Here is the dmesg output from a boot -v on my machine.  I don't believe
that I have ever had the USB ports configured in my kernel.  They do
have an IRQ allocated in the BIOS though.

Jim Bloom
bl...@acm.org

Copyright (c) 1992-1999 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California. All rights
reserved.
FreeBSD 4.0-CURRENT #19: Sat Apr 10 14:19:12 EDT 1999
    bl...@jbloom.ne.mediaone.net:/usr/src/sys/compile/JMB
Calibrating clock(s) ... TSC clock: 400903902 Hz, i8254 clock: 1193167
Hz
CLK_USE_I8254_CALIBRATION not specified - using default frequency
Timecounter "i8254"  frequency 1193182 Hz
CLK_USE_TSC_CALIBRATION not specified - using old calibration method
CPU: Pentium II/Xeon/Celeron (400.91-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x652  Stepping=2
 
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory  = 134217728 (131072K bytes)
Physical memory chunk(s):
0x00001000 - 0x0009efff, 647168 bytes (158 pages)
0x0032d000 - 0x07ffbfff, 130871296 bytes (31951 pages)
config> pnp 1 0 os enable irq0 5 drq0 1 drq1 5 port0 0x220 port1 0x330
port2 0x388
config> pnp 1 1 os enable port0 0x200
config> pnp 1 2 os enable port0 0x620 port1 0xa20 port2 0xe20
config> ls
Device   port       irq   drq   iomem   iosize   unit  flags      enab
confl
fdc0     0x3f0      6     2     0       0        0     0          Yes 
No 
wdc0     0x1f0      14    -1    0       0        0     0xa0ffa0ff Yes 
No 
wdc1     0x170      15    -1    0       0        1     0xa0ffa0ff Yes 
No 
atkbdc0  0x60       -1    -1    0       0        0     0          Yes 
No 
atkbd0   0xffffffff 1     -1    0       0        0     0          Yes 
No 
psm0     0xffffffff 12    -1    0       0        0     0          Yes 
No 
sc0      0xffffffff -1    -1    0       0        0     0          Yes 
No 
sio0     0x3f8      4     -1    0       0        0     0x10       Yes 
No 
sio1     0x2f8      3     -1    0       0        1     0          Yes 
No 
ppc0     0xffffffff 7     -1    0       0        0     0          Yes 
No 
pca0     0x40       -1    -1    0       0        0     0          Yes 
No 
vga0     0xffffffff -1    -1    0       0        0     0          Yes 
Yes
npx0     0xf0       13    -1    0       0        0     0          Yes 
No 
apm0     0xffffffff -1    -1    0       0        0     0x31       No  
No 
sb0      0x220      5     1     0       0        0     0          Yes 
No 
sbxvi0   0xffffffff -1    5     0       0        0     0          Yes 
No 
sbmidi0  0x330      -1    -1    0       0        0     0          Yes 
No 
awe0     0x620      -1    -1    0       0        0     0          Yes 
No 
opl0     0x388      -1    -1    0       0        0     0          Yes 
No 
joy0     0x201      -1    -1    0       0        0     0          Yes 
No 
CSN LDN conf en irqs  drqs others (PnP devices)
  1   0 OS    Y  5 0   1 5  port 0x220 0x330 0x388 
  1   1 OS    Y  0 0   0 0  port 0x200 
  1   2 OS    Y  0 0   0 0  port 0x620 0xa20 0xe20 
config> quit
avail memory = 127430656 (124444K bytes)
Found BIOS32 Service Directory header at 0xc00f9ce0
Entry = 0xf0550 (0xc00f0550)  Rev = 0  Len = 1
PCI BIOS entry at 0x750
DMI header at 0xc00f5880
Version 2.0
Table at 0xf589a, 33 entries, 1079 bytes
Other BIOS signatures found:
ACPI: 00000000
$PnP: 000fd110
Preloaded elf kernel "kernel" at 0xc0318000.
Preloaded userconfig_script "/pnp.setup" at 0xc03180a8.
Pentium Pro MTRR support enabled, default memory type is uncacheable
GPL Math emulator present
pci_open(1):    mode 1 addr port (0x0cf8) is 0x8000005c
pci_open(1a):   mode1res=0x80000000 (0x80000000)
pci_cfgcheck:   device 0 [class=060000] [hdr=00] is there (id=71908086)
Probing for devices on PCI bus 0:
found-> vendor=0x8086, dev=0x7190, revid=0x02
        class=06-00-00, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
        map[0]: type 3, range 32, base e4000000, size 26
chip0: <Intel 82443BX host to PCI bridge> rev 0x02 on pci0.0.0
found-> vendor=0x8086, dev=0x7191, revid=0x02
        class=06-04-00, hdrtype=0x01, mfdev=0
        subordinatebus=1        secondarybus=1
chip1: <Intel 82443BX host to AGP bridge> rev 0x02 on pci0.1.0
found-> vendor=0x8086, dev=0x7110, revid=0x02
        class=06-01-00, hdrtype=0x00, mfdev=1
        subordinatebus=0        secondarybus=0
chip2: <Intel 82371AB PCI to ISA bridge> rev 0x02 on pci0.4.0
found-> vendor=0x8086, dev=0x7111, revid=0x01
        class=01-01-80, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
        map[0]: type 4, range 32, base 0000c800, size  4
ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev 0x01 on pci0.4.1
intel_piix_status: primary master sample = 5, master recovery = 4
intel_piix_status: primary master fastDMAonly disabled, pre/post
disabled,
intel_piix_status:  IORDY sampling disabled,
intel_piix_status:  fast PIO disabled
intel_piix_status: primary slave sample = 3, slave recovery = 1
intel_piix_status: primary slave fastDMAonly disabled, pre/post enabled,
intel_piix_status:  IORDY sampling enabled,
intel_piix_status:  fast PIO enabled
ide_pci: busmaster 0 status: 44 from port: 0000c802
ide_pci: ide0:1 has been configured for DMA by BIOS
intel_piix_status: secondary master sample = 5, master recovery = 4
intel_piix_status: secondary master fastDMAonly disabled, pre/post
disabled,
intel_piix_status:  IORDY sampling disabled,
intel_piix_status:  fast PIO disabled
intel_piix_status: secondary slave sample = 5, slave recovery = 4
intel_piix_status: secondary slave fastDMAonly disabled, pre/post
disabled,
intel_piix_status:  IORDY sampling disabled,
intel_piix_status:  fast PIO disabled
ide_pci: busmaster 1 status: 04 from port: 0000c80a
found-> vendor=0x8086, dev=0x7112, revid=0x01
        class=0c-03-00, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
        intpin=d, irq=9
        map[0]: type 4, range 32, base 0000c400, size  5
found-> vendor=0x8086, dev=0x7113, revid=0x02
        class=06-80-00, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
chip3: <Intel 82371AB Power management controller> rev 0x02 on pci0.4.3
found-> vendor=0x9005, dev=0x001f, revid=0x00
        class=01-00-00, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
        intpin=a, irq=9
        map[0]: type 4, range 32, base 0000c000, size  8
        map[1]: type 1, range 64, base e1000000, size 12
        map[2]: type 0, range  0, base 00000000, size  0
ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> rev 0x00 int a irq 9 on
pci0.6.0
ahc0: Reading SEEPROM...done.
ahc0: BIOS eeprom not present
ahc0: Secondary High byte termination Enabled
ahc0: Secondary Low byte termination Enabled
ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs
ahc0: Downloading Sequencer Program... 390 instructions downloaded
found-> vendor=0x11d1, dev=0x01f7, revid=0x00
        class=04-00-00, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
        intpin=a, irq=9
        map[0]: type 1, range 32, base e0800000, size 20
found-> vendor=0x10b7, dev=0x9055, revid=0x30
        class=02-00-00, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
        intpin=a, irq=10
        map[0]: type 4, range 32, base 0000b800, size  7
        map[1]: type 1, range 32, base e0000000, size  7
xl0: <3Com 3c905B-TX Fast Etherlink XL> rev 0x30 int a irq 10 on
pci0.11.0
xl0: Ethernet address: 00:10:5a:12:90:6f
xl0: media options word: a
xl0: probing for a PHY
xl0: checking address: 0
xl0: found PHY at address 0, vendor id: 0 device id: 0
xl0: PHY type: <MII-compliant physical interface>
xl0: found 10baseT
xl0: found 100baseTX
xl0: autoneg complete, link status good (half-duplex, 10Mbps)
bpf: xl0 attached
Probing for devices on PCI bus 1:
found-> vendor=0x1002, dev=0x4742, revid=0x5c
        class=03-00-00, hdrtype=0x00, mfdev=0
        subordinatebus=0        secondarybus=0
        intpin=a, irq=11
        map[0]: type 1, range 32, base e2000000, size 24
        map[1]: type 4, range 32, base 0000d800, size  8
        map[2]: type 1, range 32, base e1800000, size 12
vga0: <ATI model 4742 graphics accelerator> rev 0x5c int a irq 11 on
pci1.0.0
Probing for PnP devices:
Trying Read_Port at 203
PnP: CSN 1 COMP_DEVICE_ID = 0x2fb0d041
CSN 1 Vendor ID: CTL00e4 [0xe4008c0e] Serial 0x0cb4360c Comp ID: PNPb02f
[0x2fb0d041]
PnP: override config for CSN 1 LDN 0 vend_id 0xe4008c0e
port 0x0000 0x0000 0x0000 0x0000 irq 0:0 drq 4:4 en 0
PnP: override config for CSN 1 LDN 1 vend_id 0xe4008c0e
port 0x0000 0x0000 0x0000 0x0000 irq 0:0 drq 4:4 en 0
PnP: override config for CSN 1 LDN 2 vend_id 0xe4008c0e
Warning: LDN 2 does not exist
port 0x0000 0x0000 0x0000 0x0000 irq 0:0 drq 0:0 en 0
Warning: LDN 2 does not exist
Called nullpnp_probe with tag 0x00000001, type 0xe4008c0e
Called nullpnp_probe with tag 0x00000001, type 0x2fb0d041
Probing for devices on the ISA bus:
atkbd: the current kbd controller command byte 0047
atkbd: keyboard ID 0x41ab (2)
kbdc: RESET_KBD return code:00fa
kbdc: RESET_KBD status:00aa
sc0 on isa
sc0: fb0 kbd0
sc0: VGA color <16 virtual consoles, flags=0x0>
atkbdc0 at 0x60-0x6f on motherboard
atkbd0 irq 1 on isa
kbd0: atkbd0, AT 101/102 (2), config:0x0, flags:0x3d0000
psm0: current command byte:0047
kbdc: TEST_AUX_PORT status:0000
kbdc: RESET_AUX return code:00fa
kbdc: RESET_AUX status:00aa
kbdc: RESET_AUX ID:0000
psm: status 00 02 64
psm: status 39 03 c8
psm: status 39 03 c8
psm: status 39 03 c8
psm: status 10 00 64
psm: data 08 00 00
psm: data 08 00 00
psm: status 00 02 64
psm0 irq 12 on isa
psm0: model IntelliMouse, device ID 3, 3 buttons
psm0: config:00000000, flags:00000000, packet size:4
psm0: syncmask:c8, syncbits:08
sio0: irq maps: 0x1 0x11 0x1 0x1
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 16550A
sio1: irq maps: 0x1 0x9 0x1 0x1
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
ppc: parallel port found at 0x378
ppc0: ECP SPP ECP+EPP SPP
ppc0 at 0x378 irq 7 on isa
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/9 bytes threshold
ppb0: IEEE1284 device found /NIBBLE/NIBBLE_ID/Extensibility Link
Probing for PnP devices on ppbus0:
ppbus0: <Hewlett-Packard LaserJet 4L> HP ENHANCED PCL5,PJL
lpt0: <generic printer> on ppbus 0
lpt0: Interrupt-driven port
pca0 on motherboard
pca0: PC speaker audio driver
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 flags 0xa0ffa0ff on isa
wdc0: unit 1 (atapi): <CREATIVEDVD-ROM DVD2240E    12/24/97/1.7A>,
removable, accel, dma, iordis
wcd0: drive speed 2062 - 4125KB/sec, 256KB cache
wcd0: supported read types: CD-R, CD-RW, CD-DA, packet track
wcd0: Audio: play, 255 volume levels
wcd0: Mechanism: ejectable tray
wcd0: Medium: CD-ROM 120mm data disc loaded, unlocked
wdc1 not found at 0x170
vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
fb0: vga0, vga, type:VGA (5), flags:0x7007f
fb0: port:0x3b0-0x3df, crtc:0x3d4, mem:0xa0000 0x20000
fb0: init mode:24, bios mode:3, current mode:24
fb0: window:0xc00b8000 size:32k gran:32k, buf:0x0 size:0k
VGA parameters upon power-up
50 18 10 00 00 00 03 00 02 67 5f 4f 50 82 55 81 
bf 1f 00 4f 0e 0f 00 00 07 80 9c 8e 8f 28 1f 96 
b9 a3 ff 00 01 02 03 04 05 14 07 38 39 3a 3b 3c 
3d 3e 3f 0c 00 0f 08 00 00 00 00 00 10 0e 00 ff 
VGA parameters in BIOS for mode 24
50 18 10 00 10 00 03 00 02 67 5f 4f 50 82 55 81 
bf 1f 00 4f 0d 0e 00 00 00 00 9c 8e 8f 28 1f 96 
b9 a3 ff 00 01 02 03 04 05 14 07 38 39 3a 3b 3c 
3d 3e 3f 0c 00 0f 08 00 00 00 00 00 10 0e 00 ff 
EGA/VGA parameters to be used for mode 24
50 18 10 00 10 00 03 00 02 67 5f 4f 50 82 55 81 
bf 1f 00 4f 0d 0e 00 00 00 00 9c 8e 8f 28 1f 96 
b9 a3 ff 00 01 02 03 04 05 14 07 38 39 3a 3b 3c 
3d 3e 3f 0c 00 0f 08 00 00 00 00 00 10 0e 00 ff 
npx0 on motherboard
npx0: INT 16 interface
apm0: disabled, not probed.
sb0 at 0x220 irq 5 drq 1 on isa
snd0: <SoundBlaster 16 4.16> 
sbxvi0 at drq 5 on isa
snd0: <SoundBlaster 16 4.16> 
sbmidi0 at 0x330 on isa
snd0: <SoundBlaster MPU-401> 
awe0 at 0x620 on isa
awe0: <SoundBlaster EMU8000 MIDI (RAM512k)>
opl0 at 0x388 on isa
snd0: <Yamaha OPL3 FM> 
joy0 at 0x201 on isa
joy0: joystick
imasks: bio c0084040, tty c003109a, net c0060400
BIOS Geometries:
 0:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 1:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 2:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 3:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 4:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 5:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 6:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 7:00000000 0..0=1 cylinders, 0..0=1 heads, 1..0=0 sectors
 0 accounted for
Device configuration finished.
IP packet filtering initialized, divert enabled, rule-based forwarding
disabled, logging disabled
bpf: ppp0 attached
bpf: ppp1 attached
new masks: bio c0084040, tty c003109a, net c007149a
bpf: lo0 attached
Waiting 8 seconds for SCSI devices to settle
(noperiph:ahc0:0:-1:-1): SCSI bus reset delivered. 0 SCBs aborted.
ahc0: Selection Timeout on A:2. 1 SCBs aborted
ahc0: Selection Timeout on A:3. 1 SCBs aborted
ahc0: Selection Timeout on A:5. 1 SCBs aborted
ahc0: Selection Timeout on A:6. 1 SCBs aborted
ahc0: Selection Timeout on A:8. 1 SCBs aborted
ahc0: Selection Timeout on A:9. 1 SCBs aborted
ahc0: Selection Timeout on A:10. 1 SCBs aborted
ahc0: Selection Timeout on A:11. 1 SCBs aborted
ahc0: Selection Timeout on A:12. 1 SCBs aborted
ahc0: Selection Timeout on A:13. 1 SCBs aborted
ahc0: Selection Timeout on A:14. 1 SCBs aborted
ahc0: Selection Timeout on A:15. 1 SCBs aborted
ahc0: target 4 synchronous at 10.0MHz, offset = 0xf
ahc0: target 1 using 16bit transfers
ahc0: target 1 synchronous at 40.0MHz, offset = 0xf
ahc0: target 0 using 16bit transfers
ahc0: target 0 synchronous at 40.0MHz, offset = 0xf
sa0 at ahc0 bus 0 target 4 lun 0
sa0: <Seagate STT8000N 3.22> Removable Sequential Access SCSI-2 device 
sa0: Serial Number 
sa0: 10.000MB/s transfers (10.000MHz, offset 15)
pass0 at ahc0 bus 0 target 0 lun 0
pass0: <SEAGATE ST39173LW 5702> Fixed Direct Access SCSI-2 device 
pass0: Serial Number LM243149000018380RZS
pass0: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged
Queueing Enabled
pass1 at ahc0 bus 0 target 1 lun 0
pass1: <SEAGATE ST39173LW 5702> Fixed Direct Access SCSI-2 device 
pass1: Serial Number LM192475000018380TAE
pass1: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged
Queueing Enabled
pass2 at ahc0 bus 0 target 4 lun 0
pass2: <Seagate STT8000N 3.22> Removable Sequential Access SCSI-2 device 
pass2: Serial Number 
pass2: 10.000MB/s transfers (10.000MHz, offset 15)
da0 at ahc0 bus 0 target 0 lun 0
da0: <SEAGATE ST39173LW 5702> Fixed Direct Access SCSI-2 device 
da0: Serial Number LM243149000018380RZS
da0: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged Queueing
Enabled
da0: 8683MB (17783240 512 byte sectors: 255H 63S/T 1106C)
da1 at ahc0 bus 0 target 1 lun 0
da1: <SEAGATE ST39173LW 5702> Fixed Direct Access SCSI-2 device 
da1: Serial Number LM192475000018380TAE
da1: 80.000MB/s transfers (40.000MHz, offset 15, 16bit), Tagged Queueing
Enabled
da1: 8683MB (17783240 512 byte sectors: 255H 63S/T 1106C)
Considering FFS root f/s.
changing root device to da1s1a
da1s1: type 0xa5, start 63, end = 8883944, size 8883882 : OK
da1s2: type 0x82, start 8883945, end = 17751824, size 8867880 : OK
ffs_mountfs: superblock updated for soft updates
ffs_mountfs: superblock updated for soft updates
ffs_mountfs: superblock updated for soft updates


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