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SCSI CDROM affecting networking?
I ran into a problem this past week that took me a long time to resolve.
I have a Thinkpad 760C with a Dock II. The Dock II has a 3COM Etherlink
III 3C589C-TP network card in it. I also have a loaner external SCSI
CDROM plugged into the Dock. I run OS/2 Warp Connect with FP17.
This set up has worked without any serious problems for several weeks.
As I left the office one evening, the owner of the CDROM needed it back,
so I just unplugged it from the Dock. The next morning, when I docked
again I could not use my network applications. I had no reason to
associate this with the removal of the SCSI CDROM, so I spent the next
several days trying to figure out if my 3COM card, cable or Thinkpad had
gone bad. I tried someone elses card and cable, it didn't work either.
I verified the network connecting was good. I looked at the OS/2 network
configuration, and even restored some backed up config files to be sure.
I could not find anything that indicated any problem with OS/2, the card
or the Thinkpad. Everything indicated the card was working. Believe
me, I looked at all the configuration screens from the Dock II setup to
the Thinkpad setup to the Network configuration.
I figured I might as well reinstall the network software from Warp
Connect to be sure something hadn't been lost, before I sent the
Thinkpad in to be serviced. To my complete surprise, when I reconnected
the SCSI CDROM, the network applications worked again. As I get time, I
will try to figure out why disconnecting the SCSI caused the problem.
However, I have a co-worker that has a 755CD who says his Thinkpad
will not network if his TP CDROM is installed. He has to remove his
CDROM to get the card to work. This makes me think the Thinkpad may
have some quirk about auto detecting devices that in turn plays havoc
with the network PC card.
If anyone has more insight to this, please post to the list. I'll
follow up if I discover more with my setup. I've got to figure out how
to disconnect the CDROM and keep my network access!
Regards,
David McAnally
E-Mail: acus02@email.mot.com