path: root/distrib/notes/i386/hardware

OpenBSD/MACHINE OSREV runs on ISA (AT-Bus), EISA, PCI, and VL-bus systems
with 386-family processors, with or without math coprocessors.  It
does NOT support MCA systems, such as some IBM PS/2 systems.  The
minimal configuration to install the system is 6M or 8M of RAM and
perhaps 50M of disk space.  A custom kernel might be able to run
with only 4MB, though we do not know of anyone running with a system
quite this minimal today.  To install the entire system requires
much more disk space, and to run X or compile the system, more RAM
is recommended.  (8M of RAM will actually allow you to run X and/or
compile but it won't be speedy.  Note that until you have around 16M
of RAM, getting more RAM is more important than getting a faster CPU.)
 
Supported devices {:-include-:}:
	Floppy controllers.
	MFM, ESDI, IDE, and RLL hard disk controllers.
	SCSI host adapters:
		Adaptec AHA-154xA, -B, -C, and -CF 
		Adaptec AHA-174x
		Adaptec AIC-6260 and AIC-6360 based boards, including
			the Adaptec AHA-152x and the SoundBlaster SCSI
			host adapter.  (Note that you cannot boot from
			these boards if they do not have a boot ROM;
			only the AHA-152x and motherboards using this chip
			are likely to be bootable, consequently.)
		Adaptec AHA-294x[W] cards and some onboard PCI designs using
			the AIC7870 chip.  The 2940AU is known not to perform
			very well with this driver.
		Adaptec AHA-394x[W] cards; two AIC7870 chips with an on-board
			PCI to PCI bridge.
		Adaptec AIC-7770-based SCSI host adapters (including the
			Adaptec AHA-274x, AHA-284x families).
		Adaptec Ultra160 controller family, including 7892, 7899,
			29160, 39160, and other variants
		AdvanSys PCI SCSI host adapters (including ABP-940, ASB-3940
			and ASB-3950 families)
		WD-7000 SCSI host adapters.
		Buslogic 54x (Adaptec AHA-154x clones; driver on kcadp floppy)
		BusLogic 445, 74x, 9xx  (But not the new "FlashPoint" series
			of BusLogic SCSI adapters)
		Symbios Logic (NCR) 53C8xx-based PCI SCSI host adapters
		Ultrastor 14f, 34f, and (possibly) 24f
		Seagate/Future Domain ISA SCSI adapter cards, including
			ST01/02
			Future Domain TMC-885
			Future Domain TMC-950
		Initio INIC-940 and INIC-950 based PCI SCSI cards, including
			Initio INI-9090U
			Initio INI-9100U/UW
			Iwill 2935UW
		AMD Am53c974 PCscsi-PCI SCSI controllers
	RAID controllers:
		3ware Escalade 3W-5x00, 3W-6x00
		American Megatrends Inc. MegaRAID controllers
		Compaq Smart ARRAY PCI/EISA adapters
		DPT SmartCache III/IV PCI/EISA adapters 
		ICP-Vortex GDT 6XXXRP series
		Adaptec FSA-based
	MDA, CGA, VGA, SVGA, and HGC Display Adapters.  (Note that not
		all of the display adapters OpenBSD/i386 can work with
		are supported by X.  See the XFree86 FAQ for more
		information.)
	Serial ports:
		8250/16450-based ports
		16550-based ports
		ST16660-base ports
		XR16850-based ports (only in the pccom driver)
		AST-style 4-port serial boards [*]
		BOCA 8-port serial cards [*] 
		Cyclades Cyclom-{4, 8, 16}Y serial boards [*]
		IBM PC-RT 4-port serial boards [*]
	Parallel ports.
	Ethernet adapters:
		Alteon Tigon I/II PCI Gigabit Ethernet boards [*] [+]:
			3Com 3c985 and 3c905B
			Alteon ACEnic V (fiber and copper)
			Netgear GA620 and GA620T
			SGI Tigon
			Farallon PN9000
		AMD LANCE and PCnet-based ISA Ethernet adapters [*], including:
			Novell NE1500T
			Novell NE2100
			Kingston 21xx
		AMD PCnet-based PCI Ethernet adapters, including:
			BOCALANcard/PCI
		        AT&T StarLAN 10, EN100, and StarLAN Fiber
		ASIX 88140A/88141 PCI Ethernet adapters, including:
			CNet Pro110
			Alfa Inc. GFC2204
		3COM 3c501
		3COM 3c503
		3COM 3c505 [*]
		3COM 3c507
		3COM 3c509, 3c579, 3c589, 3c59x
		3COM 3c515 [*] [+]
		3COM 3c900, 3c900b, 3c905, and 3c905b, 3c905c
		Digital DC21x4x-based PCI Ethernet adapters, including:
			SMC EtherPower 10, 10/100 (PCI only!)
			Znyx ZX34X
			Cogent EM100
			Digital DE450
			Digital DE500
		BICC Isolan [* and not recently tested]
		Intel EtherExpress 16
		SMC/WD 8003, 8013, and the SMC "Elite16" ISA boards
		SMC/WD 8216 (the SMC "Elite16 Ultra" ISA boards)  [X SEE BELOW]
		SMC EtherPower II (EPIC 10/100)
		Novell NE1000, NE2000
		Digital DEFPA PCI FDDI adapters
		Intel EtherExpress 100 Fast Ethernet adapters
		Intel Pro/1000 Gigabit Ethernet adapters
		Texas Instruments ThunderLAN PCI Ethernet adapters, including:
			Compaq Netelligent PCI Adapters
			Compaq NetFlex 3/P
			Compaq Deskpro integrated adapter
			Compaq Prosignia integrated adapter
			Olicom OC2135, OC2183, OC2325, OC2326
			Racore 8165 and 8148
			TI ThunderLAN adapters
		RealTek 8129, RealTek 8139 Ethernet adapters, including:
			Accton MPX 5030/5038
			Allied Telesyn AT2550
			Encore ENL832-TX 10/100 M PCI
			Genius GF100TXR
			KTX-9130TX 10/100 Fast Ethernet
			Longshine LCS-8038TX-R
			NDC NE100TX-E
			Netronix EA-1210 Net Ether 10/100
			OvisLink LEF-8129TX, LEF-8139TX
			SMC EZ Card 10/100 PCI 1211-TX
		Macronix 98713/98715/98725 Ethernet adapters, including:
			NDC Communications SOHOware SFA110
			SVEC PN102-TX fast ethernet card
		Lite-On PNIC/PNIC-II Ethernet adapters, including:
			Bay Networks Netgear FA310TX rev D1
			LinkSys LNE100TX
			Matrox Networks FastNIC 10/100
		Winbond W89C840F Ethernet adapters, including:
			Trendware TE100-PCIE
			Compex RL100-ATX 10/100baseTX
		Xircom 16-bit PCMCIA adapters, including:
			Xircom CE3
			Xircom Realport
		Lucent technologies WaveLAN IEEE 802.11 [*] [+]
		SysKonnect SK-9841/9842/9843/9844 Gigabit Ethernet
			adapters [*] [+]
	Tape drives:
		Most SCSI tape drives
		QIC-02 and QIC-36 format (Archive- and Wangtek-
			compatible) tape drives [*] [+]
	CD-ROM drives:
		Mitsumi CD-ROM drives [*] [+]
			[Note: The Mitsumi driver device probe is known 
			to cause trouble with several devices!]
		Most SCSI CD-ROM drives
		Most ATAPI CD-ROM drives
			[Note: With single ATAPI device IDE busses, the
			ATAPI device should be set to SLAVE.]
	Mice:
		"Logitech"-style bus mice [*] [+]
		"Microsoft"-style bus mice [*] [+]
		"PS/2"-style mice [*] [+]
		Serial mice (uses serial port driver)
	Sound Cards:
		SoundBlaster [*] [+]
		Gravis Ultrasound and Ultrasound Max [*] [+]
			[The following drivers are not extensively tested]
		Personal Sound System [*] [+]
		Windows Sound System [*] [+]
		ProAudio Spectrum [*] [+]
		ESS PnP audio cards [*] [+]
		ESS Solo-1 PCI-based audio cards [*] [+]
		AC'97 sound a part of Intel 810/815/440MX chipsets [*] [+]
	Cryptography Accelerators
		Hi/Fn 7751 based boards, including:
			GTGI PowerCrypt Encryption Accelerator
	Miscellaneous:
		OPTi(82C929) chipset for multi-interface CD-ROM, and
			sound ISA cards.
		PCI-PCI bridges and cards which {:-include-:} them, such as
			the AHA-394x SCSI host adapter and some
			DC21x4x-based multi-Ethernet cards.
		Brooktree 8[47][89] based frame grabber and TV tuner cards, 
			such as: [*] [+]
			Hauppage Wincast TV
			STB TV PCI Television Tuner
			Miro PC TV
			Intel Smart Video Recorder III
		APM v1.1 power management,
		PCI BIOS v2.x interrupt and address configuration.

Drivers for hardware marked with "[*]" are NOT included on the
distribution floppies.  Except as noted above, all other drivers are
present on install floppy.  Also, at the present time, the
distributed kernels support only one SCSI host adapter per machine.
OpenBSD normally allows more, though, so if you have more than one, you
can use all of them by compiling a custom kernel once OpenBSD is
installed.

Support for devices marked with "[+]" IS included in the "generic" kernels,
although it is not in the kernel on the installation floppy.


Hardware the we do NOT currently support, but get many questions
about:
	NCR 5380-based SCSI host adapters.
	QIC-40 and QIC-80 tape drives.  (Those are the tape drives
		that connect to the floppy disk controller.)
	Multiprocessor systems.  (Though they should run fine using
		one processor only.)

We are planning future support for many of these devices.

To be detected by the distributed kernels, the devices must
be configured as follows:

Device		Name	Port	IRQ	DRQ	Misc
------		----	----	---	---	----
Serial ports	pccom0	0x3f8	4		[8250/16450/16550/clones]
		pccom1	0x2f8	3		[8250/16450/16550/clones]
		pccom2	0x3e8	5		[8250/16450/16550/clones]
		pccom3	0x2e8	3		[PCMCIA modem cards]
		ast0	0x1a0	5		[AST 4-port serial card]

Parallel ports	lpt0	0x378	7		[interrupt-driven or polling]
		lpt1	0x278			[polling only]
		lpt2	0x3bc			[polling only]

MFM/ESDI/IDE/RLL hard disk controllers
		wdc0	0x1f0	14		[supports two disks or atapi]
		wdc1	0x170	15		[supports two disks or atapi]

Floppy controller
		fdc0	0x3f0	6	2	[supports two disks]

AHA-154x, AHA-174x (in compatibility mode), or BT-54x SCSI host adapters
		aha0	0x330	any	any
		aha1	0x334	any	any

AHA-174x SCSI host adapters (in enhanced mode)
		ahb0	any	any	any

AHA-284x,274x,2940, aic7770 SCSI host adapters
		ahc0	any	any

BT445, BT74x, or BT9xx SCSI host adapters
		bt0	0x330	any	any
		bt1	0x334	any	any

Ultrastor 14f, 24f (if it works), or 34f SCSI host adapters
		uha0	0x330	any	any
		uha1	0x334	any	any

AHA-152x, AIC-6260- or AIC-6360-based SCSI host adapters
		aic0	0x340	11	6

Seagate ST0[12], Future Domain TMC-8xx based SCSI controllers 
		sea0		5		iomem 0xc8000

Symbios Logic/NCR 53C8xx based PCI SCSI host adapters
		ncr0	any	any	any

WD7000 and TMC-7000 SCSI host adapters
		wds0	0x350	15	6
		wds1	0x358	11	5

SCSI disks	sd0	first SCSI disk (by SCSI id)
		sd1	second SCSI disk (by SCSI id)
		sd2	third SCSI disk (by SCSI id)
		sd3	fourth SCSI disk (by SCSI id)

SCSI tapes	st0	first SCSI tape (by SCSI id)
		st1	second SCSI tape (by SCSI id)

SCSI CD-ROMs	cd0	first SCSI CD-ROM (by SCSI id)
		cd1	second SCSI CD-ROM (by SCSI id)

DPT SmartCache III/IV PCI/EISA adapters 
		dpt0	any	any	any

ICP-Vortex GDT 6XXXRP series
		gdt0	any	any	any

3ware Escalade 3W-5x00, 3W-6x00
		twe0	any	any	any

Adaptec FSA-based
		aac0	any	any	any

Compaq Smart ARRAY PCI/EISA adapters
		cac0	any	any	any

SMC/WD 8003, 8013, Elite16, and Elite16 Ultra Ethernet boards
		we0	0x280	9
		we1	0x300	10

Novell NE1000, or NE2000 Ethernet boards
		ne0	0x240	9		iomem 0xd8000
		ne1	0x300	10

3COM 3c501 Ethernet boards
		el0	0x300	9

3COM 3c503 Ethernet boards
		ec0	0x250	9		iomem 0xd8000

3COM 3c505/Etherlink+ Ethernet boards
		eg0	0x310	5

3COM 3c509, 3c579, 3c595 Ethernet boards
		ep0	any	any

3COM 3c515
		ef0	any	any

3COM 3c900, 3c900b, 3c905, 3c905b Ethernet boards
		xl0	any	any	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

AT&T StarLAN 10, EN100, or StarLAN Fiber, or 3COM 3c507 Ethernet boards
		ie0	0x360	7		iomem 0xd0000

EtherExpress boards
		ie1	0x300	10

PCNet-PCI based Ethernet boards; see above for partial list
		le0	any	any	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

DC21x4x based Ethernet boards; see above for partial list
		de0	any	any 	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

Intel EtherExpress 100 Ethernet boards
		fxp0	any	any 	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

SMC EtherPower II (EPIC) 10/100 Ethernet boards
		tx0	any	any 	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

DEC Tulip clones (Macronix, Lite-On, Davicom)
		dc0	any	any	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

Alteon Tigon I/II PCI Gigabit Ethernet boards
		ti0	any	any	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

SysKonnect 984x Gigabit Ethernet boards
		sk0	any	any	[you must assign an interrupt in your
					 PCI BIOS, or let it do so for you]

SPECIAL CARE FOR SMC ULTRA ELITE
--------------------------------


Note for SMC Elite Ultra ethernet card users:  The Elite Ultra is very
sensitive to how its I/O port is treated.  Mistreating it can cause
a number of effects -- everything from the card not responding when the
kernel probes, or the soft configuration being corrupted or wiped completely.

By default, the kernel ships with device we1 configured for the 'default'
Elite Ultra locations, comprising of port 0x300, irq 10, and memory location
0xcc000.  This matches a hard coded jumper on the board as well a common
soft config setting.

Unfortunately, the kernel's autconfiguration process (specifically, some
of the devices it probes for) cause conflicts with the SMC Elite Ultra, and
very often cause it to lose its configuration and fail its own probe.
If this happens, you must boot the computer into DOS, and run the EzSetup
program from SMC (if you do not have a copy on the floppy
accompanying your board, the complete URL to download the program is 
ftp://ftp.smc.com/pub/nics/ethernet/elite_ultra/gez122.exe).  This program
will allow you to reconfigure and recover a card that has lost its
configuration with a minimum of hassle.

In order to avoid blowing away the card, one *must* use the run-time kernel
configuration system when booting the Install kernel.  This is done by
giving the -c flag to the initial boot request.  Following the loading of
the kernel, the user is presented with a

UKC>

prompt.  At this prompt, a variety of commands may be issued, but the
relevant one to getting the SMC Elite Ultra running is 'disable'.  The
wt0, el0, and ie1 devices all need to be disabled.  This is done by typing
'disable' followed by the name of the device, i.e., 'disable wt0', and
pressing return.

If, for some reason, your Elite Ultra is not configured at the 'default'
location the kernel is expecting it, you may also use the 'change' command
in the UKC system to modify where the kernel will look for it.  Typing
'change we1' will allow you to modify those settings.  Note that running the
card at an i/o port of anything other then 0x300 at this point is not
recommended, and is beyond the scope of this document-- by doing so you
risk other device probes wreaking the havoc we are trying to avoid.

When all three extra devices are disabled and any changes made, the
'quit' command will exit the UKC.  The kernel should then boot, and find
your Elite Ultra on device we1.

SPECIAL CARE FOR PCI BIOS
 
As all BIOS implementations and subsystems this one has bugs too.
Sometimes specifications are unclear about interfaces and/or
data validation.
These all cause our driver for PCI BIOS to misbehave in more or
less fatal ways, such as panics on pcibios0 configuration or
pci device attachments, or unconfigured pci devices due to
irq and/or I/O address misconfiguration.

Fast workaround

Boot by giving the -c flag to the initial boot request.
Following the loading of the kernel, the user is presented with a

UKC>

Then type the following commands:

UKC> change bios0
165 bios0 at mainbus0 bus -1 flags 0x0
change [n] y
bus [-1] ? <enter>
flags [0] ? 3
165 bios0 changed
165 bios0 at mainbus0 bus -1 flags 0x3
UKC> quit

This will disable the pcibios0 attachment.
Sometimes, especially when hangs occur on particular pci device
attachments, moving pci cards into a different slot helps.

Fixing for good

Try to gather dmesg output from the failing configuration, for
example by using serial console (see boot(8)) and send it to
mickey@openbsd.org along with descriptions of your hardware setup.
Dig in the code and fix problems.