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INSTALL_TINY revision 1.71.2.9
      1 #	$NetBSD: INSTALL_TINY,v 1.71.2.9 2005/11/10 13:56:32 skrll Exp $
      2 #
      3 #	INSTALL_TINY - Tiny Installation kernel, suitable for 4M machines.
      4 #
      5 #	This kernel should be derived from INSTALL (which is derived
      6 #	from GENERIC) with some features commented out.
      7 #
      8 #	This kernel has been optimized for space. It is targeted towards
      9 #	small memory machines (4M). It has no SCSI, PCI or EISA. It does
     10 #	have pcmcia, for old laptops.
     11 #
     12 
     13 include "arch/i386/conf/std.i386"
     14 
     15 #options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
     16 
     17 makeoptions	COPTS="-Os"		# Optimise for space. Implies -O2
     18 
     19 # Enable the hooks used for initializing the root memory-disk.
     20 options 	MEMORY_DISK_HOOKS
     21 options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     22 options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     23 options 	MEMORY_DISK_ROOT_SIZE=3100	# size of memory disk, in blocks
     24 
     25 maxusers	2		# estimated number of users
     26 
     27 # CPU support.  At least one is REQUIRED.
     28 options 	I386_CPU
     29 #options 	I486_CPU
     30 #options 	I586_CPU
     31 #options 	I686_CPU
     32 
     33 # CPU-related options.
     34 options 	MATH_EMULATE	# floating point emulation
     35 #options 	VM86		# virtual 8086 emulation
     36 #options 	USER_LDT	# user-settable LDT; used by WINE
     37 # insert delay no-ops in interrupts; recommended on very old machines
     38 options 	PIC_DELAY
     39 
     40 # This option allows you to force a serial console at the specified
     41 # I/O address.
     42 #options 	CONSDEVNAME="\"com\"",CONADDR=0x3f8,CONSPEED=9600
     43 
     44 # Save a physical page per process by not setting a kernel stack red zone.
     45 options 	NOREDZONE
     46 
     47 # The following options override the memory sizes passed in from the boot
     48 # block.  Use them *only* if the boot block is unable to determine the correct
     49 # values.  Note that the BIOS may *correctly* report less than 640k of base
     50 # memory if the extended BIOS data area is located at the top of base memory
     51 # (as is the case on most recent systems).
     52 #options 	REALBASEMEM=...	# size of base memory
     53 #options 	REALEXTMEM=...	# size of extended memory
     54 
     55 options 	INSECURE	# disable kernel security levels
     56 
     57 options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
     58 #options 	NTP		# NTP phase/frequency locked loop
     59 
     60 #options 	KTRACE		# system call tracing via ktrace(1)
     61 
     62 #options 	SYSVSEM		# System V-like semaphores
     63 #options 	SYSVSHM		# System V-like memory sharing
     64 #options 	SHMMAXPGS=2048	# 2048 pages is the default
     65 
     66 #options 	LKM		# loadable kernel modules
     67 
     68 #options 	USERCONF	# userconf(4) support
     69 options 	PIPE_SOCKETPAIR		# smaller, but slower pipe(2)
     70 #options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     71 options 	MALLOC_NOINLINE		# Not inlining MALLOC saves memory
     72 no options	EXEC_AOUT	# we don't a.out support
     73 
     74 # Diagnostic/debugging support options
     75 #options 	DIAGNOSTIC	# expensive kernel consistency checks
     76 #options 	DEBUG		# expensive debugging checks/support
     77 #options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
     78 #options 	DDB		# in-kernel debugger
     79 #options 	DDB_ONPANIC=1	# see also sysctl(8): `ddb.onpanic'
     80 #options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
     81 #options 	KGDB		# remote debugger
     82 #options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
     83 #makeoptions	DEBUG="-g"	# compile full symbol table
     84 
     85 # Compatibility options
     86 #options 	COMPAT_NOMID	# NetBSD 0.8, 386BSD, and BSDI
     87 #options 	COMPAT_09	# NetBSD 0.9
     88 #options 	COMPAT_10	# NetBSD 1.0
     89 #options 	COMPAT_11	# NetBSD 1.1
     90 #options 	COMPAT_12	# NetBSD 1.2, 386BSD, and BSDI
     91 #options 	COMPAT_13	# NetBSD 1.3, 386BSD, and BSDI
     92 #options 	COMPAT_14	# NetBSD 1.4
     93 #options 	COMPAT_15	# NetBSD 1.5
     94 #options 	COMPAT_16	# NetBSD 1.6
     95 #options 	COMPAT_20	# NetBSD 2.0
     96 #options 	COMPAT_30	# NetBSD 3.0 compatibility.
     97 #options 	COMPAT_43	# 4.3BSD, 386BSD, and BSDI
     98 options 	COMPAT_386BSD_MBRPART # recognize old partition ID
     99 #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
    100 
    101 #options 	COMPAT_SVR4	# binary compatibility with SVR4
    102 #options 	COMPAT_IBCS2	# binary compatibility with SCO and ISC
    103 #options 	COMPAT_LINUX	# binary compatibility with Linux
    104 #options 	COMPAT_FREEBSD	# binary compatibility with FreeBSD
    105 options		COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.
    106 
    107 # File systems
    108 file-system 	FFS		# UFS
    109 #file-system 	EXT2FS		# second extended file system (linux)
    110 #file-system 	LFS		# log-structured file system
    111 #file-system 	MFS		# memory file system
    112 file-system 	NFS		# Network File System client
    113 file-system 	CD9660		# ISO 9660 + Rock Ridge file system
    114 file-system 	MSDOSFS		# MS-DOS file system
    115 #file-system 	FDESC		# /dev/fd
    116 #file-system 	KERNFS		# /kern
    117 #file-system 	NULLFS		# loopback file system
    118 #file-system 	PORTAL		# portal filesystem (still experimental)
    119 #file-system 	PROCFS		# /proc
    120 #file-system 	UMAPFS		# NULLFS + uid and gid remapping
    121 #file-system 	UNION		# union file system
    122 #file-system	PTYFS		# /dev/pts/N support
    123 #file-system	TMPFS		# experimental - Efficient memory file-system
    124 
    125 # Filesystem options
    126 #options 	QUOTA		# UFS quotas
    127 #options 	NFSSERVER	# Network File System server
    128 options 	NFS_V2_ONLY	# Exclude NFS3 and NQNFS code to save space
    129 options 	VNODE_OP_NOINLINE	# Not inlining vnode op calls saves mem
    130 options 	FFS_NO_SNAPSHOT	# ffs snapshots
    131 #options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
    132 				# immutable) behave as system flags.
    133 
    134 # Networking options
    135 #options 	GATEWAY		# packet forwarding
    136 options 	INET		# IP + ICMP + TCP + UDP
    137 #options 	MROUTING	# IP multicast routing
    138 #options 	PIM		# Protocol Independent Multicast
    139 #options 	NS		# XNS
    140 #options 	NSIP		# XNS tunneling over IP
    141 #options 	ISO,TPIP	# OSI
    142 #options 	EON		# OSI tunneling over IP
    143 #options 	CCITT,LLC,HDLC	# X.25
    144 #options 	NETATALK	# AppleTalk networking protocols
    145 #options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
    146 #options 	PPP_DEFLATE	# Deflate compression support for PPP
    147 #options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
    148 #options 	PFIL_HOOKS	# pfil(9) packet filter hooks
    149 #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    150 
    151 # These options enable verbose messages for several subsystems.
    152 # Warning, these may compile large string tables into the kernel!
    153 #options 	EISAVERBOSE	# verbose EISA device autoconfig messages
    154 #options 	PCIVERBOSE	# verbose PCI device autoconfig messages
    155 #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    156 #options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
    157 #options 	SCSIVERBOSE	# human readable SCSI error messages
    158 #options 	I2OVERBOSE	# verbose I2O driver messages
    159 
    160 # Squeeze...
    161 options 	NVNODE=50
    162 options 	NBUF=20
    163 options 	BUFPAGES=20
    164 options 	NMBCLUSTERS=64
    165 
    166 # Kernel root file system and dump configuration.
    167 config		netbsd	root on ? type ?
    168 #config		netbsd	root on sd0a type ffs
    169 #config		netbsd	root on ? type nfs
    170 
    171 #
    172 # Device configuration
    173 #
    174 
    175 mainbus0 at root
    176 cpu0	at mainbus0
    177 #apm0	at mainbus0			# Advanced power management
    178 
    179 
    180 # Basic Bus Support
    181 
    182 # PCI bus support
    183 #pci*	at mainbus? bus ?
    184 #pci*	at pchb? bus ?
    185 #pci*	at ppb? bus ?
    186 
    187 # PCI bridges
    188 #pchb*	at pci? dev ? function ?	# PCI-Host bridges
    189 #pceb*	at pci? dev ? function ?	# PCI-EISA bridges
    190 #pcib*	at pci? dev ? function ?	# PCI-ISA bridges
    191 #ppb*	at pci? dev ? function ?	# PCI-PCI bridges
    192 # XXX 'puc's aren't really bridges, but there's no better place for them here
    193 #puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
    194 
    195 # As well as 5 and 7, avoid irq 4 and 3 because we do not probe com* here
    196 options 	PCIC_ISA_INTR_ALLOC_MASK=0xff47
    197 
    198 # PCMCIA bus support
    199 pcmcia* at pcic? controller ? socket ?
    200 #pcmcia* at tcic? controller ? socket ?
    201 
    202 # ISA PCMCIA controllers
    203 pcic0	at isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
    204 pcic1	at isa? port 0x3e2 iomem 0xe0000 iosiz 0x4000
    205 
    206 # EISA bus support
    207 #eisa0	at mainbus?
    208 #eisa0	at pceb?
    209 
    210 # ISA bus support
    211 isa0	at mainbus?
    212 #isa0	at pceb?
    213 #isa0	at pcib?
    214 
    215 # ISA Plug-and-Play bus support
    216 #isapnp0	at isa?
    217 
    218 # Coprocessor Support
    219 
    220 # Math Coprocessor support
    221 npx0	at isa? port 0xf0 irq 13	# x86 math coprocessor
    222 
    223 
    224 # Console Devices
    225 
    226 # ISA console
    227 pc0	at isa? port 0x60 irq 1		# pccons generic PC console driver
    228 
    229 #attimer0	at isa?
    230 #pcppi0	at isa?
    231 #sysbeep0	at pcppi?
    232 
    233 
    234 # Serial Devices
    235 
    236 # PCI serial interfaces
    237 #com*	at puc? port ?			# 16x50s on "universal" comm boards
    238 #cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
    239 
    240 # ISA Plug-and-Play serial interfaces
    241 #com*	at isapnp?			# Modems and serial boards
    242 
    243 # PCMCIA serial interfaces
    244 #com*	at pcmcia? function ?		# Modems and serial cards
    245 
    246 # ISA serial interfaces
    247 #options 	COM_HAYESP		# adds Hayes ESP serial board support
    248 #com0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
    249 #com1	at isa? port 0x2f8 irq 3
    250 #com2	at isa? port 0x3e8 irq 5
    251 #com3	at isa? port 0x2e8 irq 9
    252 #ast0	at isa? port 0x1a0 irq 5	# AST 4-port serial cards
    253 #com*	at ast? slave ?
    254 #boca0	at isa? port 0x100 irq 5	# BOCA 8-port serial cards
    255 #com*	at boca? slave ?
    256 #rtfps0	at isa? port 0x1230 irq 10	# RT 4-port serial cards
    257 #com*	at rtfps? slave ?
    258 #cy0	at isa? iomem 0xd4000 irq 12	# Cyclades serial cards
    259 
    260 
    261 # Parallel Printer Interfaces
    262 
    263 # PCI parallel printer interfaces
    264 #lpt*	at puc? port ?			# || ports on "universal" comm boards
    265 
    266 # ISA parallel printer interfaces
    267 #lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
    268 #lpt1	at isa? port 0x278
    269 #lpt2	at isa? port 0x3bc
    270 
    271 # I2O devices
    272 #iop*	at pci? dev ? function ?	# I/O processor
    273 #iopsp*	at iop? tid ?			# SCSI/FC-AL ports
    274 #ld*	at iop? tid ?			# block devices
    275 #dpti*	at iop? tid 0			# DPT/Adaptec control interface
    276 
    277 # SCSI Controllers and Devices
    278 
    279 # PCI SCSI controllers
    280 #ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
    281 #bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
    282 #dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID
    283 #isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
    284 #mly*	at pci? dev ? function ?	# Mylex AcceleRAID and eXtremeRAID
    285 #siop*	at pci? dev ? function ?	# NCR 53c8xx SCSI
    286 
    287 # EISA SCSI controllers
    288 #ahb*	at eisa? slot ?			# Adaptec 174[02] SCSI
    289 #ahc*	at eisa? slot ?			# Adaptec 274x, aic7770 SCSI
    290 #bha*	at eisa? slot ?			# BusLogic 7xx SCSI
    291 #dpt*	at eisa? slot ?			# DPT SmartCache/SmartRAID
    292 #uha*	at eisa? slot ?			# UltraStor 24f SCSI
    293 
    294 # PCMCIA SCSI controllers
    295 #aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI
    296 
    297 # ISA Plug-and-Play SCSI controllers
    298 #aic*	at isapnp?			# Adaptec AHA-1520B
    299 
    300 # ISA SCSI controllers
    301 #aha0	at isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI
    302 #aha1	at isa? port 0x334 irq ? drq ?
    303 #ahc0	at isa? port ? irq ?		# Adaptec 284x SCSI
    304 #aic0	at isa? port 0x340 irq 11	# Adaptec 152[02] SCSI
    305 #bha0	at isa? port 0x330 irq ? drq ?	# BusLogic [457]4X SCSI
    306 #bha1	at isa? port 0x334 irq ? drq ?
    307 # The "nca" and "dpt" probes might give false hits or hang your machine.
    308 #dpt0	at isa? port 0x170 irq ? drq ?	# DPT SmartCache/SmartRAID
    309 #nca0	at isa? port 0x360 irq 15	# Port-mapped NCR 53C80 controller
    310 #nca1	at isa? iomem 0xd8000 irq 5	# Memory-mapped controller (T128, etc.)
    311 #sea0	at isa? iomem 0xc8000 irq 5	# Seagate/Future Domain SCSI
    312 #uha0	at isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI
    313 #uha1	at isa? port 0x340 irq ? drq ?
    314 #wds0	at isa? port 0x350 irq 15 drq 6	# WD7000 and TMC-7000 controllers
    315 #wds1	at isa? port 0x358 irq 11 drq 5
    316 
    317 # SCSI bus support
    318 #scsibus* at scsi?
    319 
    320 # SCSI devices
    321 #sd*	at scsibus? target ? lun ?	# SCSI disk drives
    322 #st*	at scsibus? target ? lun ?	# SCSI tape drives
    323 #cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
    324 #ch*	at scsibus? target ? lun ?	# SCSI autochangers
    325 #ss*	at scsibus? target ? lun ?	# SCSI scanners
    326 #uk*	at scsibus? target ? lun ?	# SCSI unknown
    327 
    328 
    329 # RAID controllers and devices
    330 #aac*	at pci? dev ? function ?	# Adaptec AAC family
    331 #cac*	at eisa? slot ?			# Compaq EISA array controllers
    332 #cac*	at pci? dev ? function ?	# Compaq PCI array controllers
    333 #icp*	at pci? dev ? function ?	# ICP-Vortex GDT & Intel RAID
    334 #mlx*	at pci? dev ? function ?	# Mylex DAC960 & DEC SWXCR family
    335 #mlx*	at eisa? slot ?			# Mylex DAC960 & DEC SWXCR family
    336 #twe*	at pci? dev ? function ?	# 3ware Escalade RAID controllers
    337 
    338 #ld*	at aac? unit ?			# logical disk devices
    339 #ld*	at cac? unit ?
    340 #ld*	at icp? unit ?
    341 #ld*	at twe? unit ?
    342 #ld*	at mlx? unit ?
    343 
    344 #icpsp*	at icp? unit ?			# SCSI pass-through
    345 
    346 
    347 # IDE and related devices
    348 
    349 # PCMCIA IDE controllers
    350 wdc* 	at pcmcia? function ?
    351 
    352 # ST506, ESDI, and ISA IDE controllers
    353 # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
    354 # fall back to 16bits I/O if 32bits I/O are not functional).
    355 # Some controllers pass the initial 32bit test, but will fail later.
    356 wdc0	at isa? port 0x1f0 irq 14 flags 0x00
    357 wdc1	at isa? port 0x170 irq 15 flags 0x00
    358 
    359 # ATA (IDE) bus support
    360 atabus* at ata?
    361 
    362 # IDE drives
    363 wd*	at atabus? drive ?		# the drives themselves
    364 
    365 # ATAPI bus support
    366 atapibus* at atapi?
    367 
    368 # ATAPI devices
    369 cd*	at atapibus? drive ?		# ATAPI CD-ROM drives
    370 #sd*	at atapibus? drive ?		# ATAPI disk drives
    371 
    372 
    373 # Miscellaneous mass storage devices
    374 
    375 # ISA floppy
    376 fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
    377 #fdc1	at isa? port 0x370 irq ? drq ?
    378 fd*	at fdc? drive ?			# the drives themselves
    379 # some machines need you to do this instead of fd*
    380 #fd0	at fdc0 drive 0
    381 
    382 # ISA CD-ROM devices
    383 #mcd0	at isa? port 0x300 irq 10	# Mitsumi CD-ROM drives
    384 
    385 # ISA tape devices
    386 # note: the wt driver conflicts unpleasantly with ed devices at the
    387 # same I/O address. The probe reprograms their EEPROMs. Don't
    388 # uncomment it unless you are actually using it.
    389 #wt0	at isa? port 0x308 irq 5 drq 1	# Archive and Wangtek QIC tape drives
    390 
    391 
    392 # Network Interfaces
    393 
    394 # PCI network interfaces
    395 #en*	at pci? dev ? function ?	# ENI/Adaptec ATM
    396 #ep*	at pci? dev ? function ?	# 3Com 3c59x/3c90x Ethernet
    397 #fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
    398 #fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
    399 #le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
    400 #ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet
    401 #tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
    402 #tlp*	at pci? dev ? function ?	# DECchip 21x4x and clones
    403 
    404 # EISA network interfaces
    405 #ep*	at eisa? slot ?			# 3Com 3c579 Ethernet
    406 #fea*	at eisa? slot ?			# DEC DEFEA FDDI
    407 
    408 # ISA Plug-and-Play network interfaces
    409 #ep*	at isapnp?			# 3Com 3c509 Ethernet
    410 #ne*	at isapnp?			# NE2000-compatible Ethernet
    411 
    412 # PCMCIA network interfaces
    413 ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
    414 mbe*	at pcmcia? function ?		# MB8696x based Ethernet
    415 ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
    416 sm*	at pcmcia? function ?		# Megahertz Ethernet
    417 
    418 # ISA network interfaces
    419 ate0	at isa? port 0x2a0 irq ?		# AT1700
    420 ec0	at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
    421 #eg0	at isa? port 0x280 irq 9		# 3C505 ethernet cards
    422 #el0	at isa? port 0x300 irq 9		# 3C501 ethernet cards
    423 ep0	at isa? port ? irq ?			# 3C509 ethernet cards
    424 #ef0	at isa? port 0x360 iomem 0xd0000 irq 7	# 3C507
    425 ai0	at isa? port 0x360 iomem 0xd0000 irq 7	# StarLAN
    426 fmv0	at isa? port 0x2a0 irq ?		# FMV-180 series
    427 ix0	at isa? port 0x300 irq 10		# EtherExpress/16
    428 iy0	at isa? port 0x360 irq ?		# EtherExpress PRO 10 ISA
    429 lc0	at isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
    430 #depca0	at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5	# DEPCA
    431 #le*	at depca?
    432 #nele0	at isa? port 0x320 irq 9 drq 7		# NE2100
    433 #le*	at nele?
    434 #bicc0	at isa? port 0x320 irq 10 drq 7		# BICC IsoLan
    435 #le*	at bicc?
    436 ne0	at isa? port 0x280 irq 9		# NE[12]000 ethernet cards
    437 ne1	at isa? port 0x300 irq 10
    438 sm0	at isa? port 0x300 irq 10		# SMC91C9x Ethernet
    439 we0	at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
    440 we1	at isa? port 0x300 iomem 0xcc000 irq 10
    441 
    442 # MII bus support
    443 #mii*	at tl?
    444 
    445 # MII PHY network interfaces
    446 #tlphy*	at mii? dev ?			# ThunderLAN PHYs
    447 #nsphy*	at mii? dev ?			# NS and compatible PHYs
    448 #ukphy*	at mii? phy ?			# generic unknown PHYs
    449 
    450 
    451 # Audio Devices
    452 
    453 # ISA Plug-and-Play audio devices
    454 #guspnp*	at isapnp?			# Gravis Ultra Sound PnP audio
    455 #sb*	at isapnp?			# SoundBlaster-compatible audio
    456 
    457 # ISA audio devices
    458 #gus0	at isa? port 0x220 irq 7 drq 1 drq2 6	# Gravis Ultra Sound
    459 #pas0	at isa? port 0x220 irq 7 drq 1		# ProAudio Spectrum
    460 #sb0	at isa? port 0x220 irq 7 drq 1 drq2 5	# SoundBlaster
    461 #wss0	at isa? port 0x530 irq 10 drq 0	drq2 1	# Windows Sound System
    462 
    463 # Audio support
    464 #audio*	at audiobus?
    465 
    466 # The spkr driver provides a simple tone interface to the built in speaker.
    467 #spkr0	at pcppi?		# PC speaker
    468 
    469 
    470 # Joysticks
    471 
    472 # ISA Plug-and-Play joysticks
    473 #joy*	at isapnp?			# Game ports (usually on audio cards)
    474 
    475 # ISA joysticks. Probe is a little strange; add only if you have one.
    476 #joy0	at isa? port 0x201
    477 
    478 
    479 # Miscellaneous Devices
    480 
    481 # Planetconnect Satellite receiver driver.
    482 #satlink0 at isa? port 0x300 drq 1
    483 
    484 
    485 # Pull in optional local configuration
    486 include	"arch/i386/conf/GENERIC.local"
    487 
    488 
    489 # Pseudo-Devices
    490 
    491 # disk/mass storage pseudo-devices
    492 #pseudo-device	ccd		4	# concatenated/striped disk devices
    493 #pseudo-device	fss		4	# file system snapshot device
    494 pseudo-device	md		1	# memory disk device (ramdisk)
    495 #pseudo-device	vnd		4	# disk-like interface to files
    496 
    497 # network pseudo-devices
    498 #pseudo-device	bpfilter	8	# Berkeley packet filter
    499 #pseudo-device	ipfilter		# IP filter (firewall) and NAT
    500 pseudo-device	loop			# network loopback
    501 #pseudo-device	ppp		2	# Point-to-Point Protocol
    502 #pseudo-device	sl		2	# Serial Line IP
    503 #pseudo-device	strip		2	# Starmode Radio IP (Metricom)
    504 #pseudo-device	tun		2	# network tunneling over tty
    505 
    506 # miscellaneous pseudo-devices
    507 pseudo-device	pty		2	# pseudo-terminals (Sysinst needs two)
    508 options	NO_DEV_PTM
    509 #pseudo-device	tb		1	# tablet line discipline
    510 #pseudo-device	rnd			# /dev/random and in-kernel generator
    511 #options 	RND_COM			# use "com" randomness as well (BROKEN)
    512