Here is my dmesg output :

NetBSD 1.5_ALPHA2 (RUNNER) #2: Wed Nov  8 01:25:19 PST 2000
    root@runner:/usr/src/sys/arch/i386/compile/RUNNER
cpu0: AMD K6-2 (586-class)
total memory = 32320 KB
avail memory = 25904 KB
using 429 buffers containing 1716 KB of memory
BIOS32 rev. 0 found at 0xfb4c0
mainbus0 (root)
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled
pchb0 at pci0 dev 0 function 0
pchb0: Acer Labs M1541 Host-PCI Bridge (rev. 0x04)
ppb0 at pci0 dev 1 function 0: Acer Labs product 0x5243 (rev. 0x04)
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled
ohci0 at pci0 dev 2 function 0: Acer Labs M5237 USB Host Controller (rev.
0x03)
ohci0: interrupting at irq 11
ohci0: OHCI version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: Acer Labs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
pcib0 at pci0 dev 7 function 0
pcib0: Acer Labs M1543 PCI-ISA Bridge (rev. 0xc3)
ex0 at pci0 dev 8 function 0: 3Com 3c905C-TX 10/100 Ethernet with mngmt
(rev. 0x74)
ex0: interrupting at irq 10
ex0: MAC address 00:01:02:a0:25:25
ukphy0 at ex0 phy 24: Generic IEEE 802.3u media interface
ukphy0: OUI 0x001018, model 0x0017, rev. 6
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
vga1 at pci0 dev 10 function 0: Silicon Integrated System 6326 AGP VGA (rev.
0x0b)
wsdisplay0 at vga1: console (80x25, vt100 emulation)
pciide0 at pci0 dev 15 function 0: Acer Labs M5229 UDMA IDE Controller (rev.
0xc2)
pciide0: bus-master DMA support present
pciide0: primary channel configured to compatibility mode
wd0 at pciide0 channel 0 drive 0: <IBM-DJNA-371350>
wd0: drive supports 16-sector pio transfers, lba addressing
wd0: 12949 MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 26520480 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 4
pciide0: primary channel interrupting at irq 14
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 (using DMA data
transfers)
pciide0: secondary channel configured to compatibility mode
atapibus0 at pciide0 channel 1
cd0 at atapibus0 drive 0: <CRD-8400B, IBM 990922, 1.12> type 5 cdrom
removable
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2
pciide0: secondary channel interrupting at irq 15
cd0(pciide0:1:0): using PIO mode 4, DMA mode 2 (using DMA data transfers)
isa0 at pcib0
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
lpt0 at isa0 port 0x378-0x37b irq 7
pcppi0 at isa0 port 0x61
midi0 at pcppi0: PC speaker
sysbeep0 at pcppi0
isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
npx0 at isa0 port 0xf0-0xff: using exception 16
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
isapnp0: no ISA Plug 'n Play devices found
apm0 at mainbus0: Power Management spec V1.2 (slowidle)
biomask fb65 netmask ff65 ttymask ffe7
boot device: wd0
root on wd0a dumps on wd0b
root file system type: ffs
ex0: device timeout

----- Original Message -----
From: "Eric Delcamp" <e.delcamp@wanadoo.fr>
To: <port-i386@netbsd.org>
Cc: "Manuel Bouyer" <bouyer@antioche.lip6.fr>
Sent: Wednesday, November 08, 2000 12:08 PM
Subject: Re: Status of the 3C905C-TX-M network card


> Ok, all checked, no conflict.
> I have disable all possible devices, the ex0 take either irq 10, 11 or 15,
> and still same message.
> I think it could be a problem with the chipset of my motherboard. Dmesg
> output is like :
> pchb0: Acer Labs M1541 Host-PCI Bridge (rev. 0x04)
> pcib0: Acer Labs M1543 PCI-ISA Bridge (rev. 0xc3)
>
> Motherboard is a GA-5AX with Ali chipset, socket 7 and a AMD K6-2 500Mhz
> I can post the entire dmesg output, but will take a little time.