Re: 3com 3c905cx-tx-nm "unknown device"

From: Andrew Morton (akpm@zip.com.au)
Date: Sat May 11 2002 - 03:07:53 EST


Muli Ben-Yehuda wrote:
>
> Hello,
>
> I have new 3com PCI NIC, which purpots to be a "3c905cx-tx-nm". The
> 3c59x module (kernel 2.4.19-pre3-ac2, I'll try -pre8 in a bit) fails
> to recognize the card.

Well it would...

> lspci -vx (with the latest pci.ids file) shows:
>
> 00:09.0 Ethernet controller: 3Com Corporation: Unknown device ffff (rev 78)
> Flags: bus master, medium devsel, latency 64, IRQ 11
> I/O ports at 6500 [size=128]
> Expansion ROM at <unassigned> [disabled] [size=128K]
> Capabilities: [dc] Power Management version 2
> 00: b7 10 ff ff 07 00 10 02 78 00 00 02 08 40 00 00
> 10: 01 65 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff
> 30: 00 00 00 00 dc 00 00 00 00 00 00 00 0b 01 1e 3f

PCI IDs are 0xffff. Normally that is supplied from the EEPROM (we think).

Try setting the NIC up with 3com's DOS-based setup program
ftp://ftp.3com.com/pub/nic/3c90x/3c90xx2.exe and also check your
BIOS power management settings, PnP OS settings, etc.

Try to work out why the EEPROM hasn't been powered up - could be
a dead card (test it under Windows) or a BIOS thing.

-
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