INSTALL_TINY revision 1.118.2.1 1 # $NetBSD: INSTALL_TINY,v 1.118.2.1 2008/05/18 12:32:09 yamt 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
29 # This option allows you to force a serial console at the specified
30 # I/O address.
31 #options CONSDEVNAME="\"com\"",CONADDR=0x3f8,CONSPEED=9600
32
33 # Save a physical page per process by not setting a kernel stack red zone.
34 options NOREDZONE
35
36 # The following options override the memory sizes passed in from the boot
37 # block. Use them *only* if the boot block is unable to determine the correct
38 # values. Note that the BIOS may *correctly* report less than 640k of base
39 # memory if the extended BIOS data area is located at the top of base memory
40 # (as is the case on most recent systems).
41 #options REALBASEMEM=... # size of base memory
42 #options REALEXTMEM=... # size of extended memory
43
44 options INSECURE # disable kernel security levels
45
46 options 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 SYSVSEM # System V-like semaphores
52 #options SYSVSHM # System V-like memory sharing
53 #options SHMMAXPGS=2048 # 2048 pages is the default
54
55 #options LKM # loadable kernel modules
56
57 #options USERCONF # userconf(4) support
58 options PIPE_SOCKETPAIR # smaller, but slower pipe(2)
59 #options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel
60 no options EXEC_AOUT # we don't a.out support
61
62 # Diagnostic/debugging support options
63 #options DIAGNOSTIC # expensive 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_ONPANIC=1 # see also sysctl(8): `ddb.onpanic'
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 # NetBSD 0.8, 386BSD, and BSDI
75 #options COMPAT_09 # NetBSD 0.9
76 #options COMPAT_10 # NetBSD 1.0
77 #options COMPAT_11 # NetBSD 1.1
78 #options COMPAT_12 # NetBSD 1.2, 386BSD, and BSDI
79 #options COMPAT_13 # NetBSD 1.3, 386BSD, and BSDI
80 #options COMPAT_14 # NetBSD 1.4
81 #options COMPAT_15 # NetBSD 1.5
82 #options COMPAT_16 # NetBSD 1.6
83 #options COMPAT_20 # NetBSD 2.0
84 #options COMPAT_30 # NetBSD 3.0 compatibility.
85 #options COMPAT_40 # NetBSD 4.0
86 #options COMPAT_43 # 4.3BSD, 386BSD, and BSDI
87 #options COMPAT_386BSD_MBRPART # recognize old partition ID
88 #options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended.
89
90 #options COMPAT_SVR4 # binary compatibility with SVR4
91 #options COMPAT_IBCS2 # binary compatibility with SCO and ISC
92 #options COMPAT_LINUX # binary compatibility with Linux
93 #options COMPAT_FREEBSD # binary compatibility with FreeBSD
94 options COMPAT_BSDPTY # /dev/[pt]ty?? ptys.
95
96 # File systems
97 file-system FFS # UFS
98 #file-system EXT2FS # second extended file system (linux)
99 #file-system LFS # log-structured file system
100 #file-system MFS # memory file system
101 file-system NFS # Network File System client
102 file-system CD9660 # ISO 9660 + Rock Ridge file system
103 file-system MSDOSFS # MS-DOS file system
104 #file-system FDESC # /dev/fd
105 #file-system KERNFS # /kern
106 #file-system NULLFS # loopback file system
107 #file-system PORTAL # portal filesystem (still experimental)
108 #file-system PROCFS # /proc
109 #file-system UMAPFS # NULLFS + uid and gid remapping
110 #file-system UNION # union file system
111 #file-system PTYFS # /dev/pts/N support
112 #file-system TMPFS # Efficient memory file-system
113
114 # Filesystem options
115 #options QUOTA # UFS quotas
116 #options NFSSERVER # Network File System server
117 options NFS_V2_ONLY # Exclude NFS3 code to save space
118 options FFS_NO_SNAPSHOT # No FFS snapshot support
119 #options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
120 # immutable) behave as system flags.
121
122 # Networking options
123 #options GATEWAY # packet forwarding
124 options INET # IP + ICMP + TCP + UDP
125 #options MROUTING # IP multicast routing
126 #options PIM # Protocol Independent Multicast
127 #options ISO,TPIP # OSI
128 #options EON # OSI tunneling over IP
129 #options NETATALK # AppleTalk networking protocols
130 #options PPP_BSDCOMP # BSD-Compress compression support for PPP
131 #options PPP_DEFLATE # Deflate compression support for PPP
132 #options PPP_FILTER # Active filter support for PPP (requires bpf)
133 #options PFIL_HOOKS # pfil(9) packet filter hooks
134 #options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG
135
136 # These options enable verbose messages for several subsystems.
137 # Warning, these may compile large string tables into the kernel!
138 #options EISAVERBOSE # verbose EISA device autoconfig messages
139 #options PCIVERBOSE # verbose PCI device autoconfig messages
140 #options PCI_CONFIG_DUMP # verbosely dump PCI config space
141 #options PCMCIAVERBOSE # verbose PCMCIA configuration messages
142 #options SCSIVERBOSE # human readable SCSI error messages
143
144 # Squeeze...
145 options NVNODE=50
146 options NBUF=20
147 options BUFPAGES=20
148 options NMBCLUSTERS=64
149
150 # Kernel root file system and dump configuration.
151 config netbsd root on ? type ?
152 #config netbsd root on sd0a type ffs
153 #config netbsd root on ? type nfs
154
155 #
156 # wscons options
157 #
158 # builtin terminal emulations
159 #options WSEMUL_SUN # sun terminal emulation
160 options WSEMUL_VT100 # VT100 / VT220 emulation
161 # customization of console and kernel output - see dev/wscons/wsdisplayvar.h
162 #options WSDISPLAY_CUSTOM_OUTPUT # color customization from wsconsctl(8)
163 #options WS_DEFAULT_FG=WSCOL_WHITE
164 #options WS_DEFAULT_BG=WSCOL_BLACK
165 #options WS_DEFAULT_COLATTR="(0)"
166 #options WS_DEFAULT_MONOATTR="(0)"
167 options WS_KERNEL_FG=WSCOL_GREEN
168 #options WS_KERNEL_BG=WSCOL_BLACK
169 #options WS_KERNEL_COLATTR=""
170 #options WS_KERNEL_MONOATTR=""
171 # customization of console border color
172 #options WSDISPLAY_CUSTOM_BORDER # border customization from wsconsctl(8)
173 #options WSDISPLAY_BORDER_COLOR=WSCOL_BLUE # default color
174 # compatibility to other console drivers
175 options WSDISPLAY_COMPAT_PCVT # emulate some ioctls
176 options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls
177 options WSDISPLAY_COMPAT_USL # VT handling
178 options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes
179 # see dev/pckbport/wskbdmap_mfii.c for implemented layouts
180 #options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for pckbd driver
181 #options UKBD_LAYOUT="(KB_DE | KB_NODEAD)" # for ukbd driver
182 # allocate a number of virtual screens at autoconfiguration time
183 #options WSDISPLAY_DEFAULTSCREENS=4
184 # use a large software cursor that doesn't blink
185 options PCDISPLAY_SOFTCURSOR
186
187 #
188 # Device configuration
189 #
190
191 #apm0 at mainbus0 # Advanced power management
192
193
194 # Basic Bus Support
195
196 # PCI bus support
197 #pci* at mainbus? bus ?
198 #pci* at pchb? bus ?
199 #pci* at ppb? bus ?
200
201 # PCI bridges
202 #pchb* at pci? dev ? function ? # PCI-Host bridges
203 #pceb* at pci? dev ? function ? # PCI-EISA bridges
204 #pcib* at pci? dev ? function ? # PCI-ISA bridges
205 #ppb* at pci? dev ? function ? # PCI-PCI bridges
206 # XXX 'puc's aren't really bridges, but there's no better place for them here
207 #puc* at pci? dev ? function ? # PCI "universal" comm. cards
208
209 # As well as 5 and 7, avoid irq 4 and 3 because we do not probe com* here
210 options PCIC_ISA_INTR_ALLOC_MASK=0xff47
211
212 # PCMCIA bus support
213 pcmcia* at pcic? controller ? socket ?
214 #pcmcia* at tcic? controller ? socket ?
215
216 # ISA PCMCIA controllers
217 pcic0 at isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
218 pcic1 at isa? port 0x3e2 iomem 0xe0000 iosiz 0x4000
219
220 # EISA bus support
221 #eisa0 at mainbus?
222 #eisa0 at pceb?
223
224 # ISA bus support
225 isa0 at mainbus?
226 #isa0 at pceb?
227 #isa0 at pcib?
228
229 # ISA Plug-and-Play bus support
230 #isapnp0 at isa?
231
232 # Coprocessor Support
233
234 # Math Coprocessor support
235 npx0 at isa? port 0xf0 irq 13 # x86 math coprocessor
236
237
238 # Console Devices
239
240 # wscons
241 pckbc0 at isa? # pc keyboard controller
242 pckbd* at pckbc? # PC keyboard
243 pcdisplay0 at isa? # CGA, MDA, EGA, HGA
244 wsdisplay* at pcdisplay? console ?
245 wskbd* at pckbd? console ?
246 #wsmouse* at pms? mux 0
247
248 # Serial Devices
249
250 # PCI serial interfaces
251 #com* at puc? port ? # 16x50s on "universal" comm boards
252 #cy* at pci? dev ? function ? # Cyclades Cyclom-Y serial boards
253
254 # ISA Plug-and-Play serial interfaces
255 #com* at isapnp? # Modems and serial boards
256
257 # PCMCIA serial interfaces
258 #com* at pcmcia? function ? # Modems and serial cards
259
260 # ISA serial interfaces
261 #options COM_HAYESP # adds Hayes ESP serial board support
262 #com0 at isa? port 0x3f8 irq 4 # Standard PC serial ports
263 #com1 at isa? port 0x2f8 irq 3
264 #com2 at isa? port 0x3e8 irq 5
265 #com3 at isa? port 0x2e8 irq 9
266 #ast0 at isa? port 0x1a0 irq 5 # AST 4-port serial cards
267 #com* at ast? slave ?
268 #boca0 at isa? port 0x100 irq 5 # BOCA 8-port serial cards
269 #com* at boca? slave ?
270 #rtfps0 at isa? port 0x1230 irq 10 # RT 4-port serial cards
271 #com* at rtfps? slave ?
272 #cy0 at isa? iomem 0xd4000 irq 12 # Cyclades serial cards
273
274
275 # Parallel Printer Interfaces
276
277 # PCI parallel printer interfaces
278 #lpt* at puc? port ? # || ports on "universal" comm boards
279
280 # ISA parallel printer interfaces
281 #lpt0 at isa? port 0x378 irq 7 # standard PC parallel ports
282 #lpt1 at isa? port 0x278
283 #lpt2 at isa? port 0x3bc
284
285 # I2O devices
286 #iop* at pci? dev ? function ? # I/O processor
287 #iopsp* at iop? tid ? # SCSI/FC-AL ports
288 #ld* at iop? tid ? # block devices
289 #dpti* at iop? tid 0 # DPT/Adaptec control interface
290
291 # SCSI Controllers and Devices
292
293 # PCI SCSI controllers
294 #ahc* at pci? dev ? function ? # Adaptec [23]94x, aic78x0 SCSI
295 #bha* at pci? dev ? function ? # BusLogic 9xx SCSI
296 #dpt* at pci? dev ? function ? # DPT SmartCache/SmartRAID
297 #isp* at pci? dev ? function ? # Qlogic ISP [12]0x0 SCSI/FibreChannel
298 #mly* at pci? dev ? function ? # Mylex AcceleRAID and eXtremeRAID
299 #siop* at pci? dev ? function ? # NCR 53c8xx SCSI
300
301 # EISA SCSI controllers
302 #ahb* at eisa? slot ? # Adaptec 174[02] SCSI
303 #ahc* at eisa? slot ? # Adaptec 274x, aic7770 SCSI
304 #bha* at eisa? slot ? # BusLogic 7xx SCSI
305 #dpt* at eisa? slot ? # DPT SmartCache/SmartRAID
306 #uha* at eisa? slot ? # UltraStor 24f SCSI
307
308 # PCMCIA SCSI controllers
309 #aic* at pcmcia? function ? # Adaptec APA-1460 SCSI
310
311 # ISA Plug-and-Play SCSI controllers
312 #aic* at isapnp? # Adaptec AHA-1520B
313
314 # ISA SCSI controllers
315 #aha0 at isa? port 0x330 irq ? drq ? # Adaptec 154[02] SCSI
316 #aha1 at isa? port 0x334 irq ? drq ?
317 #ahc0 at isa? port ? irq ? # Adaptec 284x SCSI
318 #aic0 at isa? port 0x340 irq 11 # Adaptec 152[02] SCSI
319 #bha0 at isa? port 0x330 irq ? drq ? # BusLogic [457]4X SCSI
320 #bha1 at isa? port 0x334 irq ? drq ?
321 # The "nca" and "dpt" probes might give false hits or hang your machine.
322 #dpt0 at isa? port 0x170 irq ? drq ? # DPT SmartCache/SmartRAID
323 #nca0 at isa? port 0x360 irq 15 # Port-mapped NCR 53C80 controller
324 #nca1 at isa? iomem 0xd8000 irq 5 # Memory-mapped controller (T128, etc.)
325 #sea0 at isa? iomem 0xc8000 irq 5 # Seagate/Future Domain SCSI
326 #uha0 at isa? port 0x330 irq ? drq ? # UltraStor [13]4f SCSI
327 #uha1 at isa? port 0x340 irq ? drq ?
328 #wds0 at isa? port 0x350 irq 15 drq 6 # WD7000 and TMC-7000 controllers
329 #wds1 at isa? port 0x358 irq 11 drq 5
330
331 # SCSI bus support
332 #scsibus* at scsi?
333
334 # SCSI devices
335 #sd* at scsibus? target ? lun ? # SCSI disk drives
336 #st* at scsibus? target ? lun ? # SCSI tape drives
337 #cd* at scsibus? target ? lun ? # SCSI CD-ROM drives
338 #ch* at scsibus? target ? lun ? # SCSI autochangers
339 #ss* at scsibus? target ? lun ? # SCSI scanners
340 #uk* at scsibus? target ? lun ? # SCSI unknown
341
342
343 # RAID controllers and devices
344 #aac* at pci? dev ? function ? # Adaptec AAC family
345 #cac* at eisa? slot ? # Compaq EISA array controllers
346 #cac* at pci? dev ? function ? # Compaq PCI array controllers
347 #ciss* at pci? dev ? function ? # HP Smart Array controllers
348 #icp* at pci? dev ? function ? # ICP-Vortex GDT & Intel RAID
349 #mlx* at pci? dev ? function ? # Mylex DAC960 & DEC SWXCR family
350 #mlx* at eisa? slot ? # Mylex DAC960 & DEC SWXCR family
351 #twe* at pci? dev ? function ? # 3ware Escalade RAID controllers
352
353 #ld* at aac? unit ? # logical disk devices
354 #ld* at cac? unit ?
355 #ld* at icp? unit ?
356 #ld* at twe? unit ?
357 #ld* at mlx? unit ?
358
359 #icpsp* at icp? unit ? # SCSI pass-through
360
361
362 # IDE and related devices
363
364 # PCMCIA IDE controllers
365 wdc* at pcmcia? function ?
366
367 # ST506, ESDI, and ISA IDE controllers
368 # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
369 # fall back to 16bits I/O if 32bits I/O are not functional).
370 # Some controllers pass the initial 32bit test, but will fail later.
371 wdc0 at isa? port 0x1f0 irq 14 flags 0x00
372 wdc1 at isa? port 0x170 irq 15 flags 0x00
373
374 # ATA (IDE) bus support
375 atabus* at ata?
376
377 # IDE drives
378 wd* at atabus? drive ? # the drives themselves
379
380 # ATAPI bus support
381 atapibus* at atapi?
382
383 # ATAPI devices
384 cd* at atapibus? drive ? # ATAPI CD-ROM drives
385 #sd* at atapibus? drive ? # ATAPI disk drives
386
387
388 # Miscellaneous mass storage devices
389
390 # ISA floppy
391 fdc0 at isa? port 0x3f0 irq 6 drq 2 # standard PC floppy controllers
392 #fdc1 at isa? port 0x370 irq ? drq ?
393 fd* at fdc? drive ? # the drives themselves
394 # some machines need you to do this instead of fd*
395 #fd0 at fdc0 drive 0
396
397 # ISA CD-ROM devices
398 #mcd0 at isa? port 0x300 irq 10 # Mitsumi CD-ROM drives
399
400 # ISA tape devices
401 # note: the wt driver conflicts unpleasantly with ed devices at the
402 # same I/O address. The probe reprograms their EEPROMs. Don't
403 # uncomment it unless you are actually using it.
404 #wt0 at isa? port 0x308 irq 5 drq 1 # Archive and Wangtek QIC tape drives
405
406
407 # Network Interfaces
408
409 # PCI network interfaces
410 #en* at pci? dev ? function ? # ENI/Adaptec ATM
411 #ep* at pci? dev ? function ? # 3Com 3c59x/3c90x Ethernet
412 #fpa* at pci? dev ? function ? # DEC DEFPA FDDI
413 #fxp* at pci? dev ? function ? # Intel EtherExpress PRO 10+/100B
414 #le* at pci? dev ? function ? # PCnet-PCI Ethernet
415 #ne* at pci? dev ? function ? # NE2000-compatible Ethernet
416 #tl* at pci? dev ? function ? # ThunderLAN-based Ethernet
417 #tlp* at pci? dev ? function ? # DECchip 21x4x and clones
418
419 # EISA network interfaces
420 #ep* at eisa? slot ? # 3Com 3c579 Ethernet
421 #fea* at eisa? slot ? # DEC DEFEA FDDI
422
423 # ISA Plug-and-Play network interfaces
424 #ep* at isapnp? # 3Com 3c509 Ethernet
425 #ne* at isapnp? # NE2000-compatible Ethernet
426
427 # PCMCIA network interfaces
428 ep* at pcmcia? function ? # 3Com 3c589 and 3c562 Ethernet
429 mbe* at pcmcia? function ? # MB8696x based Ethernet
430 ne* at pcmcia? function ? # NE2000-compatible Ethernet
431 sm* at pcmcia? function ? # Megahertz Ethernet
432
433 # ISA network interfaces
434 ate0 at isa? port 0x2a0 irq ? # AT1700
435 ec0 at isa? port 0x250 iomem 0xd8000 irq 9 # 3Com 3c503 Ethernet
436 #eg0 at isa? port 0x280 irq 9 # 3C505 ethernet cards
437 #el0 at isa? port 0x300 irq 9 # 3C501 ethernet cards
438 ep0 at isa? port ? irq ? # 3C509 ethernet cards
439 #ef0 at isa? port 0x360 iomem 0xd0000 irq 7 # 3C507
440 ai0 at isa? port 0x360 iomem 0xd0000 irq 7 # StarLAN
441 fmv0 at isa? port 0x2a0 irq ? # FMV-180 series
442 ix0 at isa? port 0x300 irq 10 # EtherExpress/16
443 iy0 at isa? port 0x360 irq ? # EtherExpress PRO 10 ISA
444 lc0 at isa? port 0x320 iomem ? irq ? # DEC EtherWORKS III (LEMAC)
445 #depca0 at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5 # DEPCA
446 #le* at depca?
447 #nele0 at isa? port 0x320 irq 9 drq 7 # NE2100
448 #le* at nele?
449 #bicc0 at isa? port 0x320 irq 10 drq 7 # BICC IsoLan
450 #le* at bicc?
451 ne0 at isa? port 0x280 irq 9 # NE[12]000 ethernet cards
452 ne1 at isa? port 0x300 irq 10
453 sm0 at isa? port 0x300 irq 10 # SMC91C9x Ethernet
454 we0 at isa? port 0x280 iomem 0xd0000 irq 9 # WD/SMC Ethernet
455 we1 at isa? port 0x300 iomem 0xcc000 irq 10
456
457 # MII bus support
458 #mii* at tl?
459
460 # MII PHY network interfaces
461 #tlphy* at mii? dev ? # ThunderLAN PHYs
462 #nsphy* at mii? dev ? # NS and compatible PHYs
463 #ukphy* at mii? phy ? # generic unknown PHYs
464
465
466 # Audio Devices
467
468 # ISA Plug-and-Play audio devices
469 #guspnp* at isapnp? # Gravis Ultra Sound PnP audio
470 #sb* at isapnp? # SoundBlaster-compatible audio
471
472 # ISA audio devices
473 #gus0 at isa? port 0x220 irq 7 drq 1 drq2 6 # Gravis Ultra Sound
474 #pas0 at isa? port 0x220 irq 7 drq 1 # ProAudio Spectrum
475 #sb0 at isa? port 0x220 irq 7 drq 1 drq2 5 # SoundBlaster
476 #wss0 at isa? port 0x530 irq 10 drq 0 drq2 1 # Windows Sound System
477
478 # Audio support
479 #audio* at audiobus?
480
481 # The spkr driver provides a simple tone interface to the built in speaker.
482 #spkr0 at pcppi? # PC speaker
483
484
485 # Joysticks
486
487 # ISA Plug-and-Play joysticks
488 #joy* at isapnp? # Game ports (usually on audio cards)
489
490 # ISA joysticks. Probe is a little strange; add only if you have one.
491 #joy0 at isa? port 0x201
492
493
494 # Miscellaneous Devices
495
496 # Planetconnect Satellite receiver driver.
497 #satlink0 at isa? port 0x300 drq 1
498
499
500 # Pull in optional local configuration
501 cinclude "arch/i386/conf/INSTALL.local"
502
503
504 # Pseudo-Devices
505
506 # disk/mass storage pseudo-devices
507 #pseudo-device ccd 4 # concatenated/striped disk devices
508 #pseudo-device fss 4 # file system snapshot device
509 pseudo-device md 1 # memory disk device (ramdisk)
510 #pseudo-device vnd # disk-like interface to files
511
512 # network pseudo-devices
513 #pseudo-device bpfilter # Berkeley packet filter
514 #pseudo-device ipfilter # IP filter (firewall) and NAT
515 pseudo-device loop # network loopback
516 #pseudo-device ppp # Point-to-Point Protocol
517 #pseudo-device sl # Serial Line IP
518 #pseudo-device strip # Starmode Radio IP (Metricom)
519 #pseudo-device tun # network tunneling over tty
520
521 # miscellaneous pseudo-devices
522 pseudo-device pty 2 # pseudo-terminals (Sysinst needs two)
523 options NO_DEV_PTM
524 #pseudo-device rnd # /dev/random and in-kernel generator
525 #options RND_COM # use "com" randomness as well (BROKEN)
526