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INSTALL revision 1.9
      1 #	$NetBSD: INSTALL,v 1.9 1999/06/26 18:47:15 mrg Exp $
      2 #
      3 # from: NetBSD: GENERIC,v 1.84 1999/06/06 13:00:03 mrg Exp
      4 #
      5 # floppy install kernel.  try to keep this in sync with GENERIC but
      6 # leave as much disabled as possible.
      7 
      8 include "arch/sparc/conf/std.sparc"
      9 
     10 maxusers	32
     11 
     12 # Enable the hooks used for initializing the root memory-disk.
     13 options 	MEMORY_DISK_HOOKS
     14 options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
     15 options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
     16 #options 	MINIROOTSIZE=3074	# size of memory disk, in blocks
     17 options 	MINIROOTSIZE=3312	# 1.44M * 1.15.  this must match
     18 					# what is `instfs' in /etc/disktab.
     19 
     20 pseudo-device	md		1	# memory disk device (ramdisk)
     21 
     22 ## System kernel configuration.  See options(4) for more detail.
     23 
     24 
     25 # Options for variants of the Sun SPARC architecure.
     26 # We currently support three architecture types; at least one is required.
     27 #options 	SUN4		# sun4/100, sun4/200, sun4/300
     28 options 	SUN4C		# sun4c - SS1, 1+, 2, ELC, SLC, IPC, IPX, etc.
     29 options 	SUN4M		# sun4m - SS10, SS20, Classic, etc.
     30 
     31 #options 	SUN4_MMU3L	# 3-level MMU on sun4/400; (incomplete)
     32 
     33 ## System options specific to the sparc machine type
     34 
     35 # Blink the power LED on some machines to indicate the system load.
     36 #options 	BLINK
     37 
     38 ## Use a faster console than the PROM's slow drawing routines.  Not needed
     39 ## for headless (no framebuffer) machines.
     40 #options 	RASTERCONSOLE		# fast rasterop console
     41 #options 	FONT_GALLANT12x22	# the console font
     42 #options 	FONT_BOLD8x16		# a somewhat smaller font
     43 #options	RASTERCONSOLE_FGCOL=WSCOL_BLACK
     44 #options	RASTERCONSOLE_BGCOL=WSCOL_WHITE
     45 
     46 #### System options that are the same for all ports
     47 
     48 ## Root device configuration: change the ?'s if you are going to use a
     49 ## nonstandard root partition (other than where the kernel is booted from)
     50 ## and/or nonstandard root type (not ffs or nfs).  Normally this can be
     51 ## automagically determined at boot time.
     52 
     53 config		netbsd	root on ? type ?
     54 
     55 ## System call tracing (see ktrace(1)).
     56 #options 	KTRACE
     57 
     58 ## Collect statistics on kernel malloc's and free's.  This does have a
     59 ## significant performance hit on slower machines, so it is intended for
     60 ## diagnostic use only.
     61 options 	KMEMSTATS
     62 
     63 ## System V compatible IPC subsystem.  (msgctl(2), semctl(2), and shmctl(2))
     64 #options 	SYSVMSG		# System V message queues
     65 #options 	SYSVSEM		# System V semaphores
     66 #options 	SYSVSHM		# System V shared memory
     67 #options 	SHMMAXPGS=1024	# 1024 pages is the default
     68 
     69 ## Loadable kernel module support; still under development.
     70 #options 	LKM
     71 
     72 ## NFS boot options; default on sparc is the bootparam protocol
     73 options 	NFS_BOOT_BOOTPARAM
     74 #options 	NFS_BOOT_BOOTP
     75 #options 	NFS_BOOT_DHCP
     76 
     77 #### Debugging options
     78 
     79 ## The DDB in-kernel debugger runs at panic (unless DDB_ONPANIC=0), or at
     80 ## serial console break or keyboard reset, where the PROM would normally
     81 ## intercept.  DDB_HISTORY_SIZE adds up/down arrow command history.
     82 options 	DDB			# kernel dynamic debugger
     83 #options 	DDB_HISTORY_SIZE=100	# enable history editing in DDB
     84 #options 	DDB_ONPANIC=1		# see also sysctl(8): `ddb.onpanic'
     85 
     86 ## You may also use gdb, on another computer connected to this machine over
     87 ## a serial port.  Both KGDBDEV and KGDBRATE should be specified; KGDBDEV is
     88 ## a dev_t encoded device number of the serial port to use.
     89 ## (0xc01 = ttya, 0xc02 = ttyb.)
     90 #options 	KGDB		# support for kernel gdb
     91 #options 	KGDBDEV=0xc01	# kgdb device number (this sample is `ttyb')
     92 #options 	KGDBRATE=38400	# baud rate
     93 
     94 
     95 ## Compile the kernel with debugging symbols (`netbsd.gdb' is the debug file),
     96 ## such that gdb(1) can be used on a kernel coredump.
     97 
     98 #makeoptions 	DEBUG="-g"
     99 
    100 
    101 ## Adds code to the kernel that does internal consistency checks, and will
    102 ## cause the kernel to panic if corruption of internal data structures
    103 ## is detected.
    104 #options 	DIAGNOSTIC	# extra kernel sanity checking
    105 
    106 ## Enable (possibly expensive) debugging code that may also display messages
    107 ## on the system console
    108 #options 	DEBUG
    109 
    110 ## Make SCSI error messages more verbose when explaining their meanings.
    111 #options 	SCSIVERBOSE
    112 
    113 ## `INSECURE' turns off the kernel security level (securelevel = 0 always).
    114 ## This allows writing to /dev/mem, loading kernel modules while multi-user,
    115 ## and other insecurities good only for development work.  Do not use this
    116 ## option on a production machine.
    117 options 	INSECURE
    118 
    119 ## Allow non-root users to grab /dev/console with programs such as xconsole.
    120 ## `xconsole' therefore does not need setuid root with this option enabled.
    121 #options 	UCONSOLE
    122 
    123 ## `FDSCRIPTS' allows non-readable but executable scripts by providing a
    124 ## pre-opened opaque file to the script interpreter.  `SETUIDSCRIPTS',
    125 ## which implies FDSCRIPTS, allows scripts to be set-user-id using the same
    126 ## opaque file mechanism.  Perl calls this "secure setuid scripts."
    127 
    128 #options 	FDSCRIPTS
    129 #options 	SETUIDSCRIPTS
    130 
    131 ## Options for compatibility with previous releases foreign system binaries.
    132 ## In the cases of COMPAT_SUNOS and COMPAT_SVR4, you may need to set up
    133 ## additional user-level utilities or system configuration files. See
    134 ## compat_sunos(8) and compat_svr4(8).
    135 
    136 #options 	COMPAT_43	# 4.3BSD system interfaces
    137 #options 	COMPAT_10	# NetBSD 1.0 binary compatibility
    138 #options 	COMPAT_11	# NetBSD 1.1 binary compatibility
    139 #options 	COMPAT_12	# NetBSD 1.2 binary compatibility
    140 options 	COMPAT_13	# NetBSD 1.3 binary compatibility
    141 #options 	COMPAT_SUNOS	# SunOS 4.x binary compatibility
    142 #options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
    143 #options 	COMPAT_AOUT	# NetBSD a.out compatibility
    144 
    145 ## File systems.  You probably need at least one of FFS or NFS.
    146 file-system	FFS		# Berkeley Fast Filesystem
    147 file-system	NFS		# Sun NFS-compatible filesystem client
    148 file-system	KERNFS		# kernel data-structure filesystem
    149 #file-system	NULLFS		# NULL layered filesystem
    150 file-system	MFS		# memory-based filesystem
    151 #file-system	FDESC		# user file descriptor filesystem
    152 #file-system	UMAPFS		# uid/gid remapping filesystem
    153 #file-system	LFS		# Log-based filesystem (still experimental)
    154 #file-system	PORTAL		# portal filesystem (still experimental)
    155 #file-system	PROCFS		# /proc
    156 file-system	CD9660		# ISO 9660 + Rock Ridge file system
    157 #file-system	UNION		# union file system
    158 #file-system	MSDOSFS		# MS-DOS FAT filesystem(s).
    159 
    160 ## File system options.
    161 #options 	NFSSERVER	# Sun NFS-compatible filesystem server
    162 #options 	QUOTA		# FFS quotas
    163 #options 	FFS_EI		# FFS Endian Independent support
    164 
    165 ## Network protocol support.  In most environments, INET is required.
    166 options 	INET		# IP (Internet Protocol) v4
    167 options 	TCP_COMPAT_42	# 4.2BSD IP implementation compatibility
    168 #options 	GATEWAY		# packet forwarding ("router switch")
    169 #options 	MROUTING	# packet forwarding of multicast packets
    170 #options 	DIRECTED_BROADCAST	# allow broadcasts through routers
    171 #options 	NS		# Xerox NS networking
    172 #options 	NSIP		# Xerox NS tunneling over IP
    173 #options 	ISO,TPIP	# OSI networking
    174 #options 	EON		# OSI tunneling over IP
    175 #options 	CCITT,LLC,HDLC	# X.25 packet switched protocol
    176 #options 	NETATALK	# AppleTalk (over Ethernet) protocol
    177 #options 	NTP		# Network Time Protocol in-kernel support
    178 #options 	PPS_SYNC	# Add serial line synchronization for NTP
    179 #options 	PFIL_HOOKS	# Add pfil(9) hooks, intended for custom LKMs.
    180 #options 	IPFILTER_LOG	# Add ipmon(8) logging for ipfilter device
    181 #options 	PPP_BSDCOMP	# Add BSD compression to ppp device
    182 #options 	PPP_DEFLATE	# Add deflate (libz) compression to ppp device
    183 #options 	PPP_FILTER	# Add active filters for ppp (via bpf)
    184 
    185 
    186 
    187 #### Main bus and CPU .. all systems.
    188 mainbus0 at root
    189 cpu0	at mainbus0
    190 
    191 #### Bus types found on SPARC systems.
    192 
    193 sbus0	at mainbus0				# sun4c
    194 obio0	at mainbus0				# sun4 and sun4m
    195 #vme0	at mainbus0				# sun4
    196 iommu0	at mainbus0				# sun4m
    197 sbus0	at iommu0				# sun4m
    198 vme0	at iommu0				# sun4m
    199 
    200 ## SBus expander box
    201 xbox*	at sbus? slot ? offset ?
    202 sbus*	at xbox?
    203 
    204 ## SBus to PCMCIA bridge
    205 # Currently enabling nell* with audioamd* causes panic at attach
    206 #nell*	at sbus? slot ? offset ?		# PCMCIA bridge
    207 #pcmcia*	at nell?
    208 
    209 #### Standard system devices -- all required for a given architecture
    210 
    211 ## Auxiliary system registers on sun4c and sun4m
    212 auxreg0	at mainbus0				# sun4c
    213 auxreg0	at obio0				# sun4m
    214 
    215 ## Power status and control register on Sun4m systems
    216 power0	at obio0
    217 
    218 ## Mostek clock found on 4/300, sun4c, and sun4m systems.
    219 ## The Mostek clock NVRAM is the "eeprom" on sun4/300 systems.
    220 clock0	at mainbus0				# sun4c
    221 clock0	at obio0				# sun4m
    222 #clock0	at obio0 addr 0xf2000000		# sun4/300
    223 
    224 ## Intersil clock found on 4/100 and 4/200 systems.
    225 #oclock0	at obio0 addr 0xf3000000		# sun4/200
    226 #oclock0	at obio0 addr 0x03000000		# sun4/100
    227 
    228 ## Memory error registers.
    229 memreg0	at mainbus0				# sun4c
    230 memreg0	at obio0				# sun4m
    231 #memreg0	at obio0 addr 0xf4000000		# sun4/200 and sun4/300
    232 #memreg0	at obio0 addr 0x04000000		# sun4/100
    233 
    234 ## ECC memory control
    235 eccmemctl0 at mainbus0				# sun4m
    236 
    237 ## Timer chip found on 4/300, sun4c, and sun4m systems.
    238 timer0	at mainbus0				# sun4c
    239 timer0	at obio0				# sun4m
    240 #timer0	at obio0 addr 0xef000000		# sun4/300
    241 
    242 ## EEPROM found on 4/100 and 4/200 systems.  Note that the 4/300
    243 ## doesn't use this driver; the `EEPROM' is in the NVRAM on the
    244 ## Mostek clock chip on 4/300 systems.
    245 #eeprom0	at obio0 addr 0xf2000000		# sun4/200
    246 #eeprom0	at obio0 addr 0x02000000		# sun4/100
    247 
    248 
    249 #### Serial port configuration
    250 
    251 ## Zilog 8530 serial chips.  Each has two-channels.
    252 ## zs0 is ttya and ttyb.  zs1 is the keyboard and mouse.
    253 zs0	at mainbus0					# sun4c
    254 zs0	at obio0					# sun4m
    255 #zs0	at obio0 addr 0xf1000000 level 12 flags 0x103	# sun4/200 and sun4/300
    256 #zs0	at obio0 addr 0x01000000 level 12 flags 0x103	# sun4/100
    257 zstty0	at zs0 channel 0	# ttya
    258 zstty1	at zs0 channel 1	# ttyb
    259 
    260 zs1	at mainbus0					# sun4c
    261 zs1	at obio0					# sun4m
    262 #zs1	at obio0 addr 0xf0000000 level 12 flags 0x103	# sun4/200 and sun4/300
    263 #zs1	at obio0 addr 0x00000000 level 12 flags 0x103	# sun4/100
    264 kbd0	at zs1 channel 0	# keyboard
    265 ms0	at zs1 channel 1	# mouse
    266 
    267 #zs2	at obio0 addr 0xe0000000 level 12 flags 0x103	# sun4/300
    268 #zstty2	at zs2 channel 0	# ttyc
    269 #zstty3	at zs2 channel 1	# ttyd
    270 
    271 
    272 ## Magma Serial/Parallel driver
    273 #magma*	at sbus? slot ? offset ?
    274 #mtty*	at magma?
    275 #mbpp*	at magma?
    276 
    277 ## PCMCIA serial interfaces
    278 #com*	at pcmcia?
    279 #pcmcom*	at pcmcia?
    280 #com*	at pcmcom?
    281 
    282 #### Disk controllers and disks
    283 
    284 #
    285 
    286 ## The following flags may be set for the NCR53c94 based esp driver:
    287 ##	bits 0-7:  disable disconnect/reselect for the corresponding target
    288 ##	bits 8-15: disable synchronous negotiation for target [bit-8]
    289 
    290 ## sun4/300, sun4c, sun4m on-board SCSI, and FSBE/S SBus SCSI cards.
    291 ## Both `dma' and `esp' are needed in all cases.
    292 ## Two kinds of additional SBus SCSI interfaces are available.  One uses
    293 ## "esp at sbus" like the sun4c on-board; the other uses "esp at dma".
    294 
    295 ## sun4/300 SCSI - an NCR53c94 or equivalent behind
    296 ## an LSI Logic DMA controller
    297 
    298 #dma0	at obio0 addr 0xfa001000 level 4		# sun4/300
    299 #esp0	at obio0 addr 0xfa000000 level 4 flags 0x0000	# sun4/300
    300 
    301 dma0	at sbus0 slot ? offset ?			# sun4c/sun4m
    302 esp0	at sbus0 slot ? offset ? flags 0x0000		# sun4c
    303 esp0	at dma0 flags 0x0000				# sun4m
    304 
    305 # FSBE/S SCSI
    306 dma*	at sbus? slot ? offset ?			# SBus
    307 esp*	at sbus? slot ? offset ? flags 0x0000		# SBus (older proms)
    308 esp*	at dma? flags 0x0000				# SBus
    309 
    310 scsibus* at esp?
    311 
    312 ## Qlogic ISP SBus SCSI Card
    313 isp*	at sbus? slot ? offset ?
    314 scsibus* at isp?
    315 
    316 ## NCR5380-based "Sun SCSI 3" VME SCSI controller.
    317 ## This driver has several flags which may be enabled by OR'ing
    318 ## the values and using the "flags" directive.
    319 ## Valid flags are:
    320 ##
    321 ##	0x01		Use DMA (may be polled)
    322 ##	0x02		Use DMA completion interrupts
    323 ##	0x04		Allow disconnect/reselect
    324 ##
    325 ## E.g. the following would enable DMA, interrupts, and reselect:
    326 ## si0	at vme0 addr 0x200000 level 3 vect 0x40 flags 0x07
    327 ##
    328 ## By default, DMA is enabled in the driver.
    329 
    330 #si0	at vme0 addr 0x200000 pri 2 vec 0x40
    331 #scsibus* at si?
    332 
    333 ## NCR5380-based "SCSI Weird" on-board SCSI interface found
    334 ## on sun4/100 systems.  The flags are the same as the "si"
    335 ## controller.  Note, while DMA is enabled by default, only
    336 ## polled DMA works at this time, and reselects do not work
    337 ## on this particular controller.
    338 
    339 #sw0	at obio0 addr 0x0a000000 level 3
    340 #scsibus* at sw?
    341 
    342 ## PCMCIA SCSI controllers
    343 #aic*	at pcmcia?
    344 #scsibus* at aic?
    345 
    346 
    347 ## These entries find devices on all SCSI busses and assign
    348 ## unit numbers dynamically.
    349 sd*	at scsibus? target ? lun ?		# SCSI disks
    350 st*	at scsibus? target ? lun ?		# SCSI tapes
    351 cd*	at scsibus? target ? lun ?		# SCSI CD-ROMs
    352 ch*	at scsibus? target ? lun ?		# SCSI changer devices
    353 #ss*	at scsibus? target ? lun ?		# SCSI scanners
    354 #uk*	at scsibus? target ? lun ?		# unknown SCSI
    355 
    356 
    357 ## Xylogics 753 or 7053 VME SMD disk controllers and disks, found
    358 ## on sun4 systems.
    359 #xdc0	at vme0 addr 0xee80 pri 3 vec 0x44
    360 #xdc1	at vme0 addr 0xee90 pri 3 vec 0x45
    361 #xdc2	at vme0 addr 0xeea0 pri 3 vec 0x46
    362 #xdc3	at vme0 addr 0xeeb0 pri 3 vec 0x47
    363 #xd*	at xdc? drive ?
    364 
    365 ## Xylogics 451 or 451 VME SMD disk controllers and disks, found
    366 ## on sun4 systems.
    367 #xyc0	at vme0 addr 0xee40 pri 3 vec 0x48
    368 #xyc1	at vme0 addr 0xee48 pri 3 vec 0x49
    369 #xy*	at xyc? drive ?
    370 
    371 
    372 ## Floppy controller and drive found on SPARCstations.
    373 
    374 fdc0	at mainbus0				# sun4c controller
    375 fdc0	at obio0				# sun4m controller
    376 fd*	at fdc0					# the drive itself
    377 
    378 ## PCMCIA IDE controllers
    379 #wdc*	at pcmcia?
    380 #wd*	at wdc?
    381 
    382 ## A disk-like interface to files.  Can be used to create floppy, CD,
    383 ## miniroot images, etc.
    384 
    385 #pseudo-device	vnd	4
    386 
    387 ## Concatenated and striped disks; with this, you can create a software-based
    388 ## disk array similar to a "RAID 0" setup.  See ccd(4).
    389 
    390 #pseudo-device	ccd	4
    391 
    392 ## RAIDframe disk driver: software RAID driver.  See raid(4).
    393 
    394 #pseudo-device	raid	4
    395 
    396 ## Memory disk device, used on boot floppies with compressed
    397 ## kernel-plus-root-disk images.
    398 
    399 #pseudo-device	md	1
    400 
    401 
    402 #### Network interfaces
    403 
    404 ## LANCE Ethernet - an AMD 7990 LANCE behind specialized DMA glue
    405 ## Three flavors of additional SBus ethernets are available.  One attaches
    406 ## directly like the sun4c on-board, one uses the ledma device like the
    407 ## sun4m on-board, and one uses the lebuffer device.
    408 
    409 #le0		at obio0 addr 0xf9000000 level 6	# sun4/300
    410 le0		at sbus0 slot ? offset ?		# sun4c on-board
    411 ledma0		at sbus0 slot ? offset ?		# sun4m on-board
    412 le0		at ledma0				# sun4m on-board
    413 le*		at sbus? slot ? offset ?		# SBus
    414 ledma*		at sbus? slot ? offset ?		# SBus
    415 le*		at ledma?				# SBus
    416 lebuffer0	at sbus? slot ? offset ?		# SBus
    417 le0		at lebuffer?				# SBus
    418 lebuffer*	at sbus? slot ? offset ?		# SBus
    419 le*		at lebuffer?				# SBus
    420 
    421 
    422 ## sun4/100 and sun4/200 Ethernet - an Intel 82586 on-board
    423 ## or on a Multibus/VME card.
    424 #ie0	at obio0 addr 0xf6000000 level 6		# sun4/200 on-board
    425 #ie0	at obio0 addr 0x06000000 level 6		# sun4/100 on-board
    426 #ie1	at vme0 addr 0xe88000 pri 3 vec 0x75		# VME
    427 #ie2	at vme0 addr 0x31ff02 pri 3 vec 0x76		# VME
    428 #ie3	at vme0 addr 0x35ff02 pri 3 vec 0x77		# VME
    429 #ie4	at vme0 addr 0x2dff02 pri 3 vec 0x7c		# VME
    430 
    431 ## qec/be, qec/hme
    432 qec*		at sbus? slot ? offset ?
    433 be*		at qec?
    434 qe*		at qec?
    435 
    436 # midway ATM
    437 en0	at sbus? slot ? offset ?
    438 
    439 # PCMCIA ethernet devices
    440 #ep*	at pcmcia?
    441 #mbe*	at pcmcia?
    442 #ne*	at pcmcia?
    443 #sm*	at pcmcia?
    444 
    445 # MII/PHY support
    446 #exphy*	at mii? phy ?			# 3Com internal PHYs
    447 #icsphy*	at mii? phy ?			# Integrated Circuit Systems ICS1890
    448 #inphy*	at mii? phy ?			# Intel 82555 PHYs
    449 #lxtphy*	at mii? phy ?			# Level One LXT-970 PHYs
    450 #nsphy*	at mii? phy ?			# NS83840 PHYs
    451 #qsphy*	at mii? phy ?			# Quality Semiconductor QS6612 PHYs
    452 #sqphy*	at mii? phy ?			# Seeq 80220/80221/80223 PHYs
    453 #tlphy*	at mii? phy ?			# ThunderLAN PHYs
    454 #ukphy*	at mii? phy ?			# generic unknown PHYs
    455 
    456 ## Loopback network interface; required
    457 pseudo-device	loop
    458 
    459 ## SLIP and CSLIP interfaces, for IP over a serial line.
    460 pseudo-device	sl		2
    461 
    462 ## PPP, the successor to SLIP.  See pppd(8).
    463 pseudo-device	ppp		2
    464 
    465 ## Starmode Radio IP, a special hardware network device.
    466 #pseudo-device	strip		1
    467 
    468 ## Network "tunnel" device, allowing protocol stacks to run in the userland.
    469 ## This is used by the third-party user-mode "ppp" program, and others.
    470 #pseudo-device	tun		4
    471 
    472 ## Generic L3 over IP tunnel
    473 #pseudo-device	gre		2	# generic L3 over IP tunnel
    474 
    475 ## Berkeley Packet Filter, required to run RARPD.  A generic C-language
    476 ## interface that allows selective examining of incoming packets.
    477 #pseudo-device	bpfilter	8
    478 
    479 ## IP Filter, used in firewall and NAT applications.  See ipnat(8) for
    480 ## one example of the use of the IP Filter.
    481 #pseudo-device	ipfilter
    482 
    483 
    484 #### Audio and video devices
    485 
    486 ## /dev/audio support (`audioamd' plus `audio')
    487 ##
    488 #audioamd0	at mainbus0				# sun4c
    489 #audioamd0	at obio0				# sun4m
    490 #audioamd0	at sbus0 slot ? offset ?		# sun4m
    491 #audio*		at audioamd0
    492 
    493 #audiocs0	at sbus0 slot ? offset ?		# SUNW,CS4231
    494 #audio*		at audiocs0
    495 
    496 
    497 ## Sun "bwtwo" black and white framebuffer, found on sun4, sun4c, and sun4m
    498 ## systems.  If your sun4 system has a cgfour installed in the P4 slot,
    499 ## the P4 entries for "bwtwo" will attach to the overlay plane of the
    500 ## "cgfour".
    501 
    502 bwtwo0		at sbus0 slot ? offset ?		# sun4c and sun4m
    503 bwtwo*		at sbus? slot ? offset ?		#
    504 #bwtwo0		at obio0 addr 0xfd000000 level 4	# sun4/200
    505 #bwtwo0		at obio0 addr 0xfb300000 level 4	# sun4/300 in P4 slot
    506 #bwtwo0		at obio0 addr 0x0b300000 level 4	# sun4/100 in P4 slot
    507 
    508 ## Sun "cgtwo" VME color framebuffer
    509 #cgtwo0		at vme0 addr 0x400000 pri ? vec 0xa8
    510 
    511 ## Sun "cgthree" Sbus color framebuffer
    512 cgthree0	at sbus? slot ? offset ?
    513 cgthree*	at sbus? slot ? offset ?
    514 #cgthree0	at obio? slot ? offset ?		# sun4m
    515 
    516 ## Sun "cgfour" color framebuffer with overlay plane.  See above comment
    517 ## regarding overlay plane.
    518 #cgfour0		at obio0 addr 0xfb300000 level 4	# sun4/300 P4
    519 #cgfour0		at obio0 addr 0x0b300000 level 4	# sun4/100 P4
    520 
    521 ## Sun "cgsix" accelerated color framebuffer.
    522 cgsix0		at sbus? slot ? offset ?
    523 cgsix*		at sbus? slot ? offset ?
    524 #cgsix0		at obio0 addr 0xfb000000 level 4	# sun4/300 P4
    525 #cgsix0		at obio0 addr 0x0b000000 level 4	# sun4/100 P4
    526 
    527 ## Sun "cgeight" 24-bit framebuffer
    528 #cgeight0 	at obio0 addr 0xfb300000 level 4	# sun4/300 P4
    529 #cgeight0	at obio0 addr 0x0b300000 level 4	# sun4/100 P4
    530 
    531 ## Sun "tcx" accelerated color framebuffer.
    532 tcx0		at sbus? slot ? offset ?
    533 tcx*		at sbus? slot ? offset ?
    534 
    535 # Sun "cgfourteen" accelerated 24-bit framebuffer.
    536 cgfourteen0	at obio0			# sun4m
    537 
    538 
    539 #### Other device configuration
    540 
    541 ## Pseudo ttys, required for network logins and programs like screen.
    542 ## 32 is a good number for average systems; you may have as many as you
    543 ## like, though 256 is more or less the upper limit.  Increasing this
    544 ## number still requires you to run /dev/MAKEDEV to create the files
    545 ## for the ptys.
    546 
    547 pseudo-device	pty		32	# pseudo-ttys (for network, etc.)
    548 
    549 ## Random device, used to implement /dev/random (a source of random noise),
    550 ## and generate randomness for some kernel formulae.
    551 
    552 pseudo-device	rnd
    553