3com card config for Solaris 2.5

We have a PC with installed Solaris 2.5.1 X86. It was installed without network stuff. Now we need to connect
this PC to a network. I installed 3Com Ethernet Card,
which was configured on other PC with DOS. When I setup
all files,like hosts,hostname.exl0,netmasks, etc, I still
get message about "can't configure network" on boottime and
the like. Should I configure 3Com Card on the PC I am going
to use or I do something completely wrong. I had the problem
like that before with other PC. That time I had to reinsall
DOS, PC-NFS and after I was sure it worked with DOS, I
installed Solaris again and it worked out. I do not want
to do like that this time. I will really appreciate any help.
vvberezaAsked:
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jbirtleyCommented:
Unconfigure the system:      /usr/sbin/sys-unconfig
            (This re-sets all networking, hostname and
             NIS+ parameters.  See sys-unconfig(1M)).

The re-build the devices directory:  'boot -r' (at boot prompt)
and that should recognise the 3Com card.

You'll have to make sure that the interface of tehg 3Com card is correct (i.e. it is configured to use BNC cable if you are connected to a BNC network) because Solaris will not recognise anything other than UTP if this is set to 'Auto'.

Good luck.

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vvberezaAuthor Commented:
Acctually I already made it to work.
What I did was reinstalled DOS, configured the 3Com card, installed
PC-NFS 5.1, got everything working under DOS and then reinstalled
Solaris. One thing I noticed when I configured the card -
it was with "Plug and Play enable". Probably it was my problem,
because in the Device Config Guide I read that "3509B" card
should be configured with "Plug and Play desable".

I tried to boot the PC with Solaris from DOS diskette, which
has installation programs for 3Com card. It booted but
refused to run any program, complaining something about
"current directory" or so(I do not remember exactly).
That diskette worked on PC with DOS installed.

I have a PC with DOS and PC-NFS and the same type of 3Com
card. I did reconfigure there and probably if I noticed
that "P&P enable", I resolved the problem without reinstalling
the DOS. May be it whould not be right.

Anyway I am going to configure a number PC with Solaris soon and
will experiment on them to figure out where the problem is.
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