GENERIC revision 1.211 1 # $NetBSD: GENERIC,v 1.211 1998/12/20 17:56:18 nathanw Exp $
2 #
3 # GENERIC -- everything that's currently supported
4 #
5
6 include "arch/i386/conf/std.i386"
7
8 maxusers 32 # estimated number of users
9
10 # CPU support. At least one is REQUIRED.
11 options I386_CPU
12 options I486_CPU
13 options I586_CPU
14 options I686_CPU
15
16 # CPU-related options.
17 options MATH_EMULATE # floating point emulation
18 #options VM86 # virtual 8086 emulation
19 options USER_LDT # user-settable LDT; used by WINE
20 # eliminate delay no-ops in I/O; recommended on all but very old machines
21 #options DUMMY_NOPS
22
23 # delay between "rebooting ..." message and hardware reset, in milliseconds
24 #options CPURESET_DELAY=2000
25
26 # Misc. i386-specific options
27 options XSERVER # X server support in console drivers
28 #options XSERVER_DDB # PF12 gets you into DDB when X is running
29
30 # This option allows you to force a serial console at the specified
31 # I/O address. see console(4) for details.
32 #options "CONSDEVNAME=\"com\"",CONADDR=0x2f8,CONSPEED=57600
33 # you don't want the option below ON iff you are using the
34 # serial console option of the new boot strap code.
35 #options CONS_OVERRIDE # Always use above! independent of boot info
36
37 # The following options override the memory sizes passed in from the boot
38 # block. Use them *only* if the boot block is unable to determine the correct
39 # values. Note that the BIOS may *correctly* report less than 640k of base
40 # memory if the extended BIOS data area is located at the top of base memory
41 # (as is the case on most recent systems).
42 #options REALBASEMEM=639 # size of base memory (in KB)
43 #options REALEXTMEM=15360 # size of extended memory (in KB)
44
45 # Standard system options
46
47 options UCONSOLE # users can use TIOCCONS (for xconsole)
48 options INSECURE # disable kernel security levels
49
50 options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT
51 #options NTP # NTP phase/frequency locked loop
52
53 options KTRACE # system call tracing via ktrace(1)
54
55 options SYSVMSG # System V-like message queues
56 options SYSVSEM # System V-like semaphores
57 options SYSVSHM # System V-like memory sharing
58 #options SHMMAXPGS=1024 # 1024 pages is the default
59
60 options LKM # loadable kernel modules
61
62 # Diagnostic/debugging support options
63 options DIAGNOSTIC # cheap kernel consistency checks
64 #options DEBUG # expensive debugging checks/support
65 #options KMEMSTATS # kernel memory statistics (vmstat -m)
66 options DDB # in-kernel debugger
67 #options DDB_HISTORY_SIZE=100 # enable history editing in DDB
68 #options KGDB # remote debugger
69 #options "KGDB_DEVNAME=\"com\"",KGDBADDR=0x3f8,KGDBRATE=9600
70 #makeoptions DEBUG="-g" # compile full symbol table
71
72 # Compatibility options
73 options COMPAT_NOMID # compatibility with 386BSD, BSDI, NetBSD 0.8,
74 options COMPAT_09 # NetBSD 0.9,
75 options COMPAT_10 # NetBSD 1.0,
76 options COMPAT_11 # NetBSD 1.1,
77 options COMPAT_12 # NetBSD 1.2,
78 options COMPAT_13 # NetBSD 1.3,
79 options COMPAT_43 # and 4.3BSD
80 options COMPAT_386BSD_MBRPART # recognize old partition ID
81
82 options COMPAT_SVR4 # binary compatibility with SVR4
83 options COMPAT_IBCS2 # binary compatibility with SCO and ISC
84 options COMPAT_LINUX # binary compatibility with Linux
85 options COMPAT_FREEBSD # binary compatibility with FreeBSD
86
87 # Executable format options
88 options EXEC_ELF32 # 32-bit ELF executables (SVR4, Linux)
89
90 # File systems
91 file-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
95 file-system NFS # Network File System client
96 file-system CD9660 # ISO 9660 + Rock Ridge file system
97 file-system MSDOSFS # MS-DOS file system
98 file-system FDESC # /dev/fd
99 file-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 file-system CODA # Coda File System; also needs vcoda (below)
106
107 # File system options
108 options QUOTA # UFS quotas
109 #options FFS_EI # FFS Endian Independant support
110 options NFSSERVER # Network File System server
111 #options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
112 # immutable) behave as system flags.
113
114 # Networking options
115 #options GATEWAY # packet forwarding
116 options 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
130 # Compatibility with 4.2BSD implementation of TCP/IP. Not recommended.
131 #options TCP_COMPAT_42
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 PCMCIAVERBOSE # verbose PCMCIA configuration messages
138 options SCSIVERBOSE # human readable SCSI error messages
139 options USBVERBOSE # verbose USB device autoconfig messages
140
141 options NFS_BOOT_BOOTP,NFS_BOOT_BOOTPARAM
142
143 # Kernel root file system and dump configuration.
144 config netbsd root on ? type ?
145 #config netbsd root on sd0a type ffs
146 #config netbsd root on ? type nfs
147
148 #
149 # Device configuration
150 #
151
152 mainbus0 at root
153
154 #apm0 at mainbus0 # Advanced power management
155
156
157 # Basic Bus Support
158
159 # PCI bus support
160 pci* at mainbus? bus ?
161 pci* at pchb? bus ?
162 pci* at ppb? bus ?
163
164 # PCI bridges
165 pchb* at pci? dev ? function ? # PCI-Host bridges
166 pceb* at pci? dev ? function ? # PCI-EISA bridges
167 pcib* at pci? dev ? function ? # PCI-ISA bridges
168 ppb* at pci? dev ? function ? # PCI-PCI bridges
169 # XXX 'puc's aren't really bridges, but there's no better place for them here
170 puc* at pci? dev ? function ? # PCI "universal" comm. cards
171
172 # EISA bus support
173 eisa* at mainbus?
174 eisa* at pceb?
175
176 # ISA bus support
177 isa* at mainbus?
178 isa* at pceb?
179 isa* at pcib?
180
181 # PCMCIA bus support
182 pcmcia* at pcic? controller ? socket ?
183
184 # ISA PCMCIA controllers
185 pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x4000
186 pcic1 at isa? port 0x3e2 iomem 0xd4000 iosiz 0x4000
187
188 # PCI PCMCIA controllers
189 pcic0 at pci? dev? function ?
190
191 # ISA Plug-and-Play bus support
192 isapnp0 at isa?
193
194 # ISA Plug-and-Play PCMCIA controllers
195 pcic* at isapnp?
196
197 # Coprocessor Support
198
199 # Math Coprocessor support
200 npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor
201
202
203 # Console Devices
204
205 # ISA console. You can only configure one of these!
206 pc0 at isa? port 0x60 irq 1 # pccons generic PC console driver
207 #vt0 at isa? port 0x60 irq 1 # PCVT console driver
208
209 # Keyboard layout configuration for pccons
210 #options FRENCH_KBD
211 #options FINNISH_KBD
212 #options GERMAN_KBD
213 #options NORWEGIAN_KBD
214
215 pcppi0 at isa?
216 sysbeep0 at pcppi?
217
218 # Serial Devices
219
220 # PCI serial interfaces
221 com* at puc? port ? # 16x450s on "universal" comm boards
222 cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards
223
224 # ISA Plug-and-Play serial interfaces
225 com* at isapnp? # Modems and serial boards
226
227 # PCMCIA serial interfaces
228 com* at pcmcia? function ? # Modems and serial cards
229
230 pcmcom* at pcmcia? function ? # PCMCIA multi-port serial cards
231 com* at pcmcom? slave ? # ...and the slave devices
232
233 # ISA serial interfaces
234 #options COM_HAYESP # adds Hayes ESP serial board support
235 com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports
236 com1 at isa? port 0x2f8 irq 3
237 com2 at isa? port 0x3e8 irq 5
238 #com3 at isa? port 0x2e8 irq 9
239 #ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards
240 #com* at ast? slave ?
241 #boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards
242 #com* at boca? slave ?
243 #tcom0 at isa? port 0x100 irq 7 # TC-800 8-port serial cards
244 #com* at tcom? slave ?
245 #rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards
246 #com* at rtfps? slave ?
247 #cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards
248
249
250 # Parallel Printer Interfaces
251
252 # PCI parallel printer interfaces
253 lpt* at puc? port ? # || ports on "universal" comm boards
254
255 # ISA parallel printer interfaces
256 lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports
257 lpt1 at isa? port 0x278
258 lpt2 at isa? port 0x3bc
259
260
261 # SCSI Controllers and Devices
262
263 # PCI SCSI controllers
264 adv* at pci? dev ? function ? # AdvanSys 1200[A,B], 9xx[U,UA] SCSI
265 adw* at pci? dev ? function ? # AdvanSys 9xxUW SCSI
266 ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI
267 bha* at pci? dev ? function ? # BusLogic 9xx SCSI
268 isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel
269 ncr* at pci? dev ? function ? # NCR 53c8xx SCSI
270
271 # EISA SCSI controllers
272 ahb* at eisa? slot ? # Adaptec 174[02] SCSI
273 ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI
274 bha* at eisa? slot ? # BusLogic 7xx SCSI
275 uha* at eisa? slot ? # UltraStor 24f SCSI
276
277 # PCMCIA SCSI controllers
278 aic* at pcmcia? function ? # Adaptec APA-1460 SCSI
279
280 # ISA Plug-and-Play SCSI controllers
281 aha* at isapnp? # Adaptec AHA-154[02
282 aic* at isapnp? # Adaptec AHA-1520B
283
284 # ISA SCSI controllers
285 aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI
286 aha1 at isa? port 0x334 irq ? drq ?
287 ahc0 at isa? port ? irq ? # Adaptec 284x SCSI
288 aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI
289 bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI
290 bha1 at isa? port 0x334 irq ? drq ?
291 nca0 at isa? port 0x360 irq 15 # Port-mapped NCR 53C80 contoller
292 nca1 at isa? iomem 0xd8000 irq 5 # Memory-mapped controller (T128, etc.)
293 sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI
294 uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI
295 uha1 at isa? port 0x340 irq ? drq ?
296 wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers
297 wds1 at isa? port 0x358 irq 11 drq 5
298
299 # SCSI bus support
300 scsibus* at adv?
301 scsibus* at adw?
302 scsibus* at aha?
303 scsibus* at ahb?
304 scsibus* at ahc?
305 scsibus* at aic?
306 scsibus* at bha?
307 scsibus* at isp?
308 scsibus* at nca?
309 scsibus* at ncr?
310 scsibus* at sea?
311 scsibus* at uha?
312 scsibus* at wds?
313
314 # SCSI devices
315 sd* at scsibus? target ? lun ? # SCSI disk drives
316 st* at scsibus? target ? lun ? # SCSI tape drives
317 cd* at scsibus? target ? lun ? # SCSI CD-ROM drives
318 ch* at scsibus? target ? lun ? # SCSI autochangers
319 ss* at scsibus? target ? lun ? # SCSI scanners
320 uk* at scsibus? target ? lun ? # SCSI unknown
321
322
323 # IDE and Related Devices
324 # PCI IDE controllers (CMD tech's PCI0640, Intel's PIIx, ...).
325 # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
326 # how to set up DMA modes for this chip. This may work, or may cause
327 # a machine hang with some controllers.
328 pciide* at pci ? dev ? function ? flags 0x0000
329
330 # ISA Plug-and-Play IDE controllers
331 wdc* at isapnp?
332
333 # PCMCIA IDE controllers
334 wdc* at pcmcia? function ?
335
336 # ISA ST506, ESDI, and IDE controllers
337 wdc0 at isa? port 0x1f0 irq 14
338 wdc1 at isa? port 0x170 irq 15
339
340 # IDE drives.
341 # Flags are used only with controlers that support DMA operations
342 # and mode settings (e.g. some pciide controllers)
343 # The first 4 bytes of the flags define the PIO mode to use, the
344 # second DMA mode and the third UltraDMA mode. For each group of 4 bytes,
345 # the 3 lower define the mode to use, and the last one must be 1 for the
346 # setting to be used. For DMA and UDMA, 0xf means 'disable'.
347 # 0x0fac means 'use PIO mode 4 DMA mode 2, disable UltraDMA'.
348 # 0x0000 means "use whatever the drive claims to support.
349 wd* at wdc? channel ? drive ? flags 0x0000
350 wd* at pciide? channel ? drive ? flags 0x0000
351
352 # ATAPI bus support
353 atapibus* at wdc? channel ?
354 atapibus* at pciide? channel ?
355
356 # ATAPI devices
357 # flags have the same meaning as for IDE drives.
358 cd* at atapibus? drive ? flags 0x0000 # ATAPI CD-ROM drives
359 sd* at atapibus? drive ? flags 0x0000 # ATAPI disk drives
360 uk* at atapibus? drive ? flags 0x0000 # ATAPI unknown
361
362
363 # Miscellaneous mass storage devices
364
365 # ISA floppy
366 fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers
367 #fdc1 at isa? port 0x370 irq ? drq ?
368 fd* at fdc? drive ? # the drives themselves
369 # some machines need you to do this instead of fd*
370 #fd0 at fdc0 drive 0
371
372 # ISA CD-ROM devices
373 #mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives
374
375 # ISA tape devices
376 # note: the wt driver conflicts unpleasantly with SMC boards at the
377 # same I/O address. The probe reprograms their EEPROMs. Don't
378 # uncomment it unless you are actually using it.
379 #wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives
380
381
382 # Network Interfaces
383
384 # PCI network interfaces
385 de* at pci? dev ? function ? # DEC 21x4x-based Ethernet
386 en* at pci? dev ? function ? # ENI/Adaptec ATM
387 ep* at pci? dev ? function ? # 3Com 3c59x
388 ex* at pci? dev ? function ? # 3Com 90x[B]
389 epic* at pci? dev ? function ? # SMC EPIC/100 Ethernet
390 esh* at pci? dev ? function ? # Essential HIPPI card
391 fpa* at pci? dev ? function ? # DEC DEFPA FDDI
392 fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B
393 le* at pci? dev ? function ? # PCnet-PCI Ethernet
394 ne* at pci? dev ? function ? # NE2000-compatible Ethernet
395 tl* at pci? dev ? function ? # ThunderLAN-based Ethernet
396
397 # EISA network interfaces
398 ep* at eisa? slot ? # 3Com 3c579 Ethernet
399 fea* at eisa? slot ? # DEC DEFEA FDDI
400
401 # ISA Plug-and-Play network interfaces
402 ep* at isapnp? # 3Com 3c509 Ethernet
403 ne* at isapnp? # NE2000-compatible Ethernet
404
405 # PCMCIA network interfaces
406 ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet
407 mbe* at pcmcia? function ? # MB8696x based Ethernet
408 ne* at pcmcia? function ? # NE2000-compatible Ethernet
409 sm* at pcmcia? function ? # Megahertz Ethernet
410
411 # ISA network interfaces
412 ate0 at isa? port 0x2a0 irq ? # AT1700
413 cs0 at isa? port 0x300 iomem ? irq ? drq ? # CS8900 Ethernet
414 ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
415 eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards
416 el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards
417 ep0 at isa? port ? irq ? # 3C509 ethernet cards
418 ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507
419 ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN
420 fmv0 at isa? port 0x2a0 irq ? # FMV-180 series
421 ix0 at isa? port 0x300 irq 10 # EtherExpress/16
422 iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA
423 lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC)
424 #depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA
425 #le* at depca?
426 nele0 at isa? port 0x320 irq 9 drq 7 # NE2100
427 le* at nele?
428 bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan
429 le* at bicc?
430 ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards
431 ne1 at isa? port 0x300 irq 10
432 sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet
433 we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet
434 we1 at isa? port 0x300 iomem 0xcc000 irq 10
435
436 # MII/PHY support
437 exphy* at mii? phy ? # 3Com internal PHYs
438 icsphy* at mii? phy ? # Integrated Circuit Systems ICS1890
439 inphy* at mii? phy ? # Intel 82555 PHYs
440 lxtphy* at mii? phy ? # Level One LXT-970 PHYs
441 nsphy* at mii? phy ? # NS83840 PHYs
442 qsphy* at mii? phy ? # Quality Semiconductor QS6612 PHYs
443 sqphy* at mii? phy ? # Seeq 80220/80221/80223 PHYs
444 tlphy* at mii? phy ? # ThunderLAN PHYs
445 ukphy* at mii? phy ? # generic unknown PHYs
446
447 # USB Controller and Devices
448
449 # PCI USB controllers
450 uhci* at pci? # Universal Host Controller (Intel)
451 ohci* at pci? # Open Host Controller
452
453 # USB bus support
454 usb* at uhci?
455 usb* at ohci?
456
457 # USB Hubs
458 uhub* at usb?
459 uhub* at uhub? port ? configuration ? interface ?
460
461 # USB Mice
462 ums* at uhub? port ? configuration ? interface ?
463 wsmouse* at ums?
464
465 # USB Keyboards
466 ukbd* at uhub? port ? configuration ? interface ?
467 wskbd* at ukbd? console ?
468
469 # USB Generic HID devices
470 uhid* at uhub? port ? configuration ? interface ?
471
472 # USB Printer
473 ulpt* at uhub? port ? configuration ? interface ?
474
475 # USB Generic driver
476 ugen* at uhub? port ? configuration ? interface ?
477
478 # Audio Devices
479
480 # PCI audio devices
481 eap* at pci? dev ? function ? # Ensoniq AudioPCI
482 sv* at pci? dev ? function ? # S3 SonicVibes
483
484 # ISA Plug-and-Play audio devices
485 ess* at isapnp? # ESS Tech ES1887, ES1888, ES888 audio
486 guspnp* at isapnp? # Gravis Ultra Sound PnP audio
487 sb* at isapnp? # SoundBlaster-compatible audio
488 wss* at isapnp? # Windows Sound System
489 ym* at isapnp? # Yamaha OPL3-SA3 audio
490
491 # ISA audio devices
492 aria0 at isa? port 0x290 irq 10 # Aria
493 gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound
494 pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
495 pss0 at isa? port 0x220 irq 7 drq 6 # Personal Sound System
496 sp0 at pss0 port 0x530 irq 10 drq 0 # sound port driver
497 sb0 at isa? port 0x220 irq 5 drq 1 drq2 5 # SoundBlaster
498 wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System
499
500 # OPL[23] FM syntheziers
501 #opl0 at isa? port 0x388 # use only if not attached to sound card
502 opl* at ess?
503 opl* at sb?
504 opl* at sv?
505
506 # USB Audio devices
507 #uaudio* at uhub? port ? configuration ? interface ?
508
509 # Audio support
510 audio* at aria?
511 audio* at eap?
512 audio* at ess?
513 audio* at gus?
514 audio* at guspnp?
515 audio* at pas?
516 audio* at sb?
517 audio* at sp?
518 audio* at sv?
519 #audio* at uaudio?
520 audio* at wss?
521 audio* at ym?
522
523 # MIDI support
524 midi* at pcppi? # MIDI interface to the PC speaker
525 midi* at sb? # SB MPU401 port
526 midi* at opl? # OPL FM synth
527
528 # The spkr driver provides a simple tone interface to the built in speaker.
529 #spkr0 at pcppi? # PC speaker
530
531
532 # Mice
533
534 # ISA busmice
535 lms0 at isa? port 0x23c irq 5 # Logitech bus mouse
536 lms1 at isa? port 0x238 irq 5
537 mms0 at isa? port 0x23c irq 5 # Microsoft InPort mouse
538 mms1 at isa? port 0x238 irq 5
539 pms0 at pc? irq 12 # PS/2 auxiliary port mouse
540 #pms0 at vt? irq 12 # PS/2 auxiliary port mouse
541
542
543 # Joysticks
544
545 # ISA Plug-and-Play joysticks
546 joy* at isapnp? # Game ports (usually on audio cards)
547
548 # ISA joysticks. Probe is a little strange; add only if you have one.
549 #joy0 at isa? port 0x201
550
551
552 # Miscellaneous Devices
553
554 # Planetconnect Satellite receiver driver.
555 #satlink0 at isa? port 0x300 drq 1
556
557
558 # Pull in optional local configuration
559 include "arch/i386/conf/GENERIC.local"
560
561
562 # Pseudo-Devices
563
564 # disk/mass storage pseudo-devices
565 pseudo-device ccd 4 # concatenated/striped disk devices
566 #pseudo-device raid 4 # RAIDframe disk driver
567 pseudo-device md 1 # memory disk device (ramdisk)
568 pseudo-device vnd 4 # disk-like interface to files
569
570 # network pseudo-devices
571 pseudo-device bpfilter 8 # Berkeley packet filter
572 pseudo-device ipfilter # IP filter (firewall) and NAT
573 pseudo-device loop # network loopback
574 pseudo-device ppp 2 # Point-to-Point Protocol
575 pseudo-device sl 2 # Serial Line IP
576 pseudo-device strip 2 # Starmode Radio IP (Metricom)
577 pseudo-device tun 2 # network tunneling over tty
578 pseudo-device gre 2 # generic L3 over IP tunnel
579
580 # miscellaneous pseudo-devices
581 pseudo-device pty 64 # pseudo-terminals
582 pseudo-device tb 1 # tablet line discipline
583 pseudo-device sequencer 1 # MIDI sequencer
584
585 # rnd is EXPERIMENTAL at this point.
586 #pseudo-device rnd # /dev/random and in-kernel generator
587 #options RND_COM # use "com" randomness as well (BROKEN)
588
589 # a pseudo device needed for Coda # also needs CODA (above)
590 pseudo-device vcoda 4 # coda minicache <-> venus comm.
591