    127 # realtime clock compatible to OSF/1
    128 #options 	CLOCK_COMPAT_OSF1
    129 
    130 config		netbsd	root on ? type ?
    131 #config		netbsd	root on sd0 type ffs
    132 #config		netbsd	root on ? type nfs
    133 
    134 mainbus0 at	root
    135 cpu*	at	mainbus0
    136 
    137 # TurboLaser bus support and devices
    138 tlsb*	at	mainbus0
    139 gbus*	at	tlsb? node ? offset ?
    140 tlsbmem* at	tlsb? node ? offset ?
    141 kft*	at	tlsb? node ? offset ?
    142 
    143 # Gbus Devices
    144 mcclock* at	gbus? offset ?
    145 
    146 # MCBUS bus support
    147 mcbus*	at	mainbus0
    148 mcmem*	at	mcbus? mid ?
    149 
    150 #i2c	at	mcbus?
    151 
    152 #EV6 Tsunami Core Logic
    153 
    154 tsc*	at	mainbus0
    155 
    156 # DECpc AXP150 (Jensen) internal bus support
    157 jensenio* at	mainbus0
    158 
    159 com*	at	jensenio? port ?
    160 lpt*	at	jensenio? port ?
    161 mcclock* at	jensenio? port ?
    162 pckbc*	at	jensenio? port ?
    163 
    164 # TURBOchannel host bus adapter support
    165 tcasic*	at	mainbus0
    166 
    167 # TURBOchannel bus support
    168 tc*	at	tcasic?
    169 
    170 # TURBOchannel devices
    171 ioasic*	at	tc? slot ? offset ?
    172 mcclock* at	ioasic? offset ?
    173 le*	at	ioasic? offset ?
    174 scc0	at	ioasic? offset ?
    175 scc1	at	ioasic? offset ?
    176 bba0	at	ioasic? offset ?
    177 audio*	at	bba?
    178 tcds*	at	tc? slot ? offset ?
    179 asc*	at	tcds? chip ?
    180 #cfb*	at	tc? slot ? offset ?
    181 #sfb*	at	tc? slot ? offset ?
    182 le*	at	tc? slot ? offset ?
    183 fta*	at	tc? slot ? offset ?		# DEC DEFTA FDDI cards
    184 
    185 # PCI host bus adapter support
    186 apecs*	at	mainbus?
    187 cia*	at	mainbus?
    188 irongate* at	mainbus?
    189 lca*	at	mainbus?
    190 dwlpx*	at	kft?
    191 mcpcia*	at	mcbus? mid ?
    192 tsp*	at	tsc?
    193 ttwoga*	at	mainbus?
    194 
    195 # Sable PCI and STDIO bus and devices
    196 ttwopci* at	ttwoga? hose ?
    197 sableio* at	ttwopci? bus ?
    198 com*	at	sableio? port ?
    199 lpt*	at	sableio? port ?
    200 pckbc*	at	sableio? port ?
    201 fdc*	at	sableio? port ?
    202 
    203 # PCI bus support
    204 pci*	at	apecs?
    205 pci*	at	cia?
    206 pci*	at	irongate?
    207 pci*	at	lca?
    208 pci*	at	ppb?
    209 pci*	at	dwlpx?
    210 pci*	at	mcpcia?
    211 pci*	at	tsp?
    212 pci*	at	ttwopci?
    213 
    214 # AGP support
    215 agp*	at	irongate?
    216 
    217 # PCI devices
    218 adv*	at	pci? dev ? function ?		# AdvanSys SCSI
    219 adw*	at	pci? dev ? function ?		# AdvanSys Wide SCSI
    220 #options 	ADW_WDTR_DISABLE		# 	disable WDTR
    221 #options 	ADW_SDTR_DISABLE		# 	disable SDTR
    222 #options 	ADW_TAGQ_DISABLE		# 	disable Tag Queuing
    223 ahc*	at	pci? dev ? function ?		# Adaptec [23]94x, aic78x0 SCSI
    224 bha*	at	pci? dev ? function ?		# BusLogic 9xx SCSI (untested)
    225 cac*	at	pci? dev ? function ?		# Compaq array controller (untested)
    226 cy*	at	pci? dev ? function ?		# Cyclades Cyclom-Y (untested)
    227 cz*	at	pci? dev ? function ?		# Cyclades-Z (untested)
    228 de*	at	pci? dev ? function ?		# 21x4x-based Ethernet
    229 dpt*	at	pci? dev ? function ?		# DPT SmartCache/SmartRAID
    230 eap*	at	pci? dev ? function ?		# Ensoniq AudioPCI
    231 en*	at	pci? dev ? function ?		# ENI PCI ATM (untested)
    232 ep*	at	pci? dev ? function ?		# 3COM 3c59x
    233 epic*	at	pci? dev ? function ?		# SMC EPIC/100 Ethernet
    234 eso*	at	pci? dev ? function ?		# ESS Solo-1 PCI AudioDrive
    235 ex*	at	pci? dev ? function ?		# 3COM 3c90x[BC] Ethernet
    236 fpa*	at	pci? dev ? function ?		# DEC DEFPA FDDI
    237 fxp*	at	pci? dev ? function ?		# Intel EEPRO 10+/100B
    238 gsip*	at	pci? dev ? function ?		# NS DP83820 Gigabit Ethernet
    239 iha*	at	pci? dev ? function ?		# Initio INIC-940/950 SCSI
    240 isp*	at	pci? dev ? function ?		# Qlogic ISP 10x0 SCSI
    241 le*	at	pci? dev ? function ?		# PCI LANCE Ethernet (untested)
    242 sf*	at	pci? dev ? function ?		# Adaptec AIC-6915 Ethernet
    243 siop*	at	pci? dev ? function ?		# Symbios 53c8xx SCSI
    244 mlx*	at	pci? dev ? function ?		# Mylex DAC960 / DEC SWXCR (untested)
    245 ne*	at	pci? dev ? function ?		# NE2000-compatible Ethernet
    246 ohci*	at	pci? dev ? function ?		# USB Open Host Controller
    247 pceb*	at	pci? dev ? function ?		# Intel PCI-EISA Bridges
    248 pciide*	at	pci? dev ? function ?		# PCI IDE controllers
    249 pcscp*	at	pci? dev ? function ?		# AMD Am53c974 PCscsi-PCI
    250 ppb*	at	pci? dev ? function ?		# PCI-PCI Bridges
    251 rtk*	at	pci? dev ? function ?		# RealTek 8129/8139 Ethernet
    252 sio*	at	pci? dev ? function ?		# Intel PCI-ISA Bridges
    253 sip*	at	pci? dev ? function ?		# SiS 900 Ethernet
    254 sv*	at	pci? dev ? function ?		# S3 SonicVibes
    255 tga*	at	pci? dev ? function ?		# DEC ZLXp-E[123] Graphics
    256 ti*	at	pci? dev ? function ?		# Alteon Tigon Gig-E
    257 tl*	at	pci? dev ? function ?		# TI ThunderLAN Ethernet
    258 tlp*	at	pci? dev ? function ?		# DECchip 21x4x and clones
    259 #options 	TLP_MATCH_21040
    260 #options 	TLP_MATCH_21041
    261 #options 	TLP_MATCH_21140
    262 #options 	TLP_MATCH_21142
    263 uhci*	at	pci? dev ? function ?		# USB Univ. Host Controller
    264 vga*	at	pci? dev ? function ?		# PCI VGA Graphics
    265 vr*	at	pci? dev ? function ?		# VIA Rhine Fast Ethernet
    266 yds*	at	pci? dev ? function ?		# Yamaha DS-1 PCI Audio
    267 
    268 audio*	at	eap?
    269 audio*	at	eso?
    270 audio*	at	sv?
    271 audio*	at	yds?
    272 
    273 opl*	at	eso?
    274 #opl*	at	sv?
    275 opl*	at	yds?
    276 
    277 mpu*	at	eso?
    278 mpu*	at	yds?
    279 
    280 # MII/PHY support
    281 exphy*	at mii? phy ?			# 3Com internal PHYs
    282 icsphy*	at mii? phy ?			# Integrated Circuit Systems ICS1890
    283 inphy*	at mii? phy ?			# Intel 82555 PHYs
    284 lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
    285 gphyter* at mii? phy ?			# NS83861 Gig-E PHY
    286 nsphy*	at mii? phy ?			# NS83840 PHYs
    287 qsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
    288 sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    289 tlphy*	at mii? phy ?			# ThunderLAN PHYs
    290 ukphy*	at mii? phy ?			# generic unknown PHYs
    291 
    292 # ISA/EISA bus support
    293 isa*	at	jensenio?
    294 eisa*	at	jensenio?
    295 isa*	at	pceb?
    296 eisa*	at	pceb?
    297 isa*	at	sio?
    298 #isapnp*	at	isa?
    299 
    300 # ISA devices
    301 mcclock* at	isa? port 0x70
    302 pckbc*	at	isa?				# PC keyboard controller
    303 pckbd*	at	pckbc?				# PC keyboard (kbd port)
    304 pms*	at	pckbc?				# PS/2-style mouse (aux port)
    305 pcppi*	at	isa?				# PC prog. periph. interface
    306 spkr0	at	pcppi?				# IBM BASIC emulation
    307 isabeep0 at	pcppi?				# "keyboard" beep
    308 midi*	at	pcppi?
    309 com*	at	isa? port 0x3f8 irq 4		# standard serial ports
    310 com*	at	isa? port 0x2f8 irq 3
    311 cs*	at	isa? port 0x300 iomem ? irq ? drq ? # CS8900 Ethernet
    312 ec0	at	isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
    313 ep*	at	isa? port ? irq ?		# 3COM 3c509 Ethernet
    314 #ep*	at	isapnp?
    315 #ix0	at	isa? port 0x300 irq 10		# EtherExpress/16
    316 #iy0	at	isa? port 0x360 irq ?		# EtherExpress PRO 10 ISA
    317 fdc0	at	isa? port 0x3f0 irq 6 drq 2	# floppy controller
    318 lc0	at	isa? port 0x300 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
    319 lc1	at	isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
    320 depca0	at	isa? port 0x300 iomem 0xd0000 iosiz 0x10000 irq 5 	# DEPCA
    321 depca1	at	isa? port 0x200 iomem 0xd8000 iosiz 0x8000 irq 10 	# DEPCA
    322 le*	at	depca?
    323 lpt*	at	isa? port 0x3bc irq 7		# standard parallel port
    324 vga*	at	isa?				# ISA (EISA: XXX) VGA
    325 wdc0	at	isa? port 0x1f0 irq 14		# ST506/ESDI/IDE controllers
    326 wdc1	at	isa? port 0x170 irq 15
    327 #wdc*	at	isapnp?
    328 we0     at 	isa? port 0x280 iomem 0xd0000 irq 9  # WD/SMC Ethernet
    329 we1     at 	isa? port 0x300 iomem 0xcc000 irq 10
    330 #wss*	at	isa? port 0x530 irq 9 drq 0	# Windows Sound System
    331 #wss*	at	isapnp?
    332 #audio*	at	wss?
    333 #midi*	at	wss?
    334 sb*	at	isa? port 0x220 irq 5 drq 1	# SoundBlaster
    335 #sb*	at	isapnp?
    336 audio*	at	sb?
    337 #adv*	at	isa? port ? irq ? drq ?		# AdvanSys APB-514[02]
    338 aha*	at	isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI
    339 aha*	at	isa? port 0x334 irq ? drq ?	# Adaptec 154[02] SCSI
    340 bha*	at	isa? port 0x330 irq ? drq ?	# BusLogic [57]4X SCSI (unt.)
    341 bha*	at	isa? port 0x334 irq ? drq ?	# BusLogic [57]4X SCSI (unt.)
    342 uha*	at	isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI (unt.)
    343 uha*	at	isa? port 0x334 irq ? drq ?	# UltraStor [13]4f SCSI (unt.)
    344 pcic0	at	isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
    345 pcic1	at	isa? port 0x3e2 iomem 0xcc000 iosiz 0x10000
    346 pcmcia*	at	pcic? controller ? socket ?
    347 
    348 # EISA devices
    349 ahb*	at	eisa? slot ?			# Adaptec 174[024] SCSI (unt.)
    350 ahc*	at	eisa? slot ?			# Adaptec 274x, aic7770 SCSI
    351 bha*	at	eisa? slot ?			# BusLogic 7xx SCSI
    352 ep*	at	eisa? slot ?			# 3COM 3c579 Ethernet (untested)
    353 fea*	at	eisa? slot ?			# DEC DEFEA FDDI
    354 mlx*	at	eisa? slot ?			# Mylex DAC960 / DEC SWXCR (untested)
    355 tlp*	at	eisa? slot ?			# DEC DE-425 Ethernet
    356 depca*	at	eisa? slot ?			# DEC DE-422 Ethernet
    357 le*	at	depca?
    358 uha*	at	eisa? slot ?			# UltraStor 24f SCSI (unt.)
    359 
    360 # PCMCIA device
    361 aic*	at	pcmcia? function ?		# Adaptec APA-1460 SCSI
    362 com*	at	pcmcia? function ?		# Modems and serial cards
    363 wdc*	at	pcmcia? function ?		# PCMCIA IDE controllers
    364 ep*	at	pcmcia? function ?		# 3Com 3c589 and 3c562 Eth.
    365 mbe*	at	pcmcia? function ?		# MB8696x based Ethernet
    366 ne*	at	pcmcia? function ?		# NE2000-compatible Eth.
    367 sm*	at	pcmcia? function ?		# Megahertz Ethernet
    368 ray*	at	pcmcia? function ?		# Raytheon Raylink (802.11)
    369 wi*	at	pcmcia? function ?		# Lucent WaveLAN/IEEE
    370 
    371 # SCSI bus support
    372 scsibus* at	adv?
    373 scsibus* at	adw?
    374 scsibus* at	aha?
    375 scsibus* at	ahb?
    376 scsibus* at	ahc?
    377 scsibus* at	aic?
    378 scsibus* at	asc?
    379 scsibus* at	bha?
    380 scsibus* at	dpt?
    381 scsibus* at	iha?
    382 scsibus* at	isp?
    383 scsibus* at	siop?
    384 scsibus* at	pcscp?
    385 scsibus* at	uha?
    386 
    387 # SCSI devices
    388 cd*	at	scsibus? target ? lun ?		# SCSI CD-ROM drives
    389 sd*	at	scsibus? target ? lun ?		# SCSI disk drives
    390 st*	at	scsibus? target ? lun ?		# SCSI tape drives
    391 
    392 # ST506/ESDI/IDE devices
    393 wd*	at	pciide? channel ?
    394 wd*	at	wdc? drive ?
    395 
    396 # ATAPI bus support
    397 atapibus* at	pciide? channel ?
    398 atapibus* at	wdc?
    399 
    400 # ATAPI devices
    401 sd*	at	atapibus? drive ?		# ATAPI disk devices
    402 cd*	at	atapibus? drive ?		# ATAPI CD-ROM devices
    403 
    404 # Floppy drives
    405 fd*	at	fdc? drive ?
    406 
    407 # Hardware RAID devices
    408 ld*	at	cac? unit ?
    409 ld*	at	mlx? unit ?
    410 
    411 # USB bus support
    412 usb*	at uhci?
    413 usb*	at ohci?
    414 
    415 # USB Hubs
    416 uhub*	at usb?
    417 uhub*	at uhub? port ? configuration ? interface ?
    418 
    419 # USB Mice
    420 ums*	at uhub? port ? configuration ? interface ?
    421 wsmouse*	at ums?
    422 
    423 # USB Keyboards
    424 ukbd*	at uhub? port ? configuration ? interface ?
    425 wskbd*	at ukbd? console ?
    426 
    427 # USB Generic HID devices
    428 uhid*	at uhub? port ? configuration ? interface ?
    429 
    430 # USB Printer
    431 ulpt*	at uhub? port ? configuration ? interface ?
    432 
    433 # USB Modem
    434 umodem*	at uhub? port ? configuration ?
    435 ucom*	at umodem?
    436 
    437 # USB Mass Storage
    438 umass*	at uhub? port ? configuration ? interface ?
    439 atapibus* at umass? channel ?
    440 scsibus* at umass? channel ?
    441 
    442 # USB Ethernet adapters
    443 aue*	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
    444 cue*	at uhub? port ?		# CATC USB-EL1201A based adapters
    445 kue*	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
    446 
    447 # Serial adapters
    448 # FTDI FT8U100AX serial adapter
    449 uftdi*	at uhub? port ?
    450 ucom*	at uftdi? portno ?
    451 
    452 # USB scanners
    453 uscanner* at uhub? port ?
    454 
    455 # Y@P firmware loader
    456 uyap* at uhub? port ?
    457 
    458 # USB Generic driver
    459 ugen*	at uhub? port ?
    460 
    461 # Workstation Console attachments
    462 #wsdisplay*	at	cfb?
    463 wsdisplay*	at	vga?
    464 #wsdisplay*	at	sfb?
    465 wsdisplay*	at	tga?
    466 wskbd*		at	pckbd?
    467 wsmouse*	at	pms?
    468 
    469 pseudo-device	bpfilter	16
    470 pseudo-device	ccd		4
    471 #pseudo-device	raid		4		# RAIDframe disk driver
    472 #options 	RAID_AUTOCONFIG      # auto-configuration of RAID components
    473 pseudo-device	ipfilter	1
    474 pseudo-device	loop		1
    475 pseudo-device	md		1
    476 pseudo-device	ppp		4
    477 pseudo-device	pty			# pseudo-terminals
    478 pseudo-device	sl		4
    479 pseudo-device	vnd		4
    480 #pseudo-device	gre		2	# generic L3 over IP tunnel
    481 pseudo-device	gif		4	# IPv[46] over IPv[46] tunnel (RFC1933)
    482 #pseudo-device	faith		1	# IPv[46] tcp relay translation i/f
    483 #pseudo-device	stf		1	# 6to4 IPv6 over IPv4 encapsulation
    484 pseudo-device	vlan			# IEEE 802.1q encapsulation
    485 pseudo-device	bridge			# simple inter-network bridging
    486 pseudo-device	sequencer	1	# MIDI sequencer
    487 pseudo-device	rnd			# /dev/random and in-kernel generator
    488 #options 	RND_COM			# use "com" randomness too
    489