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INSTALL revision 1.110.4.2
      1  1.110.4.2    martin # $NetBSD: INSTALL,v 1.110.4.2 2020/04/08 14:07:25 martin Exp $
      2        1.1       cjs #
      3        1.1       cjs # Alpha INSTALL kernel.
      4        1.1       cjs 
      5      1.110       mrg include 	"arch/alpha/conf/std.alpha"
      6       1.64    atatat 
      7       1.64    atatat #options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
      8        1.1       cjs 
      9       1.57     lukem makeoptions	COPTS="-Os"		# Optimise for space. Implies -O2
     10       1.44       abs 
     11        1.1       cjs maxusers 8
     12        1.1       cjs 
     13        1.1       cjs # Enable the hooks used for initializing the ram-disk.
     14        1.1       cjs options 	MEMORY_DISK_HOOKS
     15        1.1       cjs options 	MEMORY_DISK_IS_ROOT	# Force root on ram-disk
     16  1.110.4.2    martin options 	MEMORY_DISK_ROOT_SIZE=9320	# 4660k
     17       1.97       jym options 	MEMORY_DISK_RBFLAGS=RB_SINGLE	# boot in single-user mode
     18        1.1       cjs 
     19        1.1       cjs # CPU Support
     20       1.40   thorpej options 	DEC_2000_300	# "Jensen":	2000/300 (DECpc AXP 150)
     21        1.1       cjs options 	DEC_2100_A50	# Avanti etc:	AlphaStation 400, 200, etc.
     22       1.49   thorpej options 	DEC_2100_A500	# Sable:	AlphaServer 2100
     23       1.49   thorpej options 	DEC_2100A_A500	# Lynx:		AlphaServer 2100A
     24        1.4       cjs options 	DEC_3000_500	# Flamingo etc:	3000/[4-9]00*
     25        1.4       cjs options 	DEC_3000_300	# Pelican etc:	3000/300*
     26        1.1       cjs options 	DEC_AXPPCI_33	# NoName:	AXPpci33, Multia, etc.
     27        1.1       cjs options 	DEC_EB164	# EB164:	AlphaPC 164
     28        1.1       cjs options 	DEC_EB64PLUS	# EB64+:	AlphaPC 64, etc.
     29        1.1       cjs options 	DEC_KN20AA	# KN20AA:	AlphaStation 500 and 600
     30        1.4       cjs options 	DEC_KN8AE	# KN8AE:	AlphaServer 8200 and 8400
     31       1.38   thorpej options 	DEC_KN300	# KN300:	AlphaServer 4100 and 1200
     32       1.16   thorpej options 	DEC_550		# Miata:	Digital Personal Workstation
     33       1.18   thorpej options 	DEC_1000	# Mikasa etc:	Digital AlphaServer 1000
     34       1.18   thorpej options 	DEC_1000A	# Corelle etc:	Digital AlphaServer 800/1000A
     35       1.18   thorpej options 	DEC_ALPHABOOK1	# AlphaBook1:	Tadpole/DEC AlphaBook
     36       1.18   thorpej options 	DEC_EB66	# EB66:		21066 Evaluation Board
     37       1.27      ross options 	DEC_6600	# EV6:		264DP OEM Board
     38       1.39   thorpej options 	API_UP1000	# EV6:		Alpha Processor, Inc. UP1000
     39        1.1       cjs 
     40       1.92   tsutsui # Diagnostic/debugging support options
     41       1.92   tsutsui options 	DDB			# kernel debugger
     42      1.109  uebayasi pseudo-device	ksyms
     43       1.92   tsutsui #makeoptions	DEBUG="-g"
     44       1.92   tsutsui 
     45        1.1       cjs # File systems
     46        1.1       cjs file-system	FFS		# Fast file system
     47        1.1       cjs file-system	CD9660		# ISO-9660 CD-ROM FS (w/RockRidge extensions)
     48        1.4       cjs file-system	MSDOSFS		# MS-DOS-compatible file system
     49        1.1       cjs file-system	NFS		# Sun NFS-compatible file system client
     50       1.45       abs 
     51       1.92   tsutsui # File system options
     52       1.93      yamt #options 	NFS_V2_ONLY	# Exclude NFS3 code to save space
     53       1.87   tsutsui #options 	FFS_NO_SNAPSHOT	# No FFS snapshot support
     54      1.102  dholland options 	WAPBL		# File system journaling support
     55        1.1       cjs 
     56        1.1       cjs # Networking options
     57       1.92   tsutsui options 	INET		# IP + ICMP + TCP + UDP
     58        1.1       cjs 
     59        1.1       cjs # Binary compatibility with previous versions of NetBSD.
     60      1.110       mrg include 	"conf/compat_netbsd10.config"
     61        1.4       cjs 
     62        1.4       cjs # Misc. options
     63       1.18   thorpej #options 	EISAVERBOSE		# recognize "unknown" EISA devices
     64       1.18   thorpej #options 	PCIVERBOSE		# recognize "unknown" PCI devices
     65       1.37  augustss #options 	MIIVERBOSE		# verbose PHY autoconfig messages
     66       1.34       cgd #options 	PCI_CONFIG_DUMP		# verbosely dump PCI config space
     67       1.18   thorpej #options 	SCSIVERBOSE		# Verbose SCSI errors
     68       1.18   thorpej #options 	TCVERBOSE		# recognize "unknown" TC devices
     69       1.18   thorpej options 	INSECURE		# disable `kernel security level'
     70       1.67     lukem options 	USERCONF		# userconf(4) support
     71       1.69     itohy options 	PIPE_SOCKETPAIR		# smaller, but slower pipe(2)
     72       1.80    atatat #options 	SYSCTL_INCLUDE_DESCR	# Include sysctl descriptions in kernel
     73       1.69     itohy options 	FONT_GALLANT12x22	# Console font for TC devices
     74        1.4       cjs 
     75        1.4       cjs # The Alpha console firmware network boots using the BOOTP
     76        1.8       cgd # protocol, so we ask the NFS code to use BOOTP/DHCP as well,
     77        1.8       cgd # in case we have NFS root.
     78        1.8       cgd options 	NFS_BOOT_DHCP		# superset of BOOTP
     79        1.1       cjs 
     80       1.24      ross # WS console uses SUN or VT100 terminal emulation
     81       1.24      ross options 	WSEMUL_VT100
     82      1.103       abs #options 	WSDISPLAY_COMPAT_USL		# wsconscfg VT handling
     83       1.10  drochner 
     84        1.1       cjs config		netbsd	root on ? type ?
     85        1.1       cjs 
     86        1.1       cjs mainbus0 at	root
     87        1.1       cjs cpu*	at	mainbus0
     88        1.1       cjs 
     89        1.1       cjs # TurboLaser bus support and devices
     90        1.4       cjs tlsb*	at	mainbus0
     91        1.4       cjs gbus*	at	tlsb? node ? offset ?
     92        1.4       cjs tlsbmem* at	tlsb? node ? offset ?
     93        1.4       cjs kft*	at	tlsb? node ? offset ?
     94        1.1       cjs 
     95        1.1       cjs # Gbus Devices
     96       1.13   thorpej mcclock* at	gbus? offset ?
     97        1.1       cjs 
     98       1.18   thorpej # MCBUS bus support
     99       1.18   thorpej mcbus*	at	mainbus0
    100       1.18   thorpej mcmem*	at	mcbus? mid ?
    101       1.18   thorpej 
    102       1.27      ross #EV6 Tsunami Core Logic
    103       1.27      ross 
    104       1.27      ross tsc*	at	mainbus0
    105       1.27      ross 
    106       1.40   thorpej # DECpc AXP150 (Jensen) internal bus support
    107       1.40   thorpej jensenio* at	mainbus0
    108       1.40   thorpej 
    109       1.40   thorpej com*	at	jensenio? port ?
    110       1.40   thorpej lpt*	at	jensenio? port ?
    111       1.40   thorpej mcclock* at	jensenio? port ?
    112       1.40   thorpej pckbc*	at	jensenio? port ?
    113       1.40   thorpej 
    114       1.92   tsutsui # TURBOchannel host bus adapter support
    115        1.4       cjs tcasic*	at	mainbus0
    116        1.1       cjs 
    117       1.92   tsutsui # TURBOchannel bus support
    118        1.4       cjs tc*	at	tcasic?
    119        1.1       cjs 
    120       1.92   tsutsui # TURBOchannel devices
    121        1.4       cjs ioasic*	at	tc? slot ? offset ?
    122        1.4       cjs mcclock* at	ioasic? offset ?
    123        1.4       cjs le*	at	ioasic? offset ?
    124       1.69     itohy zsc0	at	ioasic? offset 0x100000
    125       1.69     itohy zsc1	at	ioasic? offset 0x180000
    126       1.14   thorpej tcds*	at	tc? slot ? offset ?
    127       1.14   thorpej asc*	at	tcds? chip ?
    128       1.92   tsutsui asc*	at	tc? slot ? offset ?
    129        1.4       cjs le*	at	tc? slot ? offset ?
    130       1.68        ad cfb*	at	tc? slot ? offset ?
    131       1.68        ad mfb*	at	tc? slot ? offset ?
    132       1.68        ad tfb*	at	tc? slot ? offset ?
    133       1.68        ad sfb*	at	tc? slot ? offset ?
    134       1.68        ad #sfbp*	at	tc? slot ? offset ?
    135       1.68        ad px*	at	tc? slot ? offset ?
    136       1.68        ad pxg*	at	tc? slot ? offset ?
    137       1.68        ad 
    138       1.92   tsutsui # TURBOchannel serial attachments
    139       1.94     pavel zstty0  at      zsc0 channel ?                  # serial port on B channels
    140       1.94     pavel # /dev/ttyB1 has minor number 2 for historical reasons
    141       1.94     pavel zstty2  at      zsc1 channel ?                  # serial port on B channels
    142       1.92   tsutsui lkkbd0	at	zsc1 channel ?			# keyboard port on A channels
    143       1.92   tsutsui vsms0	at	zsc0 channel ?			# mouse port on A channels
    144        1.1       cjs 
    145        1.1       cjs # PCI host bus adapter support
    146        1.1       cjs apecs*	at	mainbus?
    147        1.1       cjs cia*	at	mainbus?
    148       1.39   thorpej irongate* at	mainbus?
    149        1.1       cjs lca*	at	mainbus?
    150        1.4       cjs dwlpx*	at	kft?
    151       1.18   thorpej mcpcia*	at	mcbus? mid ?
    152       1.27      ross tsp*	at	tsc?
    153       1.49   thorpej ttwoga*	at	mainbus?
    154       1.40   thorpej 
    155       1.40   thorpej # Sable PCI and STDIO bus and devices
    156       1.57     lukem ttwopci* at	ttwoga? hose ?
    157       1.57     lukem sableio* at	ttwopci? bus ?
    158       1.57     lukem com*	at	sableio? port ?
    159       1.57     lukem lpt*	at	sableio? port ?
    160       1.57     lukem pckbc*	at	sableio? port ?
    161       1.49   thorpej fdc*	at	sableio? port ?
    162        1.1       cjs 
    163        1.1       cjs # PCI bus support
    164        1.1       cjs pci*	at	apecs?
    165        1.1       cjs pci*	at	cia?
    166       1.39   thorpej pci*	at	irongate?
    167        1.1       cjs pci*	at	lca?
    168        1.1       cjs pci*	at	ppb?
    169        1.4       cjs pci*	at	dwlpx?
    170       1.18   thorpej pci*	at	mcpcia?
    171       1.27      ross pci*	at	tsp?
    172       1.49   thorpej pci*	at	ttwopci?
    173        1.1       cjs 
    174      1.108  uebayasi # AGP support
    175      1.108  uebayasi agp*	at	irongate?
    176      1.108  uebayasi 
    177        1.1       cjs # PCI devices
    178       1.29   thorpej adv*	at	pci? dev ? function ?		# AdvanSys SCSI
    179       1.29   thorpej adw*	at	pci? dev ? function ?		# AdvanSys Wide SCSI
    180       1.66       wiz #options 	SCSI_ADW_WDTR_DISABLE		# 	disable WDTR
    181       1.66       wiz #options 	SCSI_ADW_SDTR_DISABLE		# 	disable SDTR
    182       1.66       wiz #options 	SCSI_ADW_TAGQ_DISABLE		# 	disable Tag Queuing
    183        1.1       cjs ahc*	at	pci? dev ? function ?		# Adaptec [23]94x, aic78x0 SCSI
    184       1.23      ross bha*	at	pci? dev ? function ?		# BusLogic 9xx SCSI (untested)
    185       1.36        ad cac*	at	pci? dev ? function ?		# Compaq array controller (untested)
    186       1.30        ad dpt*	at	pci? dev ? function ?		# DPT SmartCache/SmartRAID
    187        1.1       cjs ep*	at	pci? dev ? function ?		# 3COM 3c59x/3c90x Ethernet
    188       1.25  christos epic*	at	pci? dev ? function ?		# SMC EPIC/100 Ethernet
    189       1.56   hubertf ex*	at	pci? dev ? function ?		# 3COM 3c90x[BC] Ethernet
    190       1.23      ross fxp*	at	pci? dev ? function ?		# Intel EEPRO 10+/100B
    191       1.54   thorpej gsip*	at	pci? dev ? function ?		# NS DP83820 Gigabit Ethernet
    192       1.53     lukem iha*	at	pci? dev ? function ?		# Initio INIC-940/950 SCSI
    193        1.1       cjs isp*	at	pci? dev ? function ?		# Qlogic ISP 10x0 SCSI
    194  1.110.4.2    martin pcn*	at	pci? dev ? function ?		# PCnet-PCI Ethernet
    195       1.54   thorpej sf*	at	pci? dev ? function ?		# Adaptec AIC-6915 Ethernet
    196       1.40   thorpej siop*	at	pci? dev ? function ?		# Symbios 53c8xx SCSI
    197       1.50        ad mlx*	at	pci? dev ? function ?		# Mylex DAC960 / DEC SWXCR (untested)
    198       1.72   thorpej mpt*	at	pci? dev ? function ?		# LSI Fusion SCSI/FC
    199       1.25  christos ne*	at	pci? dev ? function ?		# NE2000-compatible Ethernet
    200        1.1       cjs pceb*	at	pci? dev ? function ?		# Intel PCI-EISA Bridges
    201       1.92   tsutsui pciide* at	pci? dev ? function ? flags 0x0000	# GENERIC pciide driver
    202       1.92   tsutsui acardide* at	pci? dev ? function ?		# Acard IDE controllers
    203       1.92   tsutsui aceride* at	pci? dev ? function ?		# Acer Lab IDE controllers
    204       1.92   tsutsui artsata* at	pci? dev ? function ?		# Intel i31244 SATA controller
    205       1.92   tsutsui cmdide* at	pci? dev ? function ?		# CMD tech IDE controllers
    206       1.92   tsutsui cypide* at	pci? dev ? function ?		# Cypress IDE controllers
    207       1.92   tsutsui hptide* at	pci? dev ? function ?		# Triones/HighPoint IDE controllers
    208       1.92   tsutsui optiide* at	pci? dev ? function ?		# Opti IDE controllers
    209       1.92   tsutsui pdcide* at	pci? dev ? function ?		# Promise IDE controllers
    210       1.92   tsutsui pdcsata* at	pci? dev ? function ?		# Promise SATA150 controllers
    211       1.92   tsutsui satalink* at	pci? dev ? function ?		# SiI SATALink controllers
    212       1.92   tsutsui siside* at	pci? dev ? function ?		# SiS IDE controllers
    213       1.92   tsutsui slide*  at	pci? dev ? function ?		# Symphony Labs IDE controllers
    214       1.92   tsutsui viaide* at	pci? dev ? function ?		# VIA/AMD/Nvidia IDE controllers
    215       1.91   tsutsui pcn*	at	pci? dev ? function ?		# AMD PCnet-PCI Ethernet
    216       1.23      ross pcscp*	at	pci? dev ? function ?		# AMD Am53c974 PCscsi-PCI
    217        1.1       cjs ppb*	at	pci? dev ? function ?		# PCI-PCI Bridges
    218       1.92   tsutsui re*	at	pci? dev ? function ?		# Realtek 8169 Ethernet
    219       1.79       wiz rtk*	at	pci? dev ? function ?		# Realtek 8129/8139 Ethernet
    220        1.1       cjs sio*	at	pci? dev ? function ?		# Intel PCI-ISA Bridges
    221       1.31   thorpej sip*	at	pci? dev ? function ?		# SiS 900 Ethernet
    222       1.92   tsutsui stge*	at	pci? dev ? function ?		# Sundance/Tamarack TC9021 GigE
    223        1.1       cjs tga*	at	pci? dev ? function ?		# DEC ZLXp-E[123] Graphics
    224       1.92   tsutsui ti*	at	pci? dev ? function ?		# Alteon Tigon Gig-E
    225       1.18   thorpej tl*	at	pci? dev ? function ?		# TI ThunderLAN Ethernet
    226       1.31   thorpej tlp*	at	pci? dev ? function ?		# DECchip 21x4x and clones
    227        1.1       cjs vga*	at	pci? dev ? function ?		# PCI VGA Graphics
    228       1.25  christos vr*	at	pci? dev ? function ?		# VIA Rhine Fast Ethernet
    229       1.70     grant wi*	at	pci? dev ? function ?		# Lucent/Intersil WaveLAN/IEEE
    230       1.92   tsutsui wm*	at	pci? dev ? function ?		# Intel 8254x Ethernet
    231       1.18   thorpej 
    232       1.18   thorpej # MII/PHY support
    233       1.26  christos exphy*	at mii? phy ?			# 3Com internal PHYs
    234       1.59       wiz icsphy*	at mii? phy ?			# Integrated Circuit Systems ICS189x
    235       1.26  christos inphy*	at mii? phy ?			# Intel 82555 PHYs
    236       1.26  christos lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
    237       1.54   thorpej gphyter* at mii? phy ?			# NS83861 Gig-E PHY
    238       1.91   tsutsui makphy*	at mii? phy ?			# Marvell Semiconductor 88E1000 PHYs
    239       1.26  christos nsphy*	at mii? phy ?			# NS83840 PHYs
    240       1.54   thorpej nsphyter* at mii? phy ?			# NS83843 PHYs
    241       1.26  christos qsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
    242       1.91   tsutsui rgephy*	at mii? phy ?			# Realtek 8169S internal PHYs
    243       1.91   tsutsui rlphy*	at mii? phy ?			# Realtek 8139 PHYs
    244       1.26  christos sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    245       1.26  christos tlphy*	at mii? phy ?			# ThunderLAN PHYs
    246       1.26  christos ukphy*	at mii? phy ?			# generic unknown PHYs
    247        1.1       cjs 
    248        1.1       cjs # ISA/EISA bus support
    249       1.40   thorpej isa*	at	jensenio?
    250       1.40   thorpej eisa*	at	jensenio?
    251        1.1       cjs isa*	at	pceb?
    252        1.1       cjs eisa*	at	pceb?
    253        1.1       cjs isa*	at	sio?
    254        1.1       cjs 
    255        1.1       cjs # ISA devices
    256        1.1       cjs mcclock* at	isa? port 0x70
    257       1.10  drochner pckbc*	at	isa?				# PC keyboard controller
    258       1.10  drochner pckbd*	at	pckbc?				# PC keyboard (kbd port)
    259       1.20  drochner pms*	at	pckbc?				# PS/2-style mouse (aux port)
    260        1.1       cjs com*	at	isa? port 0x3f8 irq 4		# standard serial ports
    261        1.1       cjs com*	at	isa? port 0x2f8 irq 3
    262        1.1       cjs ep*	at	isa? port ? irq ?		# 3COM 3c509 Ethernet
    263       1.22   thorpej fdc0	at	isa? port 0x3f0 irq 6 drq 2	# floppy controller
    264       1.92   tsutsui lc0	at	isa? port 0x300 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
    265       1.92   tsutsui lc1	at	isa? port 0x320 iomem ? irq ?	# DEC EtherWORKS III (LEMAC)
    266       1.92   tsutsui depca0	at	isa? port 0x300 iomem 0xd0000 iosiz 0x10000 irq 5 	# DEPCA
    267       1.92   tsutsui depca1	at	isa? port 0x200 iomem 0xd8000 iosiz 0x8000 irq 10 	# DEPCA
    268       1.92   tsutsui le*	at	depca?
    269        1.1       cjs lpt*	at	isa? port 0x3bc irq 7		# standard parallel port
    270        1.1       cjs vga*	at	isa?				# ISA (EISA: XXX) VGA
    271        1.5   thorpej wdc0	at	isa? port 0x1f0 irq 14		# ST506/ESDI/IDE controllers
    272        1.5   thorpej wdc1	at	isa? port 0x170 irq 15
    273       1.92   tsutsui we0	at	isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC Ethernet
    274       1.92   tsutsui we1	at	isa? port 0x300 iomem 0xcc000 irq 10
    275        1.1       cjs 
    276        1.1       cjs # EISA devices
    277       1.23      ross ahb*	at	eisa? slot ?			# Adaptec 174[024] SCSI (unt.)
    278        1.1       cjs ahc*	at	eisa? slot ?			# Adaptec 274x, aic7770 SCSI
    279        1.1       cjs bha*	at	eisa? slot ?			# BusLogic 7xx SCSI
    280        1.4       cjs ep*	at	eisa? slot ?			# 3COM 3c579 Ethernet (untested)
    281       1.52        ad mlx*	at	eisa? slot ?			# Mylex DAC960 / DEC SWXCR (untested)
    282       1.31   thorpej tlp*	at	eisa? slot ?			# DEC DE-425 Ethernet
    283       1.41   thorpej depca*	at	eisa? slot ?			# DEC DE-422 Ethernet
    284       1.41   thorpej le*	at	depca?
    285       1.23      ross uha*	at	eisa? slot ?			# UltraStor 24f SCSI (unt.)
    286        1.1       cjs 
    287        1.1       cjs # SCSI bus support
    288       1.92   tsutsui scsibus* at	scsi?
    289        1.1       cjs 
    290        1.1       cjs # SCSI devices
    291        1.1       cjs cd*	at	scsibus? target ? lun ?		# SCSI CD-ROM drives
    292        1.1       cjs sd*	at	scsibus? target ? lun ?		# SCSI disk drives
    293        1.1       cjs st*	at	scsibus? target ? lun ?		# SCSI tape drives
    294        1.1       cjs 
    295       1.76     lukem # ATA (IDE) bus support
    296       1.76     lukem atabus* at ata?
    297       1.74    bouyer 
    298       1.76     lukem # IDE drives
    299       1.74    bouyer wd*	at	atabus? drive ?
    300        1.5   thorpej 
    301        1.5   thorpej # ATAPI bus support
    302       1.76     lukem atapibus* at	atapi?
    303        1.5   thorpej 
    304        1.5   thorpej # ATAPI devices
    305        1.5   thorpej sd*	at	atapibus? drive ?		# ATAPI disk devices
    306        1.5   thorpej cd*	at	atapibus? drive ?		# ATAPI CD-ROM devices
    307       1.22   thorpej 
    308       1.22   thorpej # Floppy drives
    309       1.22   thorpej fd*	at	fdc? drive ?
    310       1.36        ad 
    311       1.36        ad # Hardware RAID devices
    312       1.48        ad ld*	at	cac? unit ?
    313       1.51   minoura ld*	at	mlx? unit ?
    314        1.1       cjs 
    315        1.1       cjs # Workstation Console attachments
    316       1.68        ad wsdisplay*	at	cfb?
    317       1.68        ad wsdisplay*	at	mfb?
    318       1.68        ad wsdisplay*	at	tfb?
    319       1.68        ad wsdisplay*	at	sfb?
    320       1.68        ad #wsdisplay*	at	sfbp?
    321       1.68        ad wsdisplay*	at	px?
    322       1.68        ad wsdisplay*	at	pxg?
    323       1.92   tsutsui wsdisplay*	at	vga?
    324       1.92   tsutsui wsdisplay*	at	tga?
    325       1.92   tsutsui wskbd*		at	lkkbd? console ?
    326       1.92   tsutsui wsmouse*	at	vsms?
    327       1.12   thorpej wskbd*		at	pckbd?
    328       1.20  drochner wsmouse*	at	pms?
    329        1.1       cjs 
    330      1.106    martin pseudo-device	raid			# RAIDframe disk driver
    331      1.106    martin options 	RAID_AUTOCONFIG		# auto-configuration of RAID components
    332      1.106    martin 
    333      1.105   tsutsui pseudo-device	bpfilter
    334      1.104  christos pseudo-device	loop
    335      1.100   hannken pseudo-device	md		
    336       1.89      cube pseudo-device	ppp		
    337      1.104  christos pseudo-device	pty			# pseudo-terminals
    338       1.89      cube pseudo-device	sl		
    339       1.73    itojun 
    340       1.99     pooka #pseudo-device	fss			# file system snapshot device
    341