Re: 3c905b-combo - no traffic

[Lars Täuber <taeuber@bbaw.de>]

Lars Täuber schrieb:
> 
> Christoph Neerfeld schrieb:
> >
> > On 17-Mar-00 Greg Beeley wrote:
> > >
> > > Lars Täuber wrote:
> > >> I've got an 3c905b-combo card and put the needed data on a floppy to
> > >> boot
> > >> over network. the rom seems to be correctly loaded and the machine says
> > >> that
> > >> it seeks for a dhcp server.
> > >> <sleep>
> > >> <sleep>
> > >> <sleep>
> > >> ....
> > >>  but the is nothing on the net (tcpdump). when i
> > >> boot linux on the client the network is aviable and i can ping, telnet
> > >> ....
> > >>
> > >> what's wrong?
> > >
> > > Hmmm... it's a shortcoming of the 3c90x driver -- with the combo card it
> > > picks one of the available transceivers without actually doing a link
> > > test as specified in the 3c905b spec manual (even the typical link beat
> > > test isn't sufficient -- a "real" driver should send a self-directed
> > > packet over the transceiver and see if it comes back or not.  If it does,
> > > the link is up).  I guess I'm a lazy driver writer :)
> > >
> > > To work around it, set CFG_3C90X_XCVR to the appropriate value
> > as listed
> > > in src/3c90x.txt, when you build the ROM image.
> >
> > I ran into the same problem today with some old 3c900-combo cards.
> >
> > Where do I have to set CFG_3C90X_XCVR ? I tried to add -DCFG_3C90X_XCVR=0 in
> > the file Config but that didn't help.
> >
> > Regards,
> >
> > Chris
> >
> > > Greg.
> >
> 
> this is exactly what i did (with =3 and =255) but nothing helped)
> 
> any other solution?
> 
> thanks so far
> 
> --
> Gruß
> Lars Täuber

now it seems to work in a strange way:

when i set CFG_3C90X_XCVR=3
the client can't find the bootp server
when i set CFG_3C90X_XCVR=255
the client finds the bootp server and boots correctly _BUT_
when i boot a second time it can't find the bootp server anymore
then i put the floppy build with CFG_3C90X_XCVR=3 in the client and
nothing
happens again but now i can boot the client with the CFG_3C90X_XCVR=255
floppy

i think the CFG_3C90X_XCVR=3 set something in the netcard that
CFG_3C90X_XCVR=255 uses

is that fixable?


-- 
Gruß
Lars Täuber
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