Question Can you tell me how to clear CMOS by short JBT1 on board? Answer There is two ways to clear the CMOS. 1st option. 1. Disconnect AC power cord and remove internal CMOS battery. 2. Short JBT1 solder pad with flat screw driver for 5 second. 2nd option. 1. Disconnect AC power cord and remove internal CMOS battery. 2. Use the coin battery short (+ and -) on battery terminal socket for 5 second. 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) G T G X FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 13103 Peripherals: - Battery Backup Unit 11/18/11 DL     Print Answer