Russ,
Check your BIOS and see if you can disable the LAN in question.
I've two LANs built into the MB on my system, but I only use one, the other was easily disabled through BIOS.
Double check your BIOS boot-up sequence.
Hope that helps,
Tim

 -------------- Original message ----------------------
From: Russ Cox <[log in to unmask]>
> I have a Dell Optiplex GX1, 500 MHz P3, 256MB RAM.  Win XP loaded as an upgrade 
> from Win 98.  It insists on trying to boot from the LAN, loads 3 Com PXE 
> LANworks whether an ethernet cable is connected or not.  I have tried all the 
> boot sequence options - CDROM, floppy, hard drive only, boot list -  and they 
> make no difference. The LAN connection is on board so I can't remove it. Wake on 
> LAN is disabled in the setup menu.  I don't see any other options there that 
> could help.
> How can I get past the LAN boot so XP will load?
> 
>                The NOSPIN Group Promotions is now offering
>                  our special coffee mugs and mouse pads
>               with the PCBUILD logo...  at a great price!!!
>              http://freepctech.com/goodies/promotions.shtml
> 

        The NOSPIN Group has added a new feature on our website,
           web based bulletinboard for questions and answers:
              Visit our sister website at http://nospin.com