Home | History | Annotate | Line # | Download | only in conf
INSTALL revision 1.191
      1  1.191   mycroft #	$NetBSD: INSTALL,v 1.191 2002/04/15 15:00:18 mycroft Exp $
      2    1.2       tls #
      3   1.54   thorpej #	INSTALL - Installation kernel.
      4    1.2       tls #
      5   1.54   thorpej #	This kernel should be derived from GENERIC with some features
      6   1.54   thorpej #	commented out.
      7   1.54   thorpej #
      8   1.54   thorpej #	This kernel does NOT support X, mice, audio devices, non-NetBSD
      9   1.37     perry #	emulation.
     10   1.54   thorpej #
     11    1.2       tls 
     12   1.25      fvdl include "arch/i386/conf/std.i386"
     13    1.2       tls 
     14  1.178     lukem makeoptions	COPTS="-Os"		# Optimise for space. Implies -O2
     15  1.153       abs 
     16   1.54   thorpej # Enable the hooks used for initializing the root memory-disk.
     17   1.54   thorpej options 	MEMORY_DISK_HOOKS
     18   1.54   thorpej options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     19   1.54   thorpej options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     20  1.188     lukem options 	MEMORY_DISK_ROOT_SIZE=4096	# size of memory disk, in blocks
     21  1.188     lukem #options 	MEMORY_DISK_ROOT_SIZE=2880	# 1.44M, same as a floppy
     22   1.54   thorpej 
     23   1.54   thorpej maxusers	32		# estimated number of users
     24   1.54   thorpej 
     25   1.54   thorpej # CPU support.  At least one is REQUIRED.
     26   1.54   thorpej options 	I386_CPU
     27   1.39    mellon options 	I486_CPU
     28   1.39    mellon options 	I586_CPU
     29   1.86     enami options 	I686_CPU
     30   1.54   thorpej 
     31   1.54   thorpej # CPU-related options.
     32  1.101       rvb options 	MATH_EMULATE	# floating point emulation
     33   1.50   mycroft #options 	VM86		# virtual 8086 emulation
     34   1.50   mycroft #options 	USER_LDT	# user-settable LDT; used by WINE
     35   1.56     perry # eliminate delay no-ops in I/O; recommended on all but very old machines
     36   1.56     perry #options 	DUMMY_NOPS
     37   1.54   thorpej 
     38   1.54   thorpej # Misc. i386-specific options
     39   1.54   thorpej #options 	XSERVER		# X server support in console drivers
     40   1.54   thorpej 
     41   1.54   thorpej # This option allows you to force a serial console at the specified
     42   1.54   thorpej # I/O address.
     43  1.178     lukem #options 	CONSDEVNAME="\"com\"",CONADDR=0x3f8,CONSPEED=9600
     44    1.7   thorpej 
     45   1.49   mycroft # The following options override the memory sizes passed in from the boot
     46   1.49   mycroft # block.  Use them *only* if the boot block is unable to determine the correct
     47   1.55     perry # values.  Note that the BIOS may *correctly* report less than 640k of base
     48   1.49   mycroft # memory if the extended BIOS data area is located at the top of base memory
     49   1.49   mycroft # (as is the case on most recent systems).
     50   1.49   mycroft #options 	REALBASEMEM=...	# size of base memory
     51   1.49   mycroft #options 	REALEXTMEM=...	# size of extended memory
     52  1.102      marc 
     53  1.102      marc # Avoid irq 5 and 7, the most likely cause of problems on modern laptops.
     54  1.154       abs options 		PCIC_ISA_INTR_ALLOC_MASK=0xff5f
     55    1.2       tls 
     56   1.54   thorpej # Standard system options
     57   1.54   thorpej 
     58   1.54   thorpej #options 	UCONSOLE	# users can use TIOCCONS (for xconsole)
     59   1.54   thorpej options 	INSECURE	# disable kernel security levels
     60    1.2       tls 
     61   1.39    mellon options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
     62   1.39    mellon #options 	NTP		# NTP phase/frequency locked loop
     63    1.2       tls 
     64   1.47     mikel #options 	KTRACE		# system call tracing via ktrace(1)
     65    1.2       tls 
     66   1.39    mellon #options 	SYSVMSG		# System V-like message queues
     67   1.39    mellon #options 	SYSVSEM		# System V-like semaphores
     68   1.39    mellon #options 	SYSVSHM		# System V-like memory sharing
     69   1.39    mellon #options 	SHMMAXPGS=1024	# 1024 pages is the default
     70   1.39    mellon 
     71   1.54   thorpej #options 	LKM		# loadable kernel modules
     72  1.182  jdolecek 
     73  1.189  gmcgarry #options 	USERCONF	# userconf(4) support
     74  1.182  jdolecek options		PIPE_SOCKETPAIR	# smaller, but slower pipe(2)
     75   1.89   thorpej 
     76   1.54   thorpej # Diagnostic/debugging support options
     77  1.164      fvdl #options 	DIAGNOSTIC	# expensive kernel consistency checks
     78   1.54   thorpej #options 	DEBUG		# expensive debugging checks/support
     79   1.54   thorpej #options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
     80  1.108        he options 	DDB		# in-kernel debugger
     81  1.144   hubertf #options 	DDB_ONPANIC=1	# see also sysctl(8): `ddb.onpanic'
     82  1.149   mycroft options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
     83   1.54   thorpej #options 	KGDB		# remote debugger
     84  1.177     lukem #options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
     85  1.178     lukem #makeoptions	DEBUG="-g"	# compile full symbol table
     86   1.54   thorpej 
     87   1.61     mikel # Compatibility options
     88   1.39    mellon #options 	COMPAT_NOMID	# compatibility with 386BSD, BSDI, NetBSD 0.8,
     89   1.39    mellon #options 	COMPAT_09	# NetBSD 0.9,
     90  1.101       rvb options 	COMPAT_10	# NetBSD 1.0,
     91  1.101       rvb options 	COMPAT_11	# NetBSD 1.1,
     92  1.101       rvb options 	COMPAT_12	# NetBSD 1.2,
     93  1.101       rvb options 	COMPAT_13	# NetBSD 1.3,
     94  1.121  augustss options 	COMPAT_14	# NetBSD 1.4,
     95   1.39    mellon #options 	COMPAT_43	# and 4.3BSD
     96   1.84     veego options 	COMPAT_386BSD_MBRPART # recognize old partition ID
     97  1.169       abs #options 	TCP_COMPAT_42	# 4.2BSD TCP/IP bug compat. Not recommended.
     98   1.39    mellon 
     99   1.39    mellon #options 	COMPAT_SVR4	# binary compatibility with SVR4
    100   1.39    mellon #options 	COMPAT_IBCS2	# binary compatibility with SCO and ISC
    101   1.39    mellon #options 	COMPAT_LINUX	# binary compatibility with Linux
    102   1.39    mellon #options 	COMPAT_FREEBSD	# binary compatibility with FreeBSD
    103    1.2       tls 
    104   1.54   thorpej # File systems
    105   1.32   thorpej file-system 	FFS		# UFS
    106  1.101       rvb file-system 	EXT2FS		# second extended file system (linux)
    107   1.43     mikel #file-system 	LFS		# log-structured file system
    108   1.32   thorpej file-system 	MFS		# memory file system
    109   1.32   thorpej file-system 	NFS		# Network File System client
    110  1.116  christos file-system 	NTFS		# Windows/NT Filesystem
    111  1.101       rvb file-system 	CD9660		# ISO 9660 + Rock Ridge file system
    112  1.101       rvb file-system 	MSDOSFS		# MS-DOS file system
    113   1.59     perry #file-system 	FDESC		# /dev/fd
    114   1.32   thorpej file-system 	KERNFS		# /kern
    115   1.43     mikel #file-system 	NULLFS		# loopback file system
    116   1.43     mikel #file-system 	PORTAL		# portal filesystem (still experimental)
    117   1.43     mikel #file-system 	PROCFS		# /proc
    118   1.43     mikel #file-system 	UMAPFS		# NULLFS + uid and gid remapping
    119   1.43     mikel #file-system 	UNION		# union file system
    120    1.2       tls 
    121  1.154       abs # Filesystem options
    122   1.39    mellon #options 	QUOTA		# UFS quotas
    123   1.39    mellon #options 	NFSSERVER	# Network File System server
    124  1.154       abs #options 	NFS_V2_ONLY	# Exclude NFS3 and NQNFS code to save space
    125  1.154       abs options 	VNODE_OP_NOINLINE # Save space by not inlining vnode op calls
    126   1.37     perry #options 	EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
    127   1.37     perry 				# immutable) behave as system flags.
    128   1.61     mikel 
    129   1.54   thorpej # Networking options
    130   1.39    mellon #options 	GATEWAY		# packet forwarding
    131   1.39    mellon options 	INET		# IP + ICMP + TCP + UDP
    132  1.134    itojun options 	INET6		# IPv6
    133   1.39    mellon #options 	MROUTING	# IP multicast routing
    134   1.39    mellon #options 	NS		# XNS
    135   1.39    mellon #options 	NSIP		# XNS tunneling over IP
    136   1.39    mellon #options 	ISO,TPIP	# OSI
    137   1.39    mellon #options 	EON		# OSI tunneling over IP
    138   1.39    mellon #options 	CCITT,LLC,HDLC	# X.25
    139   1.54   thorpej #options 	NETATALK	# AppleTalk networking protocols
    140   1.54   thorpej #options 	PPP_BSDCOMP	# BSD-Compress compression support for PPP
    141   1.54   thorpej #options 	PPP_DEFLATE	# Deflate compression support for PPP
    142   1.54   thorpej #options 	PPP_FILTER	# Active filter support for PPP (requires bpf)
    143   1.43     mikel #options 	PFIL_HOOKS	# pfil(9) packet filter hooks
    144  1.169       abs #options 	TCP_DEBUG	# Record last TCP_NDEBUG packets with SO_DEBUG
    145    1.2       tls 
    146   1.56     perry # These options enable verbose messages for several subsystems.
    147   1.56     perry # Warning, these may compile large string tables into the kernel!
    148   1.56     perry #options 	EISAVERBOSE	# verbose EISA device autoconfig messages
    149  1.143  augustss #options 	MIIVERBOSE	# verbose PHY autoconfig messages
    150   1.56     perry #options 	PCIVERBOSE	# verbose PCI device autoconfig messages
    151  1.139       cgd #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
    152   1.54   thorpej #options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
    153   1.56     perry #options 	SCSIVERBOSE	# human readable SCSI error messages
    154  1.175     enami #options 	I2OVERBOSE	# verbose I2O driver messages
    155   1.54   thorpej 
    156   1.54   thorpej # Kernel root file system and dump configuration.
    157   1.54   thorpej config		netbsd	root on ? type ?
    158   1.54   thorpej #config		netbsd	root on sd0a type ffs
    159   1.54   thorpej #config		netbsd	root on ? type nfs
    160   1.54   thorpej 
    161   1.54   thorpej #
    162   1.54   thorpej # Device configuration
    163   1.54   thorpej #
    164   1.43     mikel 
    165    1.6       cgd mainbus0 at root
    166    1.6       cgd 
    167   1.54   thorpej #apm0	at mainbus0			# Advanced power management
    168    1.2       tls 
    169   1.56     perry 
    170   1.56     perry # Basic Bus Support
    171   1.56     perry 
    172   1.54   thorpej # PCI bus support
    173   1.54   thorpej pci*	at mainbus? bus ?
    174   1.54   thorpej pci*	at pchb? bus ?
    175    1.5       cgd pci*	at ppb? bus ?
    176   1.54   thorpej 
    177   1.56     perry # PCI bridges
    178   1.27   thorpej pchb*	at pci? dev ? function ?	# PCI-Host bridges
    179   1.75   thorpej pceb*	at pci? dev ? function ?	# PCI-EISA bridges
    180   1.27   thorpej pcib*	at pci? dev ? function ?	# PCI-ISA bridges
    181   1.54   thorpej ppb*	at pci? dev ? function ?	# PCI-PCI bridges
    182   1.88       cgd # XXX 'puc's aren't really bridges, but there's no better place for them here
    183   1.88       cgd puc*	at pci? dev ? function ?	# PCI "universal" comm. cards
    184   1.27   thorpej 
    185   1.54   thorpej # EISA bus support
    186  1.172   nathanw eisa0	at mainbus?
    187  1.172   nathanw eisa0	at pceb?
    188   1.27   thorpej 
    189   1.54   thorpej # ISA bus support
    190  1.172   nathanw isa0	at mainbus?
    191  1.172   nathanw isa0	at pceb?
    192  1.172   nathanw isa0	at pcib?
    193   1.54   thorpej 
    194   1.56     perry # PCMCIA bus support
    195   1.56     perry pcmcia*	at pcic? controller ? socket ?
    196  1.118  christos pcmcia*	at tcic? controller ? socket ?
    197   1.56     perry 
    198   1.56     perry # ISA PCMCIA controllers
    199  1.159      fvdl pcic0 	at isa? port 0x3e0 iomem 0xd0000 iosiz 0x10000
    200  1.159      fvdl pcic1 	at isa? port 0x3e2 iomem 0xe0000 iosiz 0x4000
    201  1.183  jmcneill pcic2	at isa? port 0x3e4 iomem 0xe0000 iosiz 0x4000
    202  1.159      fvdl tcic0 	at isa? port 0x240 iomem 0xd0000 iosiz 0x10000
    203  1.118  christos 
    204  1.118  christos # PCI PCMCIA controllers
    205  1.118  christos pcic0	at pci? dev? function ?
    206   1.56     perry 
    207   1.56     perry # ISA Plug-and-Play bus support
    208   1.56     perry isapnp0	at isa?
    209   1.56     perry 
    210  1.118  christos # ISA Plug-and-Play PCMCIA controllers
    211  1.118  christos pcic*	at isapnp?
    212   1.56     perry 
    213   1.56     perry # Coprocessor Support
    214   1.56     perry 
    215   1.56     perry # Math Coprocessor support
    216   1.56     perry npx0	at isa? port 0xf0 irq 13	# x86 math coprocessor
    217   1.56     perry 
    218   1.56     perry 
    219   1.56     perry # Console Devices
    220   1.56     perry 
    221  1.147   mycroft # ISA console
    222   1.56     perry pc0	at isa? port 0x60 irq 1		# pccons generic PC console driver
    223   1.90    bouyer 
    224   1.90    bouyer # Keyboard layout configuration for pccons
    225   1.92    bouyer #options 	FRENCH_KBD
    226   1.91    bouyer #options 	FINNISH_KBD
    227   1.92    bouyer #options 	GERMAN_KBD
    228   1.93     perry #options 	NORWEGIAN_KBD
    229   1.56     perry 
    230  1.118  christos # wscons
    231  1.118  christos #pckbc0	at isa?			# pc keyboard controller
    232  1.118  christos #pckbd*	at pckbc?		# PC keyboard
    233  1.190   mycroft # "opms" should not be enabled together with "pms"
    234  1.118  christos #pms*		at pckbc?		# PS/2 mouse for wsmouse
    235  1.118  christos #opms*		at pckbc?		# backwards compatible PS/2 mouse
    236  1.118  christos #vga0		at isa?
    237  1.118  christos #vga*		at pci?
    238  1.118  christos #pcdisplay0	at isa?			# CGA, MDA, EGA, HGA
    239  1.118  christos #wsdisplay*	at vga? console ?
    240  1.118  christos #wsdisplay*	at pcdisplay? console ?
    241  1.118  christos #wskbd*	at pckbd? console ?
    242  1.118  christos #wsmouse*	at pms?
    243  1.118  christos 
    244   1.82  drochner #pcppi0	at isa?
    245   1.82  drochner #sysbeep0	at pcppi?
    246   1.56     perry 
    247   1.56     perry # Serial Devices
    248   1.56     perry 
    249   1.56     perry # PCI serial interfaces
    250  1.133     soren com*	at puc? port ?			# 16x50s on "universal" comm boards
    251   1.56     perry #cy*	at pci? dev ? function ?	# Cyclades Cyclom-Y serial boards
    252   1.54   thorpej 
    253   1.56     perry # ISA Plug-and-Play serial interfaces
    254   1.56     perry com*	at isapnp?			# Modems and serial boards
    255   1.56     perry 
    256   1.56     perry # PCMCIA serial interfaces
    257   1.56     perry com*	at pcmcia? function ?		# Modems and serial cards
    258   1.98   thorpej 
    259   1.98   thorpej pcmcom*	at pcmcia? function ?		# PCMCIA multi-port serial cards
    260   1.98   thorpej com*	at pcmcom? slave ?		# ...and the slave devices
    261   1.56     perry 
    262   1.56     perry # ISA serial interfaces
    263   1.56     perry #options 	COM_HAYESP		# adds Hayes ESP serial board support
    264   1.56     perry com0	at isa? port 0x3f8 irq 4	# Standard PC serial ports
    265   1.56     perry com1	at isa? port 0x2f8 irq 3
    266   1.56     perry com2	at isa? port 0x3e8 irq 5
    267   1.56     perry #com3	at isa? port 0x2e8 irq 9
    268   1.56     perry #ast0	at isa? port 0x1a0 irq 5	# AST 4-port serial cards
    269   1.56     perry #com*	at ast? slave ?
    270   1.56     perry #boca0	at isa? port 0x100 irq 5	# BOCA 8-port serial cards
    271   1.56     perry #com*	at boca? slave ?
    272  1.118  christos #tcom0	at isa? port 0x100 irq 7	# TC-800 8-port serial cards
    273  1.118  christos #com*	at tcom? slave ?
    274   1.56     perry #rtfps0	at isa? port 0x1230 irq 10	# RT 4-port serial cards
    275   1.56     perry #com*	at rtfps? slave ?
    276   1.56     perry #cy0	at isa? iomem 0xd4000 irq 12	# Cyclades serial cards
    277   1.56     perry 
    278   1.56     perry 
    279   1.56     perry # Parallel Printer Interfaces
    280   1.88       cgd 
    281   1.88       cgd # PCI parallel printer interfaces
    282   1.88       cgd #lpt*	at puc? port ?			# || ports on "universal" comm boards
    283   1.56     perry 
    284   1.56     perry # ISA parallel printer interfaces
    285   1.56     perry #lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
    286   1.56     perry #lpt1	at isa? port 0x278
    287   1.56     perry #lpt2	at isa? port 0x3bc
    288   1.56     perry 
    289  1.160        ad # I2O devices
    290  1.160        ad iop*	at pci? dev ? function ?	# I/O processor
    291  1.160        ad iopsp*	at iop? tid ?			# SCSI/FC-AL ports
    292  1.161        ad ld*	at iop? tid ?			# Block devices
    293  1.173        ad #dpti*	at iop? tid 0			# DPT/Adaptec control interface
    294   1.56     perry 
    295   1.56     perry # SCSI Controllers and Devices
    296    1.5       cgd 
    297   1.56     perry # PCI SCSI controllers
    298  1.118  christos adv*	at pci? dev ? function ?	# AdvanSys 1200[A,B], 9xx[U,UA] SCSI
    299  1.142     dante adw*	at pci? dev ? function ?	# AdvanSys 9x0UW[D], 3940U[2,3]W SCSI
    300   1.56     perry ahc*	at pci? dev ? function ?	# Adaptec [23]94x, aic78x0 SCSI
    301   1.56     perry bha*	at pci? dev ? function ?	# BusLogic 9xx SCSI
    302  1.126        ad dpt*	at pci? dev ? function ?	# DPT SmartCache/SmartRAID
    303  1.166   tsutsui iha*	at pci? dev ? function ?	# Initio INIC-940/950 SCSI
    304   1.56     perry isp*	at pci? dev ? function ?	# Qlogic ISP [12]0x0 SCSI/FibreChannel
    305  1.170        ad mly*	at pci? dev ? function ?	# Mylex AcceleRAID and eXtremeRAID
    306  1.170        ad pcscp*	at pci? dev ? function ?	# AMD 53c974 PCscsi-PCI SCSI
    307  1.146      fvdl siop*	at pci? dev ? function ?	# NCR 53c8xx SCSI (new driver)
    308  1.174   tsutsui trm*	at pci? dev ? function ?	# Tekram DC-395U/UW/F, DC-315/U SCSI
    309    1.2       tls 
    310   1.56     perry # EISA SCSI controllers
    311   1.56     perry ahb*	at eisa? slot ?			# Adaptec 174[02] SCSI
    312   1.56     perry ahc*	at eisa? slot ?			# Adaptec 274x, aic7770 SCSI
    313   1.56     perry bha*	at eisa? slot ?			# BusLogic 7xx SCSI
    314  1.135        ad dpt*	at eisa? slot ?			# DPT SmartCache/SmartRAID
    315   1.56     perry uha*	at eisa? slot ?			# UltraStor 24f SCSI
    316    1.2       tls 
    317   1.56     perry # PCMCIA SCSI controllers
    318   1.56     perry aic*	at pcmcia? function ?		# Adaptec APA-1460 SCSI
    319   1.81     enami 
    320   1.81     enami # ISA Plug-and-Play SCSI controllers
    321  1.118  christos aha*	at isapnp? 			# Adaptec AHA-154[02
    322   1.81     enami aic*	at isapnp?			# Adaptec AHA-1520B
    323   1.54   thorpej 
    324   1.54   thorpej # ISA SCSI controllers
    325  1.118  christos adv0	at isa? port ? irq ? drq ?	# AdvanSys APB-514[02]
    326   1.54   thorpej aha0	at isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI
    327   1.54   thorpej aha1	at isa? port 0x334 irq ? drq ?
    328   1.54   thorpej ahc0	at isa? port ? irq ?		# Adaptec 284x SCSI
    329   1.54   thorpej aic0	at isa? port 0x340 irq 11	# Adaptec 152[02] SCSI
    330   1.61     mikel bha0	at isa? port 0x330 irq ? drq ?	# BusLogic [457]4X SCSI
    331   1.54   thorpej bha1	at isa? port 0x334 irq ? drq ?
    332  1.136        ad # The "nca" and "dpt" probes might give false hits or hang your machine.
    333  1.136        ad #dpt0	at isa? port 0x170 irq ? drq ?	# DPT SmartCache/SmartRAID
    334  1.150     itohy #nca0	at isa? port 0x360 irq 15	# Port-mapped NCR 53C80 controller
    335  1.128  drochner #nca1	at isa? iomem 0xd8000 irq 5	# Memory-mapped controller (T128, etc.)
    336   1.54   thorpej sea0	at isa? iomem 0xc8000 irq 5	# Seagate/Future Domain SCSI
    337   1.54   thorpej uha0	at isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI
    338   1.72  drochner uha1	at isa? port 0x340 irq ? drq ?
    339   1.54   thorpej wds0	at isa? port 0x350 irq 15 drq 6	# WD7000 and TMC-7000 controllers
    340   1.54   thorpej wds1	at isa? port 0x358 irq 11 drq 5
    341   1.54   thorpej 
    342   1.56     perry # SCSI bus support
    343   1.95     dante scsibus* at adv?
    344   1.97     dante scsibus* at adw?
    345   1.56     perry scsibus* at aha?
    346   1.56     perry scsibus* at ahb?
    347   1.56     perry scsibus* at ahc?
    348   1.56     perry scsibus* at aic?
    349   1.56     perry scsibus* at bha?
    350  1.126        ad scsibus* at dpt?
    351  1.166   tsutsui scsibus* at iha?
    352  1.160        ad scsibus* at iopsp?
    353   1.56     perry scsibus* at isp?
    354  1.129  drochner #scsibus* at nca?
    355  1.170        ad scsibus* at mly?
    356  1.170        ad scsibus* at pcscp?
    357  1.174   tsutsui scsibus* at sea?
    358  1.146      fvdl scsibus* at siop?
    359  1.174   tsutsui scsibus* at trm?
    360   1.56     perry scsibus* at uha?
    361   1.56     perry scsibus* at wds?
    362   1.56     perry 
    363   1.56     perry # SCSI devices
    364   1.56     perry sd*	at scsibus? target ? lun ?	# SCSI disk drives
    365   1.56     perry st*	at scsibus? target ? lun ?	# SCSI tape drives
    366   1.56     perry cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
    367   1.56     perry #ch*	at scsibus? target ? lun ?	# SCSI autochangers
    368   1.56     perry #ss*	at scsibus? target ? lun ?	# SCSI scanners
    369   1.56     perry #uk*	at scsibus? target ? lun ?	# SCSI unknown
    370   1.56     perry 
    371  1.155        ad 
    372  1.138        ad # RAID controllers and devices
    373  1.165        ad cac*	at eisa? slot ?			# Compaq EISA array controllers
    374  1.155        ad cac*	at pci? dev ? function ?	# Compaq PCI array controllers
    375  1.163        ad mlx*	at pci? dev ? function ?	# Mylex DAC960 & DEC SWXCR family
    376  1.165        ad mlx*	at eisa? slot ?			# Mylex DAC960 & DEC SWXCR family
    377  1.158        ad twe*	at pci? dev ? function ?	# 3ware Escalade RAID controllers
    378  1.155        ad 
    379  1.163        ad ld*	at cac? unit ?			# logical disk devices
    380  1.163        ad ld*	at twe? unit ?
    381  1.163        ad ld*	at mlx? unit ?
    382   1.56     perry 
    383  1.110       abs # IDE and related devices
    384  1.114    kleink # PCI IDE controllers - see pciide(4) for supported hardware.
    385   1.99    bouyer # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
    386   1.99    bouyer # how to set up DMA modes for this chip. This may work, or may cause
    387   1.99    bouyer # a machine hang with some controllers.
    388   1.99    bouyer pciide* at pci ? dev ? function ? flags 0x0000
    389   1.56     perry 
    390   1.99    bouyer # ISA Plug-and-Play IDE controllers
    391  1.118  christos wdc*	at isapnp?
    392   1.99    bouyer 
    393   1.99    bouyer # PCMCIA IDE controllers
    394  1.178     lukem wdc*	at pcmcia? function ?
    395   1.99    bouyer 
    396   1.99    bouyer # ISA ST506, ESDI, and IDE controllers
    397  1.117    bouyer # Use flags 0x01 if you want to try to use 32bits data I/O (the driver will
    398  1.150     itohy # fall back to 16bits I/O if 32bits I/O are not functional).
    399  1.117    bouyer # Some controllers pass the initial 32bit test, but will fail later.
    400  1.117    bouyer wdc0	at isa? port 0x1f0 irq 14 flags 0x00
    401  1.117    bouyer wdc1	at isa? port 0x170 irq 15 flags 0x00
    402   1.56     perry 
    403   1.56     perry # IDE drives
    404  1.110       abs # Flags are used only with controllers that support DMA operations
    405  1.110       abs # and mode settings (e.g. some pciide controllers)
    406  1.110       abs # The lowest order four bits (rightmost digit) of the flags define the PIO
    407  1.110       abs # mode to use, the next set of four bits the DMA mode and the third set the
    408  1.110       abs # UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
    409  1.110       abs # to use, and the last bit must be 1 for this setting to be used.
    410  1.110       abs # For DMA and UDMA, 0xf (1111) means 'disable'.
    411  1.110       abs # 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
    412  1.110       abs # (0xc=1100, 0xa=1010, 0xf=1111)
    413  1.110       abs # 0x0000 means "use whatever the drive claims to support".
    414  1.118  christos wd*	at wdc? channel ? drive ? flags 0x0000
    415  1.118  christos wd*	at pciide? channel ? drive ? flags 0x0000
    416   1.56     perry 
    417   1.56     perry # ATAPI bus support
    418  1.118  christos atapibus* at wdc? channel ?
    419   1.99    bouyer atapibus* at pciide? channel ?
    420   1.56     perry 
    421   1.56     perry # ATAPI devices
    422  1.118  christos # flags have the same meaning as for IDE drives.
    423  1.118  christos cd*	at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
    424  1.118  christos sd*	at atapibus? drive ? flags 0x0000	# ATAPI disk drives
    425  1.179    bouyer st*	at atapibus? drive ? flags 0x0000	# ATAPI tape drives
    426  1.118  christos #uk*	at atapibus? drive ? flags 0x0000	# ATAPI unknown
    427   1.56     perry 
    428   1.56     perry 
    429   1.56     perry # Miscellaneous mass storage devices
    430   1.56     perry 
    431   1.56     perry # ISA floppy
    432   1.56     perry fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
    433   1.56     perry #fdc1	at isa? port 0x370 irq ? drq ?
    434   1.56     perry fd*	at fdc? drive ?			# the drives themselves
    435   1.56     perry # some machines need you to do this instead of fd*
    436   1.56     perry #fd0	at fdc0 drive 0
    437   1.56     perry 
    438   1.56     perry # ISA CD-ROM devices
    439   1.56     perry #mcd0	at isa? port 0x300 irq 10	# Mitsumi CD-ROM drives
    440   1.56     perry 
    441   1.56     perry # ISA tape devices
    442   1.56     perry # note: the wt driver conflicts unpleasantly with ed devices at the
    443   1.61     mikel # same I/O address. The probe reprograms their EEPROMs. Don't
    444   1.56     perry # uncomment it unless you are actually using it.
    445   1.72  drochner #wt0	at isa? port 0x308 irq 5 drq 1	# Archive and Wangtek QIC tape drives
    446   1.56     perry 
    447   1.56     perry 
    448   1.56     perry # Network Interfaces
    449   1.56     perry 
    450   1.56     perry # PCI network interfaces
    451  1.178     lukem an*	at pci? dev ? function ?	# Aironet PC4500/PC4800 (802.11)
    452  1.178     lukem de*	at pci? dev ? function ?	# DEC 21x4x-based Ethernet
    453  1.176       tls #en*	at pci? dev ? function ?	# ENI/Adaptec ATM
    454  1.104        he ep*	at pci? dev ? function ?	# 3Com 3c59x
    455  1.171   hubertf ex*	at pci? dev ? function ?	# 3Com 90x[BC]
    456   1.85   thorpej epic*	at pci? dev ? function ?	# SMC EPIC/100 Ethernet
    457  1.176       tls #esh*	at pci? dev ? function ?	# Essential HIPPI card
    458   1.56     perry fpa*	at pci? dev ? function ?	# DEC DEFPA FDDI
    459   1.56     perry fxp*	at pci? dev ? function ?	# Intel EtherExpress PRO 10+/100B
    460  1.167   thorpej gsip*	at pci? dev ? function ?	# NS83820 Gigabit Ethernet
    461  1.178     lukem #hme*	at pci? dev ? function ?	# Sun Microelectronics STP2002-STQ
    462   1.56     perry le*	at pci? dev ? function ?	# PCnet-PCI Ethernet
    463  1.176       tls #lmc*	at pci? dev ? function ?	# Lan Media Corp SSI/HSSI/DS3
    464   1.56     perry ne*	at pci? dev ? function ?	# NE2000-compatible Ethernet
    465  1.176       tls #ntwoc*	at pci? dev ? function ?	# Riscom/N2 PCI Sync Serial
    466  1.178     lukem pcn*	at pci? dev ? function ?	# AMD PCnet-PCI Ethernet
    467  1.176       tls rtk*	at pci? dev ? function ?	# Realtek 8129/8139
    468  1.167   thorpej sf*	at pci? dev ? function ?	# Adaptec AIC-6915 Ethernet
    469  1.167   thorpej sip*	at pci? dev ? function ?	# SiS 900/DP83815 Ethernet
    470  1.178     lukem ste*	at pci? dev ? function ?	# Sundance ST-201 Ethernet
    471  1.176       tls stge*	at pci? dev ? function ?	# Sundance/Tamarack TC9021 Gigabit
    472  1.176       tls ti*	at pci? dev ? function ?	# Alteon ACEnic gigabit Ethernet
    473   1.60    bouyer tl*	at pci? dev ? function ?	# ThunderLAN-based Ethernet
    474  1.130   thorpej tlp*	at pci? dev ? function ?	# DECchip 21x4x (and clones) Ethernet
    475  1.130   thorpej #options 	TLP_MATCH_21040
    476  1.130   thorpej #options 	TLP_MATCH_21041
    477  1.130   thorpej #options 	TLP_MATCH_21140
    478  1.130   thorpej #options 	TLP_MATCH_21142
    479  1.118  christos vr*	at pci? dev ? function ?	# VIA Rhine Fast Ethernet
    480  1.176       tls wi*	at pci? dev ? function ?	# Intersil Prism Mini-PCI (802.11b)
    481  1.191   mycroft wm*	at pci? dev ? function ?	# Intel 82543/82544 gigabit
    482    1.2       tls 
    483   1.56     perry # EISA network interfaces
    484   1.56     perry ep*	at eisa? slot ?			# 3Com 3c579 Ethernet
    485   1.56     perry fea*	at eisa? slot ?			# DEC DEFEA FDDI
    486  1.130   thorpej tlp*	at eisa? slot ?			# DEC DE-425 Ethernet
    487    1.2       tls 
    488   1.56     perry # ISA Plug-and-Play network interfaces
    489  1.176       tls an*	at isapnp?			# # Aironet 802.11
    490   1.56     perry ep*	at isapnp?			# 3Com 3c509 Ethernet
    491   1.56     perry ne*	at isapnp?			# NE2000-compatible Ethernet
    492  1.115       bad tr*	at isapnp?			# IBM/3COM TROPIC Token-Ring
    493   1.20   mycroft 
    494   1.56     perry # PCMCIA network interfaces
    495  1.176       tls an*	at pcmcia? function ?		# Aironet PC4500/PC4800 (802.11)
    496  1.159      fvdl awi*	at pcmcia? function ?		# BayStack 650 (802.11FH)
    497  1.159      fvdl cnw*	at pcmcia? function ?		# Xircom/Netwave AirSurfer
    498   1.56     perry ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
    499   1.80     enami mbe*	at pcmcia? function ?		# MB8696x based Ethernet
    500   1.56     perry ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
    501  1.178     lukem ray* 	at pcmcia? function ?		# Raytheon Raylink (802.11)
    502   1.56     perry sm*	at pcmcia? function ?		# Megahertz Ethernet
    503  1.123    bouyer wi*	at pcmcia? function ?		# Lucent WaveLan IEEE (802.11)
    504  1.145  gmcgarry xi*	at pcmcia? function ?		# Xircom CreditCard Ethernet
    505  1.127   thorpej 
    506  1.127   thorpej mhzc*	at pcmcia? function ?		# Megahertz Ethernet/Modem combo cards
    507  1.127   thorpej com*	at mhzc?
    508  1.127   thorpej sm*	at mhzc?
    509   1.54   thorpej 
    510   1.54   thorpej # ISA network interfaces
    511   1.79     enami ate0	at isa? port 0x2a0 irq ?		# AT1700
    512   1.89   thorpej cs0	at isa? port 0x300 iomem ? irq ? drq ?	# CS8900 Ethernet
    513   1.62   thorpej ec0	at isa? port 0x250 iomem 0xd8000 irq 9	# 3Com 3c503 Ethernet
    514   1.65   thorpej eg0	at isa? port 0x280 irq 9		# 3C505 ethernet cards
    515   1.54   thorpej el0	at isa? port 0x300 irq 9		# 3C501 ethernet cards
    516   1.54   thorpej ep0	at isa? port ? irq ?			# 3C509 ethernet cards
    517   1.77  augustss ef0	at isa? port 0x360 iomem 0xd0000 irq 7	# 3C507
    518   1.77  augustss ai0	at isa? port 0x360 iomem 0xd0000 irq 7	# StarLAN
    519   1.79     enami fmv0	at isa? port 0x2a0 irq ?		# FMV-180 series
    520   1.77  augustss ix0	at isa? port 0x300 irq 10		# EtherExpress/16
    521   1.68   thorpej iy0	at isa? port 0x360 irq ?		# EtherExpress PRO 10 ISA
    522   1.67   thorpej lc0	at isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
    523  1.118  christos depca0	at isa? port 0x300 iomem 0xc8000 iosiz 0x8000 irq 5	# DEPCA
    524  1.118  christos le*	at depca?
    525  1.118  christos nele0	at isa? port 0x320 irq 9 drq 7		# NE2100
    526  1.118  christos le*	at nele?
    527  1.118  christos bicc0	at isa? port 0x320 irq 10 drq 7		# BICC IsoLan
    528  1.118  christos le*	at bicc?
    529   1.54   thorpej ne0	at isa? port 0x280 irq 9		# NE[12]000 ethernet cards
    530   1.54   thorpej ne1	at isa? port 0x300 irq 10
    531   1.64   thorpej sm0	at isa? port 0x300 irq 10		# SMC91C9x Ethernet
    532  1.178     lukem tr0	at isa? port 0xa20 iomem 0xd8000 irq ?	# IBM TROPIC based Token-Ring
    533  1.178     lukem tr1	at isa? port 0xa24 iomem 0xd0000 irq ?	# IBM TROPIC based Token-Ring
    534  1.115       bad tr*	at isa? port ? irq ?			# 3COM TROPIC based Token-Ring
    535   1.63   thorpej we0	at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
    536   1.63   thorpej we1	at isa? port 0x300 iomem 0xcc000 irq 10
    537   1.54   thorpej 
    538   1.94   thorpej # MII/PHY support
    539  1.178     lukem acphy*	at mii? phy ?			# DAltima AC101 and AMD Am79c874 PHYs
    540  1.176       tls amhphy* at mii? phy ?			# AMD 79c901 Ethernet PHYs
    541  1.176       tls bmtphy* at mii? phy ?			# Broadcom BCM5201 and BCM5202 PHYs
    542  1.176       tls brgphy* at mii? phy ?			# Broadcom BCM5400-family PHYs
    543  1.178     lukem dmphy*	at mii? phy ?			# Davicom DM9101 PHYs
    544  1.104        he exphy*	at mii? phy ?			# 3Com internal PHYs
    545  1.176       tls glxtphy* at mii? phy ?			# Level One LXT-1000 PHYs
    546  1.176       tls gphyter* at mii? phy ?			# NS83861 Gig-E PHY
    547  1.184       wiz icsphy*	at mii? phy ?			# Integrated Circuit Systems ICS189x
    548  1.104        he inphy*	at mii? phy ?			# Intel 82555 PHYs
    549  1.130   thorpej iophy*	at mii? phy ?			# Intel 82553 PHYs
    550  1.104        he lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
    551  1.118  christos nsphy*	at mii? phy ?			# NS83840 PHYs
    552  1.132   thorpej nsphyter* at mii? phy ?			# NS83843 PHYs
    553  1.176       tls pnaphy* at mii? phy ?			# generic HomePNA PHYs
    554  1.118  christos qsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
    555  1.104        he sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    556   1.94   thorpej tlphy*	at mii? phy ?			# ThunderLAN PHYs
    557  1.130   thorpej tqphy*	at mii? phy ?			# TDK Semiconductor PHYs
    558  1.187    ichiro urlphy*	at mii? phy ?			# Realtek RTL8150L internal PHYs
    559  1.104        he ukphy*	at mii? phy ?			# generic unknown PHYs
    560   1.54   thorpej 
    561  1.118  christos # USB Controller and Devices
    562  1.118  christos 
    563  1.118  christos # PCI USB controllers
    564  1.156      fvdl uhci*	at pci?				# Universal Host Controller (Intel)
    565  1.156      fvdl ohci*	at pci?				# Open Host Controller
    566  1.118  christos 
    567  1.118  christos # USB bus support
    568  1.156      fvdl usb*	at uhci?
    569  1.156      fvdl usb*	at ohci?
    570  1.118  christos 
    571  1.118  christos # USB Hubs
    572  1.156      fvdl uhub*	at usb?
    573  1.156      fvdl uhub*	at uhub? port ? configuration ? interface ?
    574  1.118  christos 
    575  1.180  augustss # USB HID device
    576  1.181       wiz uhidev*	at uhub? port ? configuration ? interface ?
    577  1.180  augustss 
    578  1.118  christos # USB Mice
    579  1.180  augustss #ums*	at uhidev? reportid ?
    580  1.118  christos #wsmouse*	at ums?
    581  1.118  christos 
    582  1.118  christos # USB Keyboards
    583  1.180  augustss ukbd*	at uhidev? reportid ?
    584  1.156      fvdl wskbd*	at ukbd? console ?
    585  1.118  christos 
    586  1.118  christos # USB Generic HID devices
    587  1.180  augustss #uhid*	at uhidev? reportid ?
    588  1.118  christos 
    589  1.118  christos # USB Printer
    590  1.118  christos #ulpt*	at uhub? port ? configuration ? interface ?
    591  1.124   thorpej 
    592  1.124   thorpej # USB Mass Storage
    593  1.156      fvdl umass*	at uhub? port ? configuration ? interface ?
    594  1.156      fvdl atapibus* at umass? channel ?
    595  1.156      fvdl scsibus* at umass? channel ?
    596  1.162  augustss 
    597  1.162  augustss # Y@P firmware loader
    598  1.162  augustss #uyap* at uhub? port ?
    599  1.118  christos 
    600  1.118  christos # USB Generic driver
    601  1.118  christos #ugen*	at uhub? port ? configuration ? interface ?
    602  1.156      fvdl 
    603  1.156      fvdl # USB Ethernet adapters
    604  1.156      fvdl aue* 	at uhub? port ?		# ADMtek AN986 Pegasus based adapters
    605  1.156      fvdl cue* 	at uhub? port ?		# CATC USB-EL1201A based adapters
    606  1.156      fvdl kue* 	at uhub? port ?		# Kawasaki LSI KL5KUSB101B based adapters
    607  1.187    ichiro url*	at uhub? port ?		# Realtek RTL8150L based adapters
    608  1.118  christos 
    609   1.56     perry # Audio Devices
    610   1.54   thorpej 
    611  1.118  christos # PCI audio devices
    612  1.118  christos #eap*	at pci? dev ? function ?	# Ensoniq AudioPCI
    613  1.120    kleink #eso*	at pci? dev ? function ?	# ESS Solo-1 PCI AudioDrive
    614  1.118  christos #sv*	at pci? dev ? function ?	# S3 SonicVibes
    615  1.118  christos 
    616   1.56     perry # ISA Plug-and-Play audio devices
    617   1.54   thorpej #guspnp*	at isapnp?			# Gravis Ultra Sound PnP audio
    618   1.54   thorpej #sb*	at isapnp?			# SoundBlaster-compatible audio
    619   1.54   thorpej 
    620   1.56     perry # ISA audio devices
    621  1.118  christos # the "aria" probe might give false hits
    622  1.118  christos #aria0	at isa? port 0x290 irq 10 		# Aria
    623   1.56     perry #gus0	at isa? port 0x220 irq 7 drq 1 drq2 6	# Gravis Ultra Sound
    624   1.56     perry #pas0	at isa? port 0x220 irq 7 drq 1		# ProAudio Spectrum
    625  1.178     lukem #pss0	at isa? port 0x220 irq 7 drq 6		# Personal Sound System
    626   1.56     perry #sp0	at pss0 port 0x530 irq 10 drq 0		# 	sound port driver
    627   1.56     perry #sb0	at isa? port 0x220 irq 7 drq 1 drq2 5	# SoundBlaster
    628   1.56     perry #wss0	at isa? port 0x530 irq 10 drq 0	drq2 1	# Windows Sound System
    629   1.54   thorpej 
    630  1.150     itohy # OPL[23] FM synthesizers
    631  1.118  christos #opl0	at isa? port 0x388	# use only if not attached to sound card
    632  1.120    kleink #opl*	at eso?
    633  1.118  christos #opl*	at ess?
    634  1.118  christos #opl*	at sb?
    635  1.118  christos #opl*	at sv?
    636  1.178     lukem 
    637   1.54   thorpej # Audio support
    638  1.118  christos #audio*	at aria?
    639  1.120    kleink #audio*	at eap?
    640  1.120    kleink #audio*	at eso?
    641   1.54   thorpej #audio*	at gus?
    642   1.54   thorpej #audio*	at guspnp?
    643   1.54   thorpej #audio*	at pas?
    644   1.54   thorpej #audio*	at sb?
    645   1.54   thorpej #audio*	at sp?
    646  1.120    kleink #audio*	at sv?
    647   1.54   thorpej #audio*	at wss?
    648   1.54   thorpej 
    649  1.118  christos # MIDI support
    650  1.118  christos #midi*	at pcppi?		# MIDI interface to the PC speaker
    651  1.118  christos #midi*	at sb?			# SB MPU401 port
    652  1.118  christos #midi*	at opl?			# OPL FM synth
    653  1.118  christos 
    654   1.56     perry # The spkr driver provides a simple tone interface to the built in speaker.
    655   1.82  drochner #spkr0	at pcppi?		# PC speaker
    656   1.56     perry 
    657   1.56     perry 
    658   1.56     perry # Mice
    659   1.56     perry 
    660   1.56     perry # ISA busmice
    661  1.118  christos #lms0	at isa? port 0x23c irq 5	# Logitech bus mouse
    662  1.118  christos #lms1	at isa? port 0x238 irq 5
    663  1.118  christos #mms0	at isa? port 0x23c irq 5	# Microsoft InPort mouse
    664  1.118  christos #mms1	at isa? port 0x238 irq 5
    665  1.118  christos #wsmouse*	at lms?
    666  1.118  christos #wsmouse*	at mms?
    667  1.118  christos # backwards compatible versions
    668  1.106  drochner #olms0	at isa? port 0x23c irq 5	# Logitech bus mouse
    669  1.106  drochner #olms1	at isa? port 0x238 irq 5
    670  1.106  drochner #omms0	at isa? port 0x23c irq 5	# Microsoft InPort mouse
    671  1.106  drochner #omms1	at isa? port 0x238 irq 5
    672  1.106  drochner #opms0	at pc? irq 12		# PS/2 auxiliary port mouse
    673   1.56     perry 
    674   1.56     perry # Joysticks
    675   1.56     perry 
    676   1.56     perry # ISA Plug-and-Play joysticks
    677   1.56     perry #joy*	at isapnp?			# Game ports (usually on audio cards)
    678    1.2       tls 
    679   1.56     perry # ISA joysticks. Probe is a little strange; add only if you have one.
    680   1.56     perry #joy0	at isa? port 0x201
    681    1.2       tls 
    682   1.20   mycroft 
    683   1.56     perry # Miscellaneous Devices
    684   1.20   mycroft 
    685   1.56     perry # Planetconnect Satellite receiver driver.
    686   1.56     perry #satlink0 at isa? port 0x300 drq 1
    687   1.43     mikel 
    688   1.21   mycroft 
    689   1.54   thorpej # Pull in optional local configuration
    690   1.22   mycroft include	"arch/i386/conf/GENERIC.local"
    691   1.37     perry 
    692   1.56     perry 
    693   1.56     perry # Pseudo-Devices
    694   1.56     perry 
    695   1.56     perry # disk/mass storage pseudo-devices
    696   1.56     perry #pseudo-device	ccd		4	# concatenated/striped disk devices
    697  1.118  christos #pseudo-device	raid		4	# RAIDframe disk driver
    698   1.56     perry pseudo-device	md		1	# memory disk device (ramdisk)
    699   1.56     perry #pseudo-device	vnd		4	# disk-like interface to files
    700   1.56     perry 
    701   1.56     perry # network pseudo-devices
    702  1.148     cyber pseudo-device	bpfilter	8	# Berkeley packet filter
    703   1.54   thorpej #pseudo-device	ipfilter		# IP filter (firewall) and NAT
    704   1.54   thorpej pseudo-device	loop			# network loopback
    705   1.54   thorpej pseudo-device	ppp		2	# Point-to-Point Protocol
    706   1.56     perry pseudo-device	sl		2	# Serial Line IP
    707   1.56     perry #pseudo-device	strip		2	# Starmode Radio IP (Metricom)
    708   1.56     perry #pseudo-device	tun		2	# network tunneling over tty
    709  1.118  christos #pseudo-device	gre		2	# generic L3 over IP tunnel
    710   1.56     perry 
    711   1.56     perry # miscellaneous pseudo-devices
    712  1.157       abs pseudo-device	pty		2	# pseudo-terminals (Sysinst needs two)
    713   1.57  explorer #pseudo-device	tb		1	# tablet line discipline
    714  1.118  christos #pseudo-device	sequencer	1	# MIDI sequencer
    715  1.118  christos # rnd works; RND_COM does not on port i386 yet.
    716   1.54   thorpej #pseudo-device	rnd			# /dev/random and in-kernel generator
    717   1.58  explorer #options 	RND_COM			# use "com" randomness as well (BROKEN)
    718  1.118  christos 
    719  1.118  christos # a pseudo device needed for Coda	# also needs CODA (above)
    720  1.118  christos #pseudo-device	vcoda		4	# coda minicache <-> venus comm.
    721