INSTALL_TINY revision 1.117 1 # $NetBSD: INSTALL_TINY,v 1.117 2008/01/16 09:37:06 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
11 include "arch/i386/conf/std.i386"
12
13 #options INCLUDE_CONFIG_FILE # embed config file in kernel binary
14
15 makeoptions COPTS="-Os" # Optimise for space. Implies -O2
16
17 # Enable the hooks used for initializing the root memory-disk.
18 options MEMORY_DISK_HOOKS
19 options MEMORY_DISK_IS_ROOT # force root on memory disk
20 options MEMORY_DISK_SERVER=0 # no userspace memory disk support
21 options MEMORY_DISK_ROOT_SIZE=3100 # size of memory disk, in blocks
22
23 maxusers 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
29 options 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.
36 options 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
46 options INSECURE # disable kernel security levels
47
48 options 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
60 options PIPE_SOCKETPAIR # smaller, but slower pipe(2)
61 #options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel
62 no 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
96 options COMPAT_BSDPTY # /dev/[pt]ty?? ptys.
97
98 # File systems
99 file-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
103 file-system NFS # Network File System client
104 file-system CD9660 # ISO 9660 + Rock Ridge file system
105 file-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
119 options NFS_V2_ONLY # Exclude NFS3 code to save space
120 options 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
126 options 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...
147 options NVNODE=50
148 options NBUF=20
149 options BUFPAGES=20
150 options NMBCLUSTERS=64
151
152 # Kernel root file system and dump configuration.
153 config 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
162 options 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)"
169 options 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
177 options WSDISPLAY_COMPAT_PCVT # emulate some ioctls
178 options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls
179 options WSDISPLAY_COMPAT_USL # VT handling
180 options 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
187 options PCDISPLAY_SOFTCURSOR
188
189 #
190 # Device configuration
191 #
192
193 mainbus0 at root
194 cpu0 at mainbus0
195 #apm0 at mainbus0 # Advanced power management
196
197
198 # Basic Bus Support
199
200 # PCI bus support
201 #pci* at mainbus? bus ?
202 #pci* at pchb? bus ?
203 #pci* at ppb? bus ?
204
205 # PCI bridges
206 #pchb* at pci? dev ? function ? # PCI-Host bridges
207 #pceb* at pci? dev ? function ? # PCI-EISA bridges
208 #pcib* at pci? dev ? function ? # PCI-ISA bridges
209 #ppb* at pci? dev ? function ? # PCI-PCI bridges
210 # XXX 'puc's aren't really bridges, but there's no better place for them here
211 #puc* at pci? dev ? function ? # PCI "universal" comm. cards
212
213 # As well as 5 and 7, avoid irq 4 and 3 because we do not probe com* here
214 options PCIC_ISA_INTR_ALLOC_MASK=0xff47
215
216 # PCMCIA bus support
217 pcmcia* at pcic? controller ? socket ?
218 #pcmcia* at tcic? controller ? socket ?
219
220 # ISA PCMCIA controllers
221 pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
222 pcic1 at isa? port 0x3e2 iomem 0xe0000 iosiz 0x4000
223
224 # EISA bus support
225 #eisa0 at mainbus?
226 #eisa0 at pceb?
227
228 # ISA bus support
229 isa0 at mainbus?
230 #isa0 at pceb?
231 #isa0 at pcib?
232
233 # ISA Plug-and-Play bus support
234 #isapnp0 at isa?
235
236 # Coprocessor Support
237
238 # Math Coprocessor support
239 npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor
240
241
242 # Console Devices
243
244 # wscons
245 pckbc0 at isa? # pc keyboard controller
246 pckbd* at pckbc? # PC keyboard
247 pcdisplay0 at isa? # CGA, MDA, EGA, HGA
248 wsdisplay* at pcdisplay? console ?
249 wskbd* at pckbd? console ?
250 #wsmouse* at pms? mux 0
251
252 # Serial Devices
253
254 # PCI serial interfaces
255 #com* at puc? port ? # 16x50s on "universal" comm boards
256 #cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards
257
258 # ISA Plug-and-Play serial interfaces
259 #com* at isapnp? # Modems and serial boards
260
261 # PCMCIA serial interfaces
262 #com* at pcmcia? function ? # Modems and serial cards
263
264 # ISA serial interfaces
265 #options COM_HAYESP # adds Hayes ESP serial board support
266 #com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports
267 #com1 at isa? port 0x2f8 irq 3
268 #com2 at isa? port 0x3e8 irq 5
269 #com3 at isa? port 0x2e8 irq 9
270 #ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards
271 #com* at ast? slave ?
272 #boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards
273 #com* at boca? slave ?
274 #rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards
275 #com* at rtfps? slave ?
276 #cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards
277
278
279 # Parallel Printer Interfaces
280
281 # PCI parallel printer interfaces
282 #lpt* at puc? port ? # || ports on "universal" comm boards
283
284 # ISA parallel printer interfaces
285 #lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports
286 #lpt1 at isa? port 0x278
287 #lpt2 at isa? port 0x3bc
288
289 # I2O devices
290 #iop* at pci? dev ? function ? # I/O processor
291 #iopsp* at iop? tid ? # SCSI/FC-AL ports
292 #ld* at iop? tid ? # block devices
293 #dpti* at iop? tid 0 # DPT/Adaptec control interface
294
295 # SCSI Controllers and Devices
296
297 # PCI SCSI controllers
298 #ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI
299 #bha* at pci? dev ? function ? # BusLogic 9xx SCSI
300 #dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID
301 #isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel
302 #mly* at pci? dev ? function ? # Mylex AcceleRAID and eXtremeRAID
303 #siop* at pci? dev ? function ? # NCR 53c8xx SCSI
304
305 # EISA SCSI controllers
306 #ahb* at eisa? slot ? # Adaptec 174[02] SCSI
307 #ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI
308 #bha* at eisa? slot ? # BusLogic 7xx SCSI
309 #dpt* at eisa? slot ? # DPT SmartCache/SmartRAID
310 #uha* at eisa? slot ? # UltraStor 24f SCSI
311
312 # PCMCIA SCSI controllers
313 #aic* at pcmcia? function ? # Adaptec APA-1460 SCSI
314
315 # ISA Plug-and-Play SCSI controllers
316 #aic* at isapnp? # Adaptec AHA-1520B
317
318 # ISA SCSI controllers
319 #aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI
320 #aha1 at isa? port 0x334 irq ? drq ?
321 #ahc0 at isa? port ? irq ? # Adaptec 284x SCSI
322 #aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI
323 #bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI
324 #bha1 at isa? port 0x334 irq ? drq ?
325 # The "nca" and "dpt" probes might give false hits or hang your machine.
326 #dpt0 at isa? port 0x170 irq ? drq ? # DPT SmartCache/SmartRAID
327 #nca0 at isa? port 0x360 irq 15 # Port-mapped NCR 53C80 controller
328 #nca1 at isa? iomem 0xd8000 irq 5 # Memory-mapped controller (T128, etc.)
329 #sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI
330 #uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI
331 #uha1 at isa? port 0x340 irq ? drq ?
332 #wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers
333 #wds1 at isa? port 0x358 irq 11 drq 5
334
335 # SCSI bus support
336 #scsibus* at scsi?
337
338 # SCSI devices
339 #sd* at scsibus? target ? lun ? # SCSI disk drives
340 #st* at scsibus? target ? lun ? # SCSI tape drives
341 #cd* at scsibus? target ? lun ? # SCSI CD-ROM drives
342 #ch* at scsibus? target ? lun ? # SCSI autochangers
343 #ss* at scsibus? target ? lun ? # SCSI scanners
344 #uk* at scsibus? target ? lun ? # SCSI unknown
345
346
347 # RAID controllers and devices
348 #aac* at pci? dev ? function ? # Adaptec AAC family
349 #cac* at eisa? slot ? # Compaq EISA array controllers
350 #cac* at pci? dev ? function ? # Compaq PCI array controllers
351 #ciss* at pci? dev ? function ? # HP Smart Array controllers
352 #icp* at pci? dev ? function ? # ICP-Vortex GDT & Intel RAID
353 #mlx* at pci? dev ? function ? # Mylex DAC960 & DEC SWXCR family
354 #mlx* at eisa? slot ? # Mylex DAC960 & DEC SWXCR family
355 #twe* at pci? dev ? function ? # 3ware Escalade RAID controllers
356
357 #ld* at aac? unit ? # logical disk devices
358 #ld* at cac? unit ?
359 #ld* at icp? unit ?
360 #ld* at twe? unit ?
361 #ld* at mlx? unit ?
362
363 #icpsp* at icp? unit ? # SCSI pass-through
364
365
366 # IDE and related devices
367
368 # PCMCIA IDE controllers
369 wdc* at pcmcia? function ?
370
371 # ST506, ESDI, and ISA IDE controllers
372 # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
373 # fall back to 16bits I/O if 32bits I/O are not functional).
374 # Some controllers pass the initial 32bit test, but will fail later.
375 wdc0 at isa? port 0x1f0 irq 14 flags 0x00
376 wdc1 at isa? port 0x170 irq 15 flags 0x00
377
378 # ATA (IDE) bus support
379 atabus* at ata?
380
381 # IDE drives
382 wd* at atabus? drive ? # the drives themselves
383
384 # ATAPI bus support
385 atapibus* at atapi?
386
387 # ATAPI devices
388 cd* at atapibus? drive ? # ATAPI CD-ROM drives
389 #sd* at atapibus? drive ? # ATAPI disk drives
390
391
392 # Miscellaneous mass storage devices
393
394 # ISA floppy
395 fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers
396 #fdc1 at isa? port 0x370 irq ? drq ?
397 fd* at fdc? drive ? # the drives themselves
398 # some machines need you to do this instead of fd*
399 #fd0 at fdc0 drive 0
400
401 # ISA CD-ROM devices
402 #mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives
403
404 # ISA tape devices
405 # note: the wt driver conflicts unpleasantly with ed devices at the
406 # same I/O address. The probe reprograms their EEPROMs. Don't
407 # uncomment it unless you are actually using it.
408 #wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives
409
410
411 # Network Interfaces
412
413 # PCI network interfaces
414 #en* at pci? dev ? function ? # ENI/Adaptec ATM
415 #ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet
416 #fpa* at pci? dev ? function ? # DEC DEFPA FDDI
417 #fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B
418 #le* at pci? dev ? function ? # PCnet-PCI Ethernet
419 #ne* at pci? dev ? function ? # NE2000-compatible Ethernet
420 #tl* at pci? dev ? function ? # ThunderLAN-based Ethernet
421 #tlp* at pci? dev ? function ? # DECchip 21x4x and clones
422
423 # EISA network interfaces
424 #ep* at eisa? slot ? # 3Com 3c579 Ethernet
425 #fea* at eisa? slot ? # DEC DEFEA FDDI
426
427 # ISA Plug-and-Play network interfaces
428 #ep* at isapnp? # 3Com 3c509 Ethernet
429 #ne* at isapnp? # NE2000-compatible Ethernet
430
431 # PCMCIA network interfaces
432 ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet
433 mbe* at pcmcia? function ? # MB8696x based Ethernet
434 ne* at pcmcia? function ? # NE2000-compatible Ethernet
435 sm* at pcmcia? function ? # Megahertz Ethernet
436
437 # ISA network interfaces
438 ate0 at isa? port 0x2a0 irq ? # AT1700
439 ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
440 #eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards
441 #el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards
442 ep0 at isa? port ? irq ? # 3C509 ethernet cards
443 #ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507
444 ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN
445 fmv0 at isa? port 0x2a0 irq ? # FMV-180 series
446 ix0 at isa? port 0x300 irq 10 # EtherExpress/16
447 iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA
448 lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC)
449 #depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA
450 #le* at depca?
451 #nele0 at isa? port 0x320 irq 9 drq 7 # NE2100
452 #le* at nele?
453 #bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan
454 #le* at bicc?
455 ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards
456 ne1 at isa? port 0x300 irq 10
457 sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet
458 we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet
459 we1 at isa? port 0x300 iomem 0xcc000 irq 10
460
461 # MII bus support
462 #mii* at tl?
463
464 # MII PHY network interfaces
465 #tlphy* at mii? dev ? # ThunderLAN PHYs
466 #nsphy* at mii? dev ? # NS and compatible PHYs
467 #ukphy* at mii? phy ? # generic unknown PHYs
468
469
470 # Audio Devices
471
472 # ISA Plug-and-Play audio devices
473 #guspnp* at isapnp? # Gravis Ultra Sound PnP audio
474 #sb* at isapnp? # SoundBlaster-compatible audio
475
476 # ISA audio devices
477 #gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound
478 #pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
479 #sb0 at isa? port 0x220 irq 7 drq 1 drq2 5 # SoundBlaster
480 #wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System
481
482 # Audio support
483 #audio* at audiobus?
484
485 # The spkr driver provides a simple tone interface to the built in speaker.
486 #spkr0 at pcppi? # PC speaker
487
488
489 # Joysticks
490
491 # ISA Plug-and-Play joysticks
492 #joy* at isapnp? # Game ports (usually on audio cards)
493
494 # ISA joysticks. Probe is a little strange; add only if you have one.
495 #joy0 at isa? port 0x201
496
497
498 # Miscellaneous Devices
499
500 # Planetconnect Satellite receiver driver.
501 #satlink0 at isa? port 0x300 drq 1
502
503
504 # Pull in optional local configuration
505 include "arch/i386/conf/INSTALL.local"
506
507
508 # Pseudo-Devices
509
510 # disk/mass storage pseudo-devices
511 #pseudo-device ccd 4 # concatenated/striped disk devices
512 #pseudo-device fss 4 # file system snapshot device
513 pseudo-device md 1 # memory disk device (ramdisk)
514 #pseudo-device vnd # disk-like interface to files
515
516 # network pseudo-devices
517 #pseudo-device bpfilter # Berkeley packet filter
518 #pseudo-device ipfilter # IP filter (firewall) and NAT
519 pseudo-device loop # network loopback
520 #pseudo-device ppp # Point-to-Point Protocol
521 #pseudo-device sl # Serial Line IP
522 #pseudo-device strip # Starmode Radio IP (Metricom)
523 #pseudo-device tun # network tunneling over tty
524
525 # miscellaneous pseudo-devices
526 pseudo-device pty 2 # pseudo-terminals (Sysinst needs two)
527 options NO_DEV_PTM
528 #pseudo-device rnd # /dev/random and in-kernel generator
529 #options RND_COM # use "com" randomness as well (BROKEN)
530