Question I have your X8SIL-F with website Bios 1.0C and Xeon L3406 CPU(Stepping SLBQQ),during POST I get the following BIOS error: " Warning: This CPU is not supported" But on your website productpage , I can see L3400 series type CPU's should be supported? Answer We indeed do support L3400 series type CPU's, this is a Bios problem,if website carries a newer bios, please take that one, if not than please request a bios from our technical support department, please request a bios called"x8sil_t3230" 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) D M 7 P FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 9530 BIOS: - AMI BIOS Other: - Firmware/BIOS related Peripherals: - CPU 04/09/10 PM     Print Answer