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Date:      Sun, 3 Oct 1999 10:45:52 +0200
From:      "mark rowlands" <mar@bull.se>
To:        "FreeBSD-questions (E-mail)" <FreeBSD-questions@FreeBSD.ORG>
Cc:        <freebsd-xircom@lovett.com>
Subject:   pcmcia network card problems  3com and Xircom fail to initialize
Message-ID:  <000001bf0d7b$b3a2e980$5ff1b581@pcmarhem>

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3.3 Release with 3com 3c589c  and or Xircom CEM56  10/100 + 56 modem.

files attached below

3com  pccardc dumpcis
Xircom pccardc dumpcis
dmesg
kernel configuration
pccard.conf  (default as far as I am aware)

When inserting either card in slot 1 : pccardd no card in database for for
""("")  (repeated 3 times)


When inserting 3com in slot 1

driver allocation failed for 3com corporation   (3 times)

When inserting Xircom  in slot 1

driver allocation failed for Xircom corporation   (3 times)

I have switched just about everything off to free up irq's

Windows shows that the xircom likes irq3,  the 3com irq 9  the both devices
seem to want an io range of 1020 - 102f  ( reported in the driver resources
window)

My questions, whilst being many, in essence boil down to one.

Where do i find a good explanation of how the  card , pcicx and device
options in the kernel,  the pccard.conf  and rc.conf options relate to each
other and how (if indeed they do) do these relate to the resources shown as
in use by the card and their controllers in windows.

It may be worth noting that the 3com worked (mostly) with the PAOified 3.2
release.


# Sample PCCARD configuration file
#
# Removing all IRQ conflicts from this file can't be done because of some
# IRQ-selfish PC-cards.  So if you want to use some of these cards in
# your machine, you will be forced to modify their IRQ parameters from
# the following list.
#
# IRQ == 0 means "allocate free IRQ from IRQ pool"
# IRQ == 16 means "do not use IRQ (e.g. PIO mode)"
#
# $FreeBSD: src/etc/pccard.conf.sample,v 1.24.2.12 1999/09/11 09:36:53
obrien Exp $

# Generally available IO ports
io	0x240-0x360
# Generally available IRQs (Built-in sound-card owners remove 5)
irq	3 5 9 10 11 13 15
# Available memory slots
memory	0xd4000  96k


# 3Com Etherlink III 3C589B, 3C589C
card "3Com Corporation" "3C589"
	config	0x1 "ep0" ?
	insert	echo 3Com Etherlink III inserted
	insert	/etc/pccard_ether ep0 -link0 link1
#	insert	/etc/pccard_ether ep0 link0 -link1
	remove	echo 3Com Etherlink III removed
	remove	/sbin/ifconfig ep0 delete

# 3Com Etherlink III 3C589D
card "3Com Corporation" "3C589D"
	config	0x1 "ep0" ?
	insert	echo 3Com Etherlink III inserted
	insert	/etc/pccard_ether ep0
	remove	echo 3Com Etherlink III removed
	remove	/sbin/ifconfig ep0 delete

# 3Com Fast Etherlink 3C574TX
card "3Com" "3C574-TX Fast EtherLink PC Ca"
	config	0x1 "ep0" ? 0x1
	insert	echo 3Com Fast Etherlink 3C574TX inserted
	insert	/etc/pccard_ether ep0
	remove	echo 3Com Fast Etherlink 3C574TX removed
	remove	/sbin/ifconfig ep0 delete


# Xircom CreditCard Modem
card "Xircom" "CreditCard Modem CM-56T"
	config 0x17 "sio1" ?
	reset   100
	insert  echo Xircom CreditCard Modem CM-56T inserted
	remove  echo Xircom CreditCard Modem CM-56T removed

# Xircom CreditCard Ethernet+Modem (Modem only !!!)
card "Xircom" "CreditCard Ethernet"
	config  0x23 "sio2" ?
	insert  echo Xircom CreditCard Modem inserted
	remove  echo Xircom CreditCard Modem removed

# Xircom CreditCard Ethernet 10/100 + modem (modem only)
card "Xircom" "CreditCard Ethernet 10/100 + "
	config  0x1f "sio3" ?
	insert  echo Xircom CreditCard Modem inserted
	remove  echo Xircom CreditCard Modem removed

# Xircom CreditCard Ethernet 10/100 + modem (Ethernet part)
card "Xircom" "CreditCard Ethernet 10/100 + Modem 56"
	config  0x17 "sio3" ?
	insert  echo Xircom CreditCard Modem inserted
	insert /etc/pccard_ether xe0
	remove  echo Xircom CreditCard Modem removed
	remove /sbin/ifconfig xe0 delete

# Xircom CreditCard Ethernet 10/100
card "Xircom" "CreditCard 10/100"
	config  0x1 "xe0" ?
	insert  echo Xircom CreditCard Ethernet inserted
	insert	/etc/pccard_ether xe0
	remove  echo Xircom CreditCard Ethernet removed
	remove	/etc/pccard_ether xe0 delete

# Xircom GlobalACCESS modem
card "Xircom" "CreditCard Modem 56 - GlobalA"
 	config 0x1f "sio2" ?
 	insert  echo Xircom CreditCard Modem 56 - GlobalACCESS inserted
 	remove  echo Xircom CreditCard Modem 56 - GlobalACCESS removed



# 3com/USR/Megahertz 3CCM556
card "3Com" "3CXM/3CCM556"
	config 0x23 "sio2" ?
	insert echo 3Com PCMCIA 56K Modem inserted
	remove echo 3Com PCMCIA 56K Modem removed

# 3Com/NoteWorthy 56K modem (bundled with Toshiba notebooks)
card "Toshiba America" "3CXM056-BNW"
      config  0x20 "sio1" ?
      insert  echo NoteWorthy 56K PCMCIA Modem inserted
      remove  echo NoteWorthy 56K PCMCIA Modem removed



# 3Com Megahertz 3CCE589E* 10 Mbps LAN PC Card
card "3Com" "Megahertz 589E"
        config 0x1 "ep0" ?
        insert echo 3Com Megahertz Ethernet card inserted
        insert /etc/pccard_ether ep0
        remove echo 3Com Megahertz Ethernet card removed
        remove /sbin/ifconfig ep0 delete

# 3Com/USR/MegaHertz 3CCM156
card "3COM" "3CCM156"
	config 0x23 "sio2" ?
	insert echo 3Com PCMCIA 56K modem inserted
	remove echo 3Com PCMCIA 56K modem removed

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Xircom dumpcis output

Code 136 not found
Code 136 not found
code Unknown ignored
code Manufacturer ID ignored
Configuration data for card in slot 1
Tuple #1, code = 0x1 (Common memory descriptor), length = 2
    000:  00 ff
	Common memory device information:
		Device number 1, type No device, WPS = OFF
		Speed = No speed, Memory block size = reserved, 32 units
Tuple #2, code = 0x17 (Attribute memory descriptor), length = 2
    000:  00 ff
	Attribute memory device information:
		Device number 1, type No device, WPS = OFF
		Speed = No speed, Memory block size = reserved, 32 units
Tuple #3, code = 0x15 (Version 1 info), length = 59
    000:  05 00 58 69 72 63 6f 6d 00 43 72 65 64 69 74 43
    010:  61 72 64 20 45 74 68 65 72 6e 65 74 20 31 30 2f
    020:  31 30 30 20 2b 20 4d 6f 64 65 6d 20 35 36 00 43
    030:  45 4d 35 36 00 31 2e 30 30 00 ff
	Version = 5.0, Manuf = [Xircom],card vers = [CreditCard Ethernet 10/100 +
Modem 56]
	Addit. info = [CEM56],[1.00]
Tuple #4, code = 0x0 (Null tuple), length = 8
    000:  cf c6 99 00 00 00 00 00
Tuple #5, code = 0x0 (Null tuple), length = 5
    000:  05 01 0a 11 46
Tuple #6, code = 0x44 (Card init date), length = 4
    000:  f0 44 6d 24
Tuple #7, code = 0x1a (Configuration map), length = 5
    000:  01 3f 80 ff 67
	Reg len = 2, config register addr = 0xff80, last config = 0x3f
	Registers: XXX--XX-
Tuple #8, code = 0x1b (Configuration entry), length = 20
    000:  e7 c1 9d 0f 55 4d 5d 4e e0 17 17 ea 60 e8 02 07
    010:  f0 bc 8e 20
	Config index = 0x27(default)
	Interface byte = 0xc1 (I/O)  +RDY/-BSY active, wait signal supported
	Vcc pwr:
		Nominal operating supply voltage: 5 x 1V
		Minimum operating supply voltage: 4.5 x 1V
		Maximum operating supply voltage: 5.5 x 1V
		Continuous supply current: 4.5 x 100mA
	Wait scale Speed = 1.2 x 10 ms
	RDY/BSY scale Speed = 1.2 x 10 ms
	Card decodes 23 address lines
		IRQ modes:
		IRQs:  NMI IOCK BERR 0 1 2 4 8 9 10 12
	Max twin cards = 0
	Misc attr: (Power down supported)
Tuple #9, code = 0x1b (Configuration entry), length = 7
    000:  1f 08 ea 60 e8 03 07
	Config index = 0x1f
	Card decodes 10 address lines, full 8/16 Bit I/O
		I/O address # 1: block start = 0x3e8 block length = 0x8
Tuple #10, code = 0x1b (Configuration entry), length = 7
    000:  17 08 ea 60 f8 02 07
	Config index = 0x17
	Card decodes 10 address lines, full 8/16 Bit I/O
		I/O address # 1: block start = 0x2f8 block length = 0x8
Tuple #11, code = 0x1b (Configuration entry), length = 7
    000:  0f 08 ea 60 f8 03 07
	Config index = 0xf
	Card decodes 10 address lines, full 8/16 Bit I/O
		I/O address # 1: block start = 0x3f8 block length = 0x8
Tuple #12, code = 0x1b (Configuration entry), length = 3
    000:  3f 08 63
	Config index = 0x3f
	Card decodes 3 address lines, full 8/16 Bit I/O
Tuple #13, code = 0x21 (Functional ID), length = 2
    000:  02 00
	Serial port/modem
Tuple #14, code = 0x22 (Functional EXT), length = 4
    000:  00 02 0f 5c
	Serial interface extension:
		16550 UART, Parity - Space,Mark,Odd,Even,
Tuple #15, code = 0x22 (Functional EXT), length = 12
    000:  02 06 00 3f 1c 03 03 0f 07 00 01 b5
	Data modem services available:
Tuple #16, code = 0x22 (Functional EXT), length = 8
    000:  13 06 00 0b 00 02 00 b5
Tuple #17, code = 0x21 (Functional ID), length = 2
    000:  06 00
	Network/LAN adapter
Tuple #18, code = 0x22 (Functional EXT), length = 8
    000:  04 06 00 80 c7 cf c6 99
	Voice services available:
Tuple #19, code = 0x14 (No link), length = 0
Tuple #20, code = 0xff (Terminator), length = 0
2 slots found

XXXXXXXXXXXXXXXXXXXXXXXx

3com dumpcis

Configuration data for card in slot 1
Tuple #1, code = 0x1 (Common memory descriptor), length = 2
    000:  00 ff
	Common memory device information:
		Device number 1, type No device, WPS = OFF
		Speed = No speed, Memory block size = reserved, 32 units
Tuple #2, code = 0x17 (Attribute memory descriptor), length = 3
    000:  43 02 ff
	Attribute memory device information:
		Device number 1, type EEPROM, WPS = OFF
		Speed = 150nS, Memory block size = 8Kb, 1 units
Tuple #3, code = 0x20 (Manufacturer ID), length = 4
    000:  01 01 89 05
	PCMCIA ID = 0x101, OEM ID = 0x589
Tuple #4, code = 0x21 (Functional ID), length = 2
    000:  06 00
	Network/LAN adapter
Tuple #5, code = 0x15 (Version 1 info), length = 57
    000:  04 01 33 43 6f 6d 20 43 6f 72 70 6f 72 61 74 69
    010:  6f 6e 00 33 43 35 38 39 00 54 50 2f 42 4e 43 20
    020:  4c 41 4e 20 43 61 72 64 20 56 65 72 2e 20 32 61
    030:  00 30 30 30 30 30 32 00 ff
	Version = 4.1, Manuf = [3Com Corporation],card vers = [3C589]
	Addit. info = [TP/BNC LAN Card Ver. 2a],[000002]
Tuple #6, code = 0x1a (Configuration map), length = 6
    000:  02 03 00 00 01 03
	Reg len = 3, config register addr = 0x10000, last config = 0x3
	Registers: XX------
Tuple #7, code = 0x1b (Configuration entry), length = 15
    000:  c1 01 1d 71 55 35 55 54 e0 72 5d 64 30 ff ff
	Config index = 0x1(default)
	Interface byte = 0x1 (I/O)
	Vcc pwr:
		Nominal operating supply voltage: 5 x 1V
		Max current average over 1 second: 3 x 10mA
		Max current average over 10 ms: 5 x 10mA
		Power down supply current: 5 x 1mA
	Wait scale Speed = 7.0 x 100 ns
	RDY/BSY scale Speed = 7.0 x 100 ns
	Card decodes 18 address lines, full 8/16 Bit I/O
		IRQ modes: Level, Pulse
		IRQs:  IOCK 1 4 5 6 8 10 11 12 14
Tuple #8, code = 0x1b (Configuration entry), length = 7
    000:  03 01 71 55 26 26 54
	Config index = 0x3
	Vcc pwr:
		Nominal operating supply voltage: 5 x 1V
		Max current average over 1 second: 2 x 100mA
		Max current average over 10 ms: 2 x 100mA
		Power down supply current: 5 x 1mA
Tuple #9, code = 0x19 (JEDEC descr for attribute memory), length = 3
    000:  00 00 ff
Tuple #10, code = 0x14 (No link), length = 0
Tuple #11, code = 0x10 (Checksum), length = 5
    000:  89 ff 80 00 00
	Checksum from offset -119, length 128, value is 0x0
Tuple #12, code = 0xff (Terminator), length = 218
    000:  00 03 00 00 00 00 00 00 43 32 20 54 45 41 4d 2d
    010:  45 61 72 6c 20 41 6c 64 72 69 64 67 65 2c 20 52
    020:  65 78 20 41 6c 6c 65 72 73 2c 20 52 75 73 73 65
    030:  6c 6c 20 43 68 61 6e 67 2c 20 44 61 76 69 64 20
    040:  43 68 69 68 2c 20 48 65 72 6d 61 6e 20 4c 61 6f
    050:  2c 20 47 65 6e 65 20 4c 69 6e 2c 20 4c 69 61 6e
    060:  67 20 4c 69 6e 2c 20 48 69 65 6e 20 4e 67 75 79
    070:  65 6e 2c 20 4b 61 70 20 53 6f 68 2c 20 47 61 72
    080:  79 20 57 61 6e 67 00 ff ff ff ff ff ff ff ff ff
    090:  ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
    0a0:  ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
    0b0:  ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
    0c0:  ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
    0d0:  ff ff ff ff ff ff ff ff ff ff
2 slots found

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

dmesg

Copyright (c) 1992-1999 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
	The Regents of the University of California. All rights reserved.
FreeBSD 3.3-RELEASE #1: Sat Oct  2 10:24:51 GMT 1999
    root@:/usr/src/sys/compile/GENERIC
Timecounter "i8254"  frequency 1193182 Hz
CPU: Pentium/P55C (167.05-MHz 586-class CPU)
  Origin = "GenuineIntel"  Id = 0x543  Stepping = 3
  Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
real memory  = 134217728 (131072K bytes)
avail memory = 127971328 (124972K bytes)
Preloaded elf kernel "kernel" at 0xc027a000.
Probing for devices on PCI bus 0:
chip0: <Intel 82439TX System Controller (MTXC)> rev 0x01 on pci0.0.0
chip1: <Intel 82371AB PCI to ISA bridge> rev 0x01 on pci0.1.0
ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev 0x01 on pci0.1.1
chip2: <Intel 82371AB Power management controller> rev 0x01 on pci0.1.3
vga0: <NeoMagic NM2160 laptop SVGA controller> rev 0x00 int a irq 255 on
pci0.2.0
pcic0: <TI PCI-1131 PCI-CardBus Bridge> rev 0x01 int a irq 255 on pci0.10.0
pcic1: <TI PCI-1131 PCI-CardBus Bridge> rev 0x01 int b irq 255 on pci0.10.1
Probing for PnP devices:
Probing for devices on the ISA bus:
sc0 on isa
sc0: VGA color <16 virtual consoles, flags=0x0>
atkbdc0 at 0x60-0x6f on motherboard
atkbd0 irq 1 on isa
psm0 irq 12 on isa
psm0: model IntelliMouse, device ID 3
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 8250
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1 not found at 0x2f8
ppc0 not found
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <TOSHIBA MK6409MAV>
wd0: 6194MB (12685680 sectors), 13424 cyls, 15 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (atapi): <CD-220E/1.0D>, removable, accel, ovlap, dma, iordis
acd0: drive speed 3445KB/sec, 128KB cache
acd0: supported read types: CD-R, CD-DA
acd0: Audio: play, 256 volume levels
acd0: Mechanism: ejectable tray
acd0: Medium: CD-ROM 120mm photo disc loaded, unlocked
xe0: probe
xe0 not found
vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
npx0 on motherboard
npx0: INT 16 interface
PC-Card VLSI 82C146 (5 mem & 2 I/O windows)
pcic: controller irq 3
Initializing PC-card drivers: xe sio
Intel Pentium detected, installing workaround for F00F bug
changing root device to wd0s2a


XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

kernel

#
# GENERIC -- Generic machine with WD/AHx/NCR/BTx family disks
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
#
#    http://www.freebsd.org/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (http://www.FreeBSD.ORG/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ./LINT configuration file. If you are
# in doubt as to the purpose or necessity of a line, check first in LINT.
#
# $FreeBSD: src/sys/i386/conf/GENERIC,v 1.143.2.22 1999/09/14 22:53:30 jkh
Exp $

machine		"i386"
cpu		"I586_CPU"
ident		GENERIC
maxusers	32

options 	MATH_EMULATE		#Support for x87 emulation
options 	INET			#InterNETworking
options 	FFS			#Berkeley Fast Filesystem
options 	FFS_ROOT		#FFS usable as root device [keep this!]
options 	MFS			#Memory Filesystem
options 	MFS_ROOT		#MFS usable as root device, "MFS" req'ed
options 	MSDOSFS			#MSDOS Filesystem
options 	"CD9660"		#ISO 9660 Filesystem
options 	"CD9660_ROOT"		#CD-ROM usable as root. "CD9660" req'ed
options 	PROCFS			#Process filesystem
options 	"COMPAT_43"		#Compatible with BSD 4.3 [KEEP THIS!]
options 	SCSI_DELAY=15000	#Be pessimistic about Joe SCSI device
options 	UCONSOLE		#Allow users to grab the console
options 	FAILSAFE		#Be conservative
options 	USERCONFIG		#boot -c editor
options 	VISUAL_USERCONFIG	#visual boot -c editor
options 	KTRACE			#ktrace(1) syscall trace support
options 	SYSVSHM			#SYSV-style shared memory
options 	SYSVMSG			#SYSV-style message queues
options 	SYSVSEM			#SYSV-style semaphores

config		kernel	root on wd0

# To make an SMP kernel, the next two are needed
#options 	SMP			# Symmetric MultiProcessor Kernel
#options 	APIC_IO			# Symmetric (APIC) I/O
# Optionally these may need tweaked, (defaults shown):
#options 	NCPU=2			# number of CPUs
#options 	NBUS=4			# number of busses
#options 	NAPIC=1			# number of IO APICs
#options 	NINTR=24		# number of INTs

controller	isa0
controller	pnp0			# PnP support for ISA
controller	eisa0
controller	pci0

# Floppy drives
controller	fdc0	at isa? port "IO_FD1" bio irq 6 drq 2
disk		fd0	at fdc0 drive 0
disk		fd1	at fdc0 drive 1

# IDE controller and disks
options		"CMD640"	# work around CMD640 chip deficiency
controller	wdc0	at isa? port "IO_WD1" bio irq 14
disk		wd0	at wdc0 drive 0
disk		wd1	at wdc0 drive 1

controller	wdc1	at isa? port "IO_WD2" bio irq 15
disk		wd2	at wdc1 drive 0
disk		wd3	at wdc1 drive 1

# ATAPI devices
options		ATAPI		#Enable ATAPI support for IDE bus
options		ATAPI_STATIC	#Don't do it as an LKM
device		acd0		#IDE CD-ROM

# SCSI Controllers
# A single entry for any of these controllers (ncr, ahb, ahc) is
# sufficient for any number of installed devices.


# SCSI peripherals
# Only one of each of these is needed, they are dynamically allocated.
controller	scbus0		# SCSI bus (required)
device		da0		# Direct Access (disks)
device		sa0		# Sequential Access (tape etc)
device		cd0		# CD
device		pass0		# Passthrough device (direct SCSI)

# Proprietary or custom CD-ROM Interfaces

# atkbdc0 controls both the keyboard and the PS/2 mouse
controller	atkbdc0	at isa? port IO_KBD tty
device		atkbd0	at isa? tty irq 1
device		psm0	at isa? tty irq 12

device		vga0	at isa? port ? conflicts

# splash screen/screen saver
pseudo-device	splash

# syscons is the default console driver, resembling an SCO console
device		sc0	at isa? tty

# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device		vt0	at isa? tty
#options 	XSERVER			# support for X server
#options 	FAT_CURSOR		# start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT
lines
#options 	PCVT_SCANSET=2		# IBM keyboards are non-std

# Floating point support - do not disable.
device		npx0	at isa? port IO_NPX irq 13

# Power management support (see LINT for more options)
device		apm0    at isa?	disable	flags 0x31 # Advanced Power Management

# PCCARD (PCMCIA) support
controller	card0
device		pcic0	at card?
device		pcic1	at card?

# Serial (COM) ports
device		sio0	at isa? port "IO_COM1" flags 0x10 tty irq 4
device		sio1	at isa? port "IO_COM2" tty irq 3
device		sio2	at isa? disable port "IO_COM3" tty irq 5
device		sio3	at isa? disable port "IO_COM4" tty irq 9

# Parallel port
device		ppc0	at isa? port? flags 0x40 tty irq 7
controller	ppbus0			# Parallel port bus (required)
device		lpt0	at ppbus?	# Printer
device		plip0	at ppbus?	# TCP/IP over parallel
device		ppi0	at ppbus?	# Parallel port interface device
#controller	vpo0	at ppbus?	# Requires scbus and da0

# PCI Ethernet NICs.
# ISA Ethernet NICs.
# Order is important here due to intrusive probes, do *not* alphabetize
# this list of network interfaces until the probes have been fixed.
# Right now it appears that the ie0 must be probed before ep0. See
# revision 1.20 of this file.
# requires PCCARD (PCMCIA) support to be activated
device		xe0	at isa? port? net irq ?

# PCCARD NIC drivers.
# ze and zp take over the pcic and cannot coexist with generic pccard
# support, nor the ed and ep drivers they replace.

# Pseudo devices - the number indicates how many units to allocated.
pseudo-device	loop		# Network loopback
pseudo-device	ether		# Ethernet support
pseudo-device	sl	1	# Kernel SLIP
pseudo-device	ppp	1	# Kernel PPP
pseudo-device	tun	1	# Packet tunnel
pseudo-device	pty	16	# Pseudo-ttys (telnet etc)
pseudo-device	gzip		# Exec gzipped a.out's

# The `bpfilter' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# The number of devices determines the maximum number of
# simultaneous BPF clients programs runnable.
pseudo-device	bpfilter 1	#Berkeley packet filter










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