INSTALL_TINY revision 1.116 1 # $NetBSD: INSTALL_TINY,v 1.116 2008/01/07 08:39:06 martti 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 MATH_EMULATE # floating point emulation
27 #options VM86 # virtual 8086 emulation
28 #options USER_LDT # user-settable LDT; used by WINE
29 # insert delay no-ops in interrupts; recommended on very old machines
30 options PIC_DELAY
31
32 # This option allows you to force a serial console at the specified
33 # I/O address.
34 #options CONSDEVNAME="\"com\"",CONADDR=0x3f8,CONSPEED=9600
35
36 # Save a physical page per process by not setting a kernel stack red zone.
37 options NOREDZONE
38
39 # The following options override the memory sizes passed in from the boot
40 # block. Use them *only* if the boot block is unable to determine the correct
41 # values. Note that the BIOS may *correctly* report less than 640k of base
42 # memory if the extended BIOS data area is located at the top of base memory
43 # (as is the case on most recent systems).
44 #options REALBASEMEM=... # size of base memory
45 #options REALEXTMEM=... # size of extended memory
46
47 options INSECURE # disable kernel security levels
48
49 options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT
50 #options NTP # NTP phase/frequency locked loop
51
52 #options KTRACE # system call tracing via ktrace(1)
53
54 #options SYSVSEM # System V-like semaphores
55 #options SYSVSHM # System V-like memory sharing
56 #options SHMMAXPGS=2048 # 2048 pages is the default
57
58 #options LKM # loadable kernel modules
59
60 #options USERCONF # userconf(4) support
61 options PIPE_SOCKETPAIR # smaller, but slower pipe(2)
62 #options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel
63 no options EXEC_AOUT # we don't a.out support
64
65 # Diagnostic/debugging support options
66 #options DIAGNOSTIC # expensive kernel consistency checks
67 #options DEBUG # expensive debugging checks/support
68 #options KMEMSTATS # kernel memory statistics (vmstat -m)
69 #options DDB # in-kernel debugger
70 #options DDB_ONPANIC=1 # see also sysctl(8): `ddb.onpanic'
71 #options DDB_HISTORY_SIZE=512 # enable history editing in DDB
72 #options KGDB # remote debugger
73 #options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
74 #makeoptions DEBUG="-g" # compile full symbol table
75
76 # Compatibility options
77 #options COMPAT_NOMID # NetBSD 0.8, 386BSD, and BSDI
78 #options COMPAT_09 # NetBSD 0.9
79 #options COMPAT_10 # NetBSD 1.0
80 #options COMPAT_11 # NetBSD 1.1
81 #options COMPAT_12 # NetBSD 1.2, 386BSD, and BSDI
82 #options COMPAT_13 # NetBSD 1.3, 386BSD, and BSDI
83 #options COMPAT_14 # NetBSD 1.4
84 #options COMPAT_15 # NetBSD 1.5
85 #options COMPAT_16 # NetBSD 1.6
86 #options COMPAT_20 # NetBSD 2.0
87 #options COMPAT_30 # NetBSD 3.0 compatibility.
88 #options COMPAT_40 # NetBSD 4.0
89 #options COMPAT_43 # 4.3BSD, 386BSD, and BSDI
90 #options COMPAT_386BSD_MBRPART # recognize old partition ID
91 #options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended.
92
93 #options COMPAT_SVR4 # binary compatibility with SVR4
94 #options COMPAT_IBCS2 # binary compatibility with SCO and ISC
95 #options COMPAT_LINUX # binary compatibility with Linux
96 #options COMPAT_FREEBSD # binary compatibility with FreeBSD
97 options COMPAT_BSDPTY # /dev/[pt]ty?? ptys.
98
99 # File systems
100 file-system FFS # UFS
101 #file-system EXT2FS # second extended file system (linux)
102 #file-system LFS # log-structured file system
103 #file-system MFS # memory file system
104 file-system NFS # Network File System client
105 file-system CD9660 # ISO 9660 + Rock Ridge file system
106 file-system MSDOSFS # MS-DOS file system
107 #file-system FDESC # /dev/fd
108 #file-system KERNFS # /kern
109 #file-system NULLFS # loopback file system
110 #file-system PORTAL # portal filesystem (still experimental)
111 #file-system PROCFS # /proc
112 #file-system UMAPFS # NULLFS + uid and gid remapping
113 #file-system UNION # union file system
114 #file-system PTYFS # /dev/pts/N support
115 #file-system TMPFS # Efficient memory file-system
116
117 # Filesystem options
118 #options QUOTA # UFS quotas
119 #options NFSSERVER # Network File System server
120 options NFS_V2_ONLY # Exclude NFS3 code to save space
121 options FFS_NO_SNAPSHOT # No FFS snapshot support
122 #options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
123 # immutable) behave as system flags.
124
125 # Networking options
126 #options GATEWAY # packet forwarding
127 options INET # IP + ICMP + TCP + UDP
128 #options MROUTING # IP multicast routing
129 #options PIM # Protocol Independent Multicast
130 #options ISO,TPIP # OSI
131 #options EON # OSI tunneling over IP
132 #options NETATALK # AppleTalk networking protocols
133 #options PPP_BSDCOMP # BSD-Compress compression support for PPP
134 #options PPP_DEFLATE # Deflate compression support for PPP
135 #options PPP_FILTER # Active filter support for PPP (requires bpf)
136 #options PFIL_HOOKS # pfil(9) packet filter hooks
137 #options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG
138
139 # These options enable verbose messages for several subsystems.
140 # Warning, these may compile large string tables into the kernel!
141 #options EISAVERBOSE # verbose EISA device autoconfig messages
142 #options PCIVERBOSE # verbose PCI device autoconfig messages
143 #options PCI_CONFIG_DUMP # verbosely dump PCI config space
144 #options PCMCIAVERBOSE # verbose PCMCIA configuration messages
145 #options SCSIVERBOSE # human readable SCSI error messages
146
147 # Squeeze...
148 options NVNODE=50
149 options NBUF=20
150 options BUFPAGES=20
151 options NMBCLUSTERS=64
152
153 # Kernel root file system and dump configuration.
154 config netbsd root on ? type ?
155 #config netbsd root on sd0a type ffs
156 #config netbsd root on ? type nfs
157
158 #
159 # wscons options
160 #
161 # builtin terminal emulations
162 #options WSEMUL_SUN # sun terminal emulation
163 options WSEMUL_VT100 # VT100 / VT220 emulation
164 # customization of console and kernel output - see dev/wscons/wsdisplayvar.h
165 #options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8)
166 #options WS_DEFAULT_FG=WSCOL_WHITE
167 #options WS_DEFAULT_BG=WSCOL_BLACK
168 #options WS_DEFAULT_COLATTR="(0)"
169 #options WS_DEFAULT_MONOATTR="(0)"
170 options WS_KERNEL_FG=WSCOL_GREEN
171 #options WS_KERNEL_BG=WSCOL_BLACK
172 #options WS_KERNEL_COLATTR=""
173 #options WS_KERNEL_MONOATTR=""
174 # customization of console border color
175 #options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8)
176 #options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color
177 # compatibility to other console drivers
178 options WSDISPLAY_COMPAT_PCVT # emulate some ioctls
179 options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls
180 options WSDISPLAY_COMPAT_USL # VT handling
181 options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes
182 # see dev/pckbport/wskbdmap_mfii.c for implemented layouts
183 #options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver
184 #options UKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for ukbd driver
185 # allocate a number of virtual screens at autoconfiguration time
186 #options WSDISPLAY_DEFAULTSCREENS=4
187 # use a large software cursor that doesn't blink
188 options PCDISPLAY_SOFTCURSOR
189
190 #
191 # Device configuration
192 #
193
194 mainbus0 at root
195 cpu0 at mainbus0
196 #apm0 at mainbus0 # Advanced power management
197
198
199 # Basic Bus Support
200
201 # PCI bus support
202 #pci* at mainbus? bus ?
203 #pci* at pchb? bus ?
204 #pci* at ppb? bus ?
205
206 # PCI bridges
207 #pchb* at pci? dev ? function ? # PCI-Host bridges
208 #pceb* at pci? dev ? function ? # PCI-EISA bridges
209 #pcib* at pci? dev ? function ? # PCI-ISA bridges
210 #ppb* at pci? dev ? function ? # PCI-PCI bridges
211 # XXX 'puc's aren't really bridges, but there's no better place for them here
212 #puc* at pci? dev ? function ? # PCI "universal" comm. cards
213
214 # As well as 5 and 7, avoid irq 4 and 3 because we do not probe com* here
215 options PCIC_ISA_INTR_ALLOC_MASK=0xff47
216
217 # PCMCIA bus support
218 pcmcia* at pcic? controller ? socket ?
219 #pcmcia* at tcic? controller ? socket ?
220
221 # ISA PCMCIA controllers
222 pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
223 pcic1 at isa? port 0x3e2 iomem 0xe0000 iosiz 0x4000
224
225 # EISA bus support
226 #eisa0 at mainbus?
227 #eisa0 at pceb?
228
229 # ISA bus support
230 isa0 at mainbus?
231 #isa0 at pceb?
232 #isa0 at pcib?
233
234 # ISA Plug-and-Play bus support
235 #isapnp0 at isa?
236
237 # Coprocessor Support
238
239 # Math Coprocessor support
240 npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor
241
242
243 # Console Devices
244
245 # wscons
246 pckbc0 at isa? # pc keyboard controller
247 pckbd* at pckbc? # PC keyboard
248 pcdisplay0 at isa? # CGA, MDA, EGA, HGA
249 wsdisplay* at pcdisplay? console ?
250 wskbd* at pckbd? console ?
251 #wsmouse* at pms? mux 0
252
253 # Serial Devices
254
255 # PCI serial interfaces
256 #com* at puc? port ? # 16x50s on "universal" comm boards
257 #cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards
258
259 # ISA Plug-and-Play serial interfaces
260 #com* at isapnp? # Modems and serial boards
261
262 # PCMCIA serial interfaces
263 #com* at pcmcia? function ? # Modems and serial cards
264
265 # ISA serial interfaces
266 #options COM_HAYESP # adds Hayes ESP serial board support
267 #com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports
268 #com1 at isa? port 0x2f8 irq 3
269 #com2 at isa? port 0x3e8 irq 5
270 #com3 at isa? port 0x2e8 irq 9
271 #ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards
272 #com* at ast? slave ?
273 #boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards
274 #com* at boca? slave ?
275 #rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards
276 #com* at rtfps? slave ?
277 #cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards
278
279
280 # Parallel Printer Interfaces
281
282 # PCI parallel printer interfaces
283 #lpt* at puc? port ? # || ports on "universal" comm boards
284
285 # ISA parallel printer interfaces
286 #lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports
287 #lpt1 at isa? port 0x278
288 #lpt2 at isa? port 0x3bc
289
290 # I2O devices
291 #iop* at pci? dev ? function ? # I/O processor
292 #iopsp* at iop? tid ? # SCSI/FC-AL ports
293 #ld* at iop? tid ? # block devices
294 #dpti* at iop? tid 0 # DPT/Adaptec control interface
295
296 # SCSI Controllers and Devices
297
298 # PCI SCSI controllers
299 #ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI
300 #bha* at pci? dev ? function ? # BusLogic 9xx SCSI
301 #dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID
302 #isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel
303 #mly* at pci? dev ? function ? # Mylex AcceleRAID and eXtremeRAID
304 #siop* at pci? dev ? function ? # NCR 53c8xx SCSI
305
306 # EISA SCSI controllers
307 #ahb* at eisa? slot ? # Adaptec 174[02] SCSI
308 #ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI
309 #bha* at eisa? slot ? # BusLogic 7xx SCSI
310 #dpt* at eisa? slot ? # DPT SmartCache/SmartRAID
311 #uha* at eisa? slot ? # UltraStor 24f SCSI
312
313 # PCMCIA SCSI controllers
314 #aic* at pcmcia? function ? # Adaptec APA-1460 SCSI
315
316 # ISA Plug-and-Play SCSI controllers
317 #aic* at isapnp? # Adaptec AHA-1520B
318
319 # ISA SCSI controllers
320 #aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI
321 #aha1 at isa? port 0x334 irq ? drq ?
322 #ahc0 at isa? port ? irq ? # Adaptec 284x SCSI
323 #aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI
324 #bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI
325 #bha1 at isa? port 0x334 irq ? drq ?
326 # The "nca" and "dpt" probes might give false hits or hang your machine.
327 #dpt0 at isa? port 0x170 irq ? drq ? # DPT SmartCache/SmartRAID
328 #nca0 at isa? port 0x360 irq 15 # Port-mapped NCR 53C80 controller
329 #nca1 at isa? iomem 0xd8000 irq 5 # Memory-mapped controller (T128, etc.)
330 #sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI
331 #uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI
332 #uha1 at isa? port 0x340 irq ? drq ?
333 #wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers
334 #wds1 at isa? port 0x358 irq 11 drq 5
335
336 # SCSI bus support
337 #scsibus* at scsi?
338
339 # SCSI devices
340 #sd* at scsibus? target ? lun ? # SCSI disk drives
341 #st* at scsibus? target ? lun ? # SCSI tape drives
342 #cd* at scsibus? target ? lun ? # SCSI CD-ROM drives
343 #ch* at scsibus? target ? lun ? # SCSI autochangers
344 #ss* at scsibus? target ? lun ? # SCSI scanners
345 #uk* at scsibus? target ? lun ? # SCSI unknown
346
347
348 # RAID controllers and devices
349 #aac* at pci? dev ? function ? # Adaptec AAC family
350 #cac* at eisa? slot ? # Compaq EISA array controllers
351 #cac* at pci? dev ? function ? # Compaq PCI array controllers
352 #ciss* at pci? dev ? function ? # HP Smart Array controllers
353 #icp* at pci? dev ? function ? # ICP-Vortex GDT & Intel RAID
354 #mlx* at pci? dev ? function ? # Mylex DAC960 & DEC SWXCR family
355 #mlx* at eisa? slot ? # Mylex DAC960 & DEC SWXCR family
356 #twe* at pci? dev ? function ? # 3ware Escalade RAID controllers
357
358 #ld* at aac? unit ? # logical disk devices
359 #ld* at cac? unit ?
360 #ld* at icp? unit ?
361 #ld* at twe? unit ?
362 #ld* at mlx? unit ?
363
364 #icpsp* at icp? unit ? # SCSI pass-through
365
366
367 # IDE and related devices
368
369 # PCMCIA IDE controllers
370 wdc* at pcmcia? function ?
371
372 # ST506, ESDI, and ISA IDE controllers
373 # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
374 # fall back to 16bits I/O if 32bits I/O are not functional).
375 # Some controllers pass the initial 32bit test, but will fail later.
376 wdc0 at isa? port 0x1f0 irq 14 flags 0x00
377 wdc1 at isa? port 0x170 irq 15 flags 0x00
378
379 # ATA (IDE) bus support
380 atabus* at ata?
381
382 # IDE drives
383 wd* at atabus? drive ? # the drives themselves
384
385 # ATAPI bus support
386 atapibus* at atapi?
387
388 # ATAPI devices
389 cd* at atapibus? drive ? # ATAPI CD-ROM drives
390 #sd* at atapibus? drive ? # ATAPI disk drives
391
392
393 # Miscellaneous mass storage devices
394
395 # ISA floppy
396 fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers
397 #fdc1 at isa? port 0x370 irq ? drq ?
398 fd* at fdc? drive ? # the drives themselves
399 # some machines need you to do this instead of fd*
400 #fd0 at fdc0 drive 0
401
402 # ISA CD-ROM devices
403 #mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives
404
405 # ISA tape devices
406 # note: the wt driver conflicts unpleasantly with ed devices at the
407 # same I/O address. The probe reprograms their EEPROMs. Don't
408 # uncomment it unless you are actually using it.
409 #wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives
410
411
412 # Network Interfaces
413
414 # PCI network interfaces
415 #en* at pci? dev ? function ? # ENI/Adaptec ATM
416 #ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet
417 #fpa* at pci? dev ? function ? # DEC DEFPA FDDI
418 #fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B
419 #le* at pci? dev ? function ? # PCnet-PCI Ethernet
420 #ne* at pci? dev ? function ? # NE2000-compatible Ethernet
421 #tl* at pci? dev ? function ? # ThunderLAN-based Ethernet
422 #tlp* at pci? dev ? function ? # DECchip 21x4x and clones
423
424 # EISA network interfaces
425 #ep* at eisa? slot ? # 3Com 3c579 Ethernet
426 #fea* at eisa? slot ? # DEC DEFEA FDDI
427
428 # ISA Plug-and-Play network interfaces
429 #ep* at isapnp? # 3Com 3c509 Ethernet
430 #ne* at isapnp? # NE2000-compatible Ethernet
431
432 # PCMCIA network interfaces
433 ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet
434 mbe* at pcmcia? function ? # MB8696x based Ethernet
435 ne* at pcmcia? function ? # NE2000-compatible Ethernet
436 sm* at pcmcia? function ? # Megahertz Ethernet
437
438 # ISA network interfaces
439 ate0 at isa? port 0x2a0 irq ? # AT1700
440 ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
441 #eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards
442 #el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards
443 ep0 at isa? port ? irq ? # 3C509 ethernet cards
444 #ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507
445 ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN
446 fmv0 at isa? port 0x2a0 irq ? # FMV-180 series
447 ix0 at isa? port 0x300 irq 10 # EtherExpress/16
448 iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA
449 lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC)
450 #depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA
451 #le* at depca?
452 #nele0 at isa? port 0x320 irq 9 drq 7 # NE2100
453 #le* at nele?
454 #bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan
455 #le* at bicc?
456 ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards
457 ne1 at isa? port 0x300 irq 10
458 sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet
459 we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet
460 we1 at isa? port 0x300 iomem 0xcc000 irq 10
461
462 # MII bus support
463 #mii* at tl?
464
465 # MII PHY network interfaces
466 #tlphy* at mii? dev ? # ThunderLAN PHYs
467 #nsphy* at mii? dev ? # NS and compatible PHYs
468 #ukphy* at mii? phy ? # generic unknown PHYs
469
470
471 # Audio Devices
472
473 # ISA Plug-and-Play audio devices
474 #guspnp* at isapnp? # Gravis Ultra Sound PnP audio
475 #sb* at isapnp? # SoundBlaster-compatible audio
476
477 # ISA audio devices
478 #gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound
479 #pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
480 #sb0 at isa? port 0x220 irq 7 drq 1 drq2 5 # SoundBlaster
481 #wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System
482
483 # Audio support
484 #audio* at audiobus?
485
486 # The spkr driver provides a simple tone interface to the built in speaker.
487 #spkr0 at pcppi? # PC speaker
488
489
490 # Joysticks
491
492 # ISA Plug-and-Play joysticks
493 #joy* at isapnp? # Game ports (usually on audio cards)
494
495 # ISA joysticks. Probe is a little strange; add only if you have one.
496 #joy0 at isa? port 0x201
497
498
499 # Miscellaneous Devices
500
501 # Planetconnect Satellite receiver driver.
502 #satlink0 at isa? port 0x300 drq 1
503
504
505 # Pull in optional local configuration
506 include "arch/i386/conf/INSTALL.local"
507
508
509 # Pseudo-Devices
510
511 # disk/mass storage pseudo-devices
512 #pseudo-device ccd 4 # concatenated/striped disk devices
513 #pseudo-device fss 4 # file system snapshot device
514 pseudo-device md 1 # memory disk device (ramdisk)
515 #pseudo-device vnd # disk-like interface to files
516
517 # network pseudo-devices
518 #pseudo-device bpfilter # Berkeley packet filter
519 #pseudo-device ipfilter # IP filter (firewall) and NAT
520 pseudo-device loop # network loopback
521 #pseudo-device ppp # Point-to-Point Protocol
522 #pseudo-device sl # Serial Line IP
523 #pseudo-device strip # Starmode Radio IP (Metricom)
524 #pseudo-device tun # network tunneling over tty
525
526 # miscellaneous pseudo-devices
527 pseudo-device pty 2 # pseudo-terminals (Sysinst needs two)
528 options NO_DEV_PTM
529 #pseudo-device rnd # /dev/random and in-kernel generator
530 #options RND_COM # use "com" randomness as well (BROKEN)
531