Date: Thu, 15 Sep 2005 22:01:47 +1000 From: "Chris Richards" <chrisric@routemaster.net> To: <freebsd-usb@freebsd.org> Subject: USB 2.0 external hard drive only 1.000MB/s transfers Message-ID: <0C9AA1AB019C4A44AE29659CF2BB203202EA26@gir.routemaster.net>
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Hi,
I bought a USB 2.0 external hard drive and USB 2.0 PCI card to use for
backups on my FreeBSD box but the drive is recognised as only being able
to do 1.000MB/s transfers. Obviously a USB 2.0 drive should be able to
transfer data a lot faster... I have checked my config and can't see any
issues.
Can someone point me in the right direction or see an issue with my
config? I have included a "dmesg" and "kernel config" below.
Thank you in advance for your help.
Cheers.
-Chris
-------------
pciconf -l -v
-------------
hostb0@pci0:0:0: class=3D0x060000 card=3D0x00000000 =
chip=3D0x11308086
rev=3D0x02 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82815/EM/EP/P 815/EM/EP/P (Solano) Host to I/O Hub
Bridge'
class =3D bridge
subclass =3D HOST-PCI
agp0@pci0:2:0: class=3D0x030000 card=3D0x001a0e11 chip=3D0x11328086 =
rev=3D0x02
hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82815/EM/EP/P 815/EM/EP/P (Solano) Interal GUI
Accelerator'
class =3D display
subclass =3D VGA
pcib1@pci0:30:0: class=3D0x060400 card=3D0x00000000 =
chip=3D0x244e8086
rev=3D0x01 hdr=3D0x01
vendor =3D 'Intel Corporation'
device =3D '82801BA/CA/DB/DBL/EB/ER/FB (ICH2/3/4/4/5/5/6), 6300ESB
Hub Interface to PCI Bridge'
class =3D bridge
subclass =3D PCI-PCI
isab0@pci0:31:0: class=3D0x060100 card=3D0x00000000 =
chip=3D0x24408086
rev=3D0x01 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82801BA (ICH2) LPC Interface Controller'
class =3D bridge
subclass =3D PCI-ISA
atapci0@pci0:31:1: class=3D0x010180 card=3D0x24118086 =
chip=3D0x244b8086
rev=3D0x01 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82801BA (ICH2) UltraATA/100 IDE Controller'
class =3D mass storage
subclass =3D ATA
uhci2@pci0:31:4: class=3D0x0c0300 card=3D0x24118086 =
chip=3D0x24448086
rev=3D0x01 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82801BA/BAM (ICH2/ICH2-M) USB Universal Host =
Controller'
class =3D serial bus
subclass =3D USB
none0@pci0:31:5: class=3D0x040100 card=3D0x000f0e11 =
chip=3D0x24458086
rev=3D0x01 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82801BA/BAM (ICH2/ICH2-M) AC'97 Audio Controller'
class =3D multimedia
subclass =3D audio
uhci0@pci2:4:0: class=3D0x0c0300 card=3D0x30381106 chip=3D0x30381106 =
rev=3D0x61
hdr=3D0x00
vendor =3D 'VIA Technologies Inc'
device =3D 'VT82xxxxx UHCI USB 1.1 Controller (All VIA Chipsets)'
class =3D serial bus
subclass =3D USB
uhci1@pci2:4:1: class=3D0x0c0300 card=3D0x30381106 chip=3D0x30381106 =
rev=3D0x61
hdr=3D0x00
vendor =3D 'VIA Technologies Inc'
device =3D 'VT82xxxxx UHCI USB 1.1 Controller (All VIA Chipsets)'
class =3D serial bus
subclass =3D USB
ehci0@pci2:4:2: class=3D0x0c0320 card=3D0x31041106 chip=3D0x31041106 =
rev=3D0x63
hdr=3D0x00
vendor =3D 'VIA Technologies Inc'
device =3D 'VT6202 USB 2.0 Enhanced Host Controller'
class =3D serial bus
subclass =3D USB
fxp0@pci2:8:0: class=3D0x020000 card=3D0x00120e11 chip=3D0x24498086 =
rev=3D0x01
hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '82559ER 82559ER Integrated 10Base-T/100Base-TX =
Ethernet
Controller'
class =3D network
subclass =3D ethernet
wi0@pci2:10:0: class=3D0x028000 card=3D0x41051385 chip=3D0x38731260 =
rev=3D0x01
hdr=3D0x00
vendor =3D 'Intersil Americas Inc (Was: Harris Semiconductor)'
device =3D 'PRISM 2.5 802.11b 11Mbps Wireless Controller'
class =3D network
-------------
usbdevs -d
-------------
addr 1: UHCI root hub, VIA
uhub0
addr 2: USB TO IDE, vendor 0x05e3
umass0
addr 1: UHCI root hub, VIA
uhub1
addr 1: EHCI root hub, VIA
uhub2
addr 1: UHCI root hub, Intel
uhub3
addr 2: EZ USB/Ethernet Converter, SMC, Inc
aue0
-------------
dmesg
-------------
Copyright (c) 1992-2005 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights
reserved.
FreeBSD 6.0-BETA3 #0: Tue Aug 30 20:47:05 EST 2005
chrisric@spunky2.routemaster.net:/usr/obj/usr/src/sys/SPUNKY2
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel Pentium III (996.77-MHz 686-class CPU)
Origin =3D "GenuineIntel" Id =3D 0x68a Stepping =3D 10
=20
Features=3D0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE=
,
MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory =3D 267386880 (255 MB)
avail memory =3D 252207104 (240 MB)
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
cpu0 on motherboard
pcib0: <Intel 82815 (i815 GMCH) Host To Hub bridge> pcibus 0 on
motherboard
pir0: <PCI Interrupt Routing Table: 10 Entries> on motherboard
pci0: <PCI bus> on pcib0
agp0: <Intel 82815 (i815 GMCH) SVGA controller> mem
0x44000000-0x47ffffff,0x40400000-0x4047ffff irq 5 at device 2.0 on pci0
pcib1: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
pci2: <PCI bus> on pcib1
uhci0: <VIA 83C572 USB controller> port 0x1040-0x105f irq 5 at device
4.0 on pci2
uhci0: [GIANT-LOCKED]
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <VIA 83C572 USB controller> port 0x1060-0x107f irq 10 at device
4.1 on pci2
uhci1: [GIANT-LOCKED]
usb1: <VIA 83C572 USB controller> on uhci1
usb1: USB revision 1.0
uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
ehci0: <VIA VT6202 USB 2.0 controller> mem 0x40100000-0x401000ff irq 11
at device 4.2 on pci2
ehci0: [GIANT-LOCKED]
usb2: EHCI version 1.0
usb2: companion controllers, 2 ports each: usb0 usb1
usb2: <VIA VT6202 USB 2.0 controller> on ehci0
usb2: USB revision 2.0
uhub2: VIA EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub2: 4 ports with 4 removable, self powered
fxp0: <Intel 82801BA/CAM (ICH2/3) Pro/100 Ethernet> port 0x1000-0x103f
mem 0x40000000-0x40000fff irq 5 at device 8.0 on pci2
miibus0: <MII bus> on fxp0
inphy0: <i82562EM 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:02:a5:7e:c5:dd
fxp0: [GIANT-LOCKED]
wi0: <Intersil Prism2.5> mem 0x40500000-0x40500fff irq 11 at device 10.0
on pci2
wi0: [GIANT-LOCKED]
wi0: using RF:PRISM2.5 MAC:ISL3874A(Mini-PCI)
wi0: Intersil Firmware: Primary (1.1.0), Station (1.4.9)
wi0: Ethernet address: 00:09:5b:69:15:58
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH2 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x2460-0x246f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
uhci2: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port
0x2440-0x245f irq 11 at device 31.4 on pci0
uhci2: [GIANT-LOCKED]
usb3: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci2
usb3: USB revision 1.0
uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
pci0: <multimedia, audio> at device 31.5 (no driver attached)
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xe0000-0xeffff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2
on isa0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/13 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=3D0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
isa0
umass0: vendor 0x05e3 USB TO IDE, rev 2.00/0.33, addr 2
aue0: SMC, Inc EZ USB/Ethernet Converter, rev 1.10/1.01, addr 2
miibus1: <MII bus> on aue0
acphy0: <AC101 10/100 media interface> on miibus1
acphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
aue0: Ethernet address: 00:04:e2:08:b3:bb
Timecounter "TSC" frequency 996770136 Hz quality 800
Timecounters tick every 1.000 msec
IPv6 packet filtering initialized, logging limited to 500 packets/entry
IPsec: Initialized Security Association Processing.
ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding
disabled, default to deny, logging limited to 500 packets/entry by
default
ad0: 19092MB <MAXTOR 6L020J1 A93.0500> at ata0-master UDMA100
acd0: CDROM <Compaq CRD-8484B/1.04> at ata1-master PIO4
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <ST320082 6A 0811> Fixed Direct Access SCSI-0 device=20
da0: 1.000MB/s transfers
da0: 190781MB (390719855 512 byte sectors: 255H 63S/T 24321C)
aue0: link state changed to DOWN
-------------
kernel conf
-------------
machine i386
#cpu I486_CPU
#cpu I586_CPU
cpu I686_CPU
ident SPUNKY2
# To statically compile in device wiring instead of /boot/device.hints
#hints "GENERIC.hints" # Default places to look for
devices.
makeoptions DEBUG=3D-g # Build kernel with gdb(1) =
debug
symbols
#options SCHED_ULE # ULE scheduler
options SCHED_4BSD # 4BSD scheduler
options PREEMPTION # Enable kernel thread
preemption
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates
support
options UFS_ACL # Support for access control
lists
options UFS_DIRHASH # Improve performance on big
directories
options MD_ROOT # MD is a potential root device
options NFSCLIENT # Network Filesystem Client
options NFSSERVER # Network Filesystem Server
options NFS_ROOT # NFS usable as /, requires
NFSCLIENT
options MSDOSFS # MSDOS Filesystem
options CD9660 # ISO 9660 Filesystem
options PROCFS # Process filesystem (requires
PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options GEOM_GPT # GUID Partition Tables.
options COMPAT_43 # Compatible with BSD 4.3 [KEEP
THIS!]
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options COMPAT_FREEBSD5 # Compatible with FreeBSD5
options SCSI_DELAY=3D5000 # Delay (in ms) before probing
SCSI
options KTRACE # ktrace(1) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time
extensions
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options AHC_REG_PRETTY_PRINT # Print register bitfields in
debug
# output. Adds ~128k to driver.
options AHD_REG_PRETTY_PRINT # Print register bitfields in
debug
# output. Adds ~215k to driver.
options ADAPTIVE_GIANT # Giant mutex is adaptive.
# Debugging for use in -current
#options KDB # Enable kernel debugger
support.
#options DDB # Support DDB.
#options GDB # Support remote GDB.
#options INVARIANTS # Enable calls of extra sanity
checking
#options INVARIANT_SUPPORT # Extra sanity checks of
internal structures, required by INVARIANTS
#options WITNESS # Enable checks to detect
deadlocks and cycles
#options WITNESS_SKIPSPIN # Don't run witness on spinlocks
for speed
# To make an SMP kernel, the next two lines are needed
#options SMP # Symmetric MultiProcessor
Kernel
#device apic # I/O APIC
# Bus support. Do not remove isa, even if you have no isa slots
device isa
device eisa
device pci
# Floppy drives
device fdc
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
#device atapist # ATAPI tape drives
options ATA_STATIC_ID # Static device numbering
# SCSI Controllers
#device ahb # EISA AHA1742 family
#device ahc # AHA2940 and onboard AIC7xxx devices
#device ahd # AHA39320/29320 and onboard AIC79xx
devices
#device amd # AMD 53C974 (Tekram DC-390(T))
#device isp # Qlogic family
#device ispfw # Firmware for QLogic HBAs- normally a
module
#device mpt # LSI-Logic MPT-Fusion
#device ncr # NCR/Symbios Logic
#device sym # NCR/Symbios Logic (newer chipsets +
those of `ncr')
#device trm # Tekram DC395U/UW/F DC315U adapters
#device adv # Advansys SCSI adapters
#device adw # Advansys wide SCSI adapters
#device aha # Adaptec 154x SCSI adapters
#device aic # Adaptec 15[012]x SCSI adapters,
AIC-6[23]60.
#device bt # Buslogic/Mylex MultiMaster SCSI
adapters
#device ncv # NCR 53C500
#device nsp # Workbit Ninja SCSI-3
#device stg # TMC 18C30/18C50
# SCSI peripherals
device scbus # SCSI bus (required for SCSI)
#device ch # SCSI media changers
device da # Direct Access (disks)
#device sa # Sequential Access (tape etc)
#device cd # CD
#device pass # Passthrough device (direct SCSI
access)
#device ses # SCSI Environmental Services (and
SAF-TE)
# RAID controllers interfaced to the SCSI subsystem
#device amr # AMI MegaRAID
#device arcmsr # Areca SATA II RAID
#device asr # DPT SmartRAID V, VI and Adaptec SCSI
RAID
#device ciss # Compaq Smart RAID 5*
#device dpt # DPT Smartcache III, IV - See NOTES for
options
#device hptmv # Highpoint RocketRAID 182x
#device iir # Intel Integrated RAID
#device ips # IBM (Adaptec) ServeRAID
#device mly # Mylex AcceleRAID/eXtremeRAID
#device twa # 3ware 9000 series PATA/SATA RAID
# RAID controllers
#device aac # Adaptec FSA RAID
#device aacp # SCSI passthrough for aac (requires
CAM)
#device ida # Compaq Smart RAID
#device mlx # Mylex DAC960 family
#device pst # Promise Supertrak SX6000
#device twe # 3ware ATA RAID
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device vga # VGA video card driver
device splash # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device sc
# Enable this for the pcvt (VT220 compatible) console driver
#device vt
#options XSERVER # support for X server on a vt console
#options FAT_CURSOR # start with block cursor
device agp # support several AGP chipsets
# Floating point support - do not disable.
device npx
# Power management support (see NOTES for more options)
#device apm
# Add suspend/resume support for the i8254.
device pmtimer
# PCCARD (PCMCIA) support
# PCMCIA and cardbus bridge support
device cbb # cardbus (yenta) bridge
device pccard # PC Card (16-bit) bus
device cardbus # CardBus (32-bit) bus
# Serial (COM) ports
device sio # 8250, 16[45]50 based serial ports
# Parallel port
device ppc
device ppbus # Parallel port bus (required)
device lpt # Printer
device plip # TCP/IP over parallel
device ppi # Parallel port interface device
#device vpo # Requires scbus and da
# If you've got a "dumb" serial or parallel PCI card that is
# supported by the puc(4) glue driver, uncomment the following
# line to enable it (connects to the sio and/or ppc drivers):
#device puc
# PCI Ethernet NICs.
#device de # DEC/Intel DC21x4x (``Tulip'')
#device em # Intel PRO/1000 adapter Gigabit
Ethernet Card
#device ixgb # Intel PRO/10GbE Ethernet Card
#device txp # 3Com 3cR990 (``Typhoon'')
#device vx # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these
NICs!
device miibus # MII bus support
#device bfe # Broadcom BCM440x 10/100 Ethernet
#device bge # Broadcom BCM570xx Gigabit Ethernet
#device dc # DEC/Intel 21143 and various workalikes
device fxp # Intel EtherExpress PRO/100B (82557,
82558)
#device lge # Level 1 LXT1001 gigabit Ethernet
#device nge # NatSemi DP83820 gigabit Ethernet
#device nve # nVidia nForce MCP on-board Ethernet
Networking
#device pcn # AMD Am79C97x PCI 10/100(precedence
over 'lnc')
#device re # RealTek 8139C+/8169/8169S/8110S
#device rl # RealTek 8129/8139
#device sf # Adaptec AIC-6915 (``Starfire'')
#device sis # Silicon Integrated Systems SiS 900/SiS
7016
#device sk # SysKonnect SK-984x & SK-982x gigabit
Ethernet
#device ste # Sundance ST201 (D-Link DFE-550TX)
#device ti # Alteon Networks Tigon I/II gigabit
Ethernet
#device tl # Texas Instruments ThunderLAN
#device tx # SMC EtherPower II (83c170 ``EPIC'')
#device vge # VIA VT612x gigabit Ethernet
#device vr # VIA Rhine, Rhine II
#device wb # Winbond W89C840F
device xl # 3Com 3c90x (``Boomerang'',
``Cyclone'')
# ISA Ethernet NICs. pccard NICs included.
#device cs # Crystal Semiconductor CS89x0 NIC
# 'device ed' requires 'device miibus'
#device ed # NE[12]000, SMC Ultra, 3c503, DS8390
cards
#device ex # Intel EtherExpress Pro/10 and Pro/10+
#device ep # Etherlink III based cards
#device fe # Fujitsu MB8696x based cards
#device ie # EtherExpress 8/16, 3C507, StarLAN 10
etc.
#device lnc # NE2100, NE32-VL Lance Ethernet cards
#device sn # SMC's 9000 series of Ethernet chips
#device xe # Xircom pccard Ethernet
# ISA devices that use the old ISA shims
#device le
# Wireless NIC cards
device wlan # 802.11 support
#device an # Aironet 4500/4800 802.11 wireless
NICs.
#device awi # BayStack 660 and others
#device ral # Ralink Technology RT2500 wireless
NICs.
device wi # WaveLAN/Intersil/Symbol 802.11
wireless NICs.
#device wl # Older non 802.11 Wavelan wireless NIC.
# Added by CR 20050830
options BRIDGE # Bridge to ethernet world
# IPFW added to the kernel - added by CR 20050830
options IPFIREWALL
options IPFIREWALL_VERBOSE
options IPFIREWALL_VERBOSE_LIMIT=3D500
#options IPFIREWALL_DEFAULT_TO_ACCEPT
options IPV6FIREWALL
options IPV6FIREWALL_VERBOSE
options IPV6FIREWALL_VERBOSE_LIMIT=3D500
#options IPV6FIREWALL_DEFAULT_TO_ACCEPT
options IPDIVERT
options DUMMYNET
options IPSEC
options IPSEC_ESP
options IPSEC_DEBUG
# Pseudo devices.
device loop # Network loopback
device mem # Memory and kernel memory devices
device io # I/O device
device random # Entropy device
device ether # Ethernet support
device sl # Kernel SLIP
device ppp # Kernel PPP
device tun # Packet tunnel.
device pty # Pseudo-ttys (telnet etc)
device md # Memory "disks"
device gif # IPv6 and IPv4 tunneling
device faith # IPv6-to-IPv4 relaying (translation)
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device bpf # Berkeley packet filter
# USB support
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device ehci # EHCI PCI->USB interface (USB 2.0)
device usb # USB Bus (required)
#device udbp # USB Double Bulk Pipe devices
device ugen # Generic
device uhid # "Human Interface Devices"
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage - Requires scbus
and da
device ums # Mouse
device ural # Ralink Technology RT2500USB wireless
NICs
device urio # Diamond Rio 500 MP3 player
device uscanner # Scanners
# USB Ethernet, requires miibus
device aue # ADMtek USB Ethernet
device axe # ASIX Electronics USB Ethernet
device cdce # Generic USB over Ethernet
device cue # CATC USB Ethernet
device kue # Kawasaki LSI USB Ethernet
device rue # RealTek RTL8150 USB Ethernet
# FireWire support
device firewire # FireWire bus code
device sbp # SCSI over FireWire (Requires scbus and
da)
device fwe # Ethernet over FireWire (non-standard!)
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