Question How do I disable the onboard NICs on my X8SIL-F mainboard? I have the BIOS 1.0c and search through the BIOS options to find a setting but I didn't succeed. Answer You can change jumper JPL1/JPL2 to pin 2-3 to disable the LAN ports. Please refer to motherboard manual page 52 (2-31) http://www.supermicro.com/about/policies/disclaimer.cfm?url=/manuals/motherboard/3420/MNL-1130.pdf Was this FAQ helpful? YES      NO Enter Comments Below: Note: Your comments/feedback should be limited to this FAQ only. For technical support, please send an email to support@supermicro.com.  Enter your email address below if you'd like technical support staff to reply:  Please type the Captcha (no space) N U G L FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 21438 Networking: - NIC (on-board / add-on) 08/28/15     Print Answer