On Fri, Jun 02, 2000 at 12:30:13AM -0700, Bill Paul wrote:
> >
> > For reference the ID reported is:
> >
> > de0@pci0:3:0: class=0x020000 card=0x00000000 chip=0x00191011 rev=0x11 hdr=0x00
>
> Hm, ok. First of all, I made a mistake in what I told you. The code in
> dcphy.c checks the subsystem ID, not the device ID. The device ID is always
> the same, since that identifies the 21143 chip, however the subsystem ID
> can vary from board to board depending on the manufacturer's whims.
> The odd thing is that the subsystem ID here is 0x00000000 (the "card="
> value), however that doesn't rule out running our test.
>
> So, go back to dcphy.c and do this:
>
> case COMPAQ_PRESARIO_ID:
> case 0x00000000:
> /* Example of how to only allow 10Mbps modes. */
> sc->mii_capabilities = BMSR_ANEG|BMSR_10TFDX|BMSR_10THDX;
> break;
>
> Let me know if this has any effect.
Unfortunately not.
More data on this bulkhead:
It contains a black plastic module that calls itself:
ALL-IN-ONE
Ethernet COAX
TC3095
along with a 20Mc xtal oscillator. It looks like this is a selfcontained
DC-DC converter, pulse xformer and a 10base2 medium interface in
a single module.
The cable connection to the PCI riser goes to a connector labeled "AUI".
My best guess is that this bulkhead is not much more than a 10baseT/10base2
transceiver in disguise, connected to an AUI interface.
I'm currently performing surgery on my other machine to see what the
10/100 bulkhead contains.
--
Wilko Bulte FreeBSD, the power to serve http://www.freebsd.org
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