Question X9DRD-7LN4F-JBOD M/B with two different CPUs onboard stuck at BIOS post code A3. The first CPU is Xeon E5-2609 and the second CPU is E5-2680. Answer X9DRD-7LN4F-JBOD M/B does not support two different CPUs on the same M/B at the same time. Please use two identical CPU onto CPU1 and 2. 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 X E U FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 27925 Peripherals: - CPU 05/11/18     Print Answer