User manual SUPERMICRO X9DA7

[. . . ] X9DA7 X9DAE USER’S MANUAL Revision 1. 0c The information in this User’s Manual has been carefully reviewed and is believed to be accurate. The vendor assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the information in this manual, or to notify any person or organization of the updates. Please Note: For the most up-to-date version of this manual, please see our Website at www. supermicro. com. ("Supermicro") reserves the right to make changes to the product described in this manual at any time and without notice. [. . . ] supermicro. com. ) 2. Check if different speeds of DIMMs have been installed. It is strongly recommended that you use the same RAM speed for all DIMMs in the system. 3. Make sure that you are using the correct type of Registered/Load Reduction ECC or Unbuffered ECC/Non-ECC DDR3 DIMM modules recommended by the manufacturer. 4. Check for bad DIMM modules or slots by swapping a single module among all memory slots and check the results. 5. Make sure that all memory modules are fully seated in their slots. 6. Please follow the instructions given in the DIMM Population Tables listed in Section 2-4 to install your memory modules. When the System Becomes Unstable A. When the system becomes unstable during or after OS installation, check the following: 1. CPU/BIOS support: Make sure that your CPU is supported, and you have the latest BIOS installed in your system. 2. Memory support: Make sure that the memory modules are supported by testing the modules using memtest86 or a similar utility. 3. HDD support: Make sure that all hard disk drives (HDDs) work properly. 4. System cooling: Check system cooling to make sure that all heatsink fans, and CPU/system fans, etc. , work properly. Check Hardware Monitoring settings in the BIOS to make sure that the CPU and System temperatures are 3-3 X9DA7/X9DAE Motherboard User's Manual within the normal range. Also check the front panel Overheat LED, and make sure that the Overheat LED is not on. 5. Adequate power supply: Make sure that the power supply provides adequate power to the system. Please refer to our website for more information on minimum power requirement. 6. Proper software support: Make sure that the correct drivers are used. When the system becomes unstable before or during OS installation, check the following: 1. Source of installation: Make sure that the devices used for installation are working properly, including boot devices such as CD/DVD disc, CD/DVDROM. 2. Cable connection: Check to make sure that all cables are connected and working properly. 3. Using minimum configuration for troubleshooting: Remove all unnecessary components (starting with add-on cards first), and use minimum configuration (with a CPU and a memory module installed) to identify the trouble areas. Refer to the steps listed in Section A above for proper troubleshooting procedures. 4. Identifying bad components by isolating them: If necessary, remove a component in question from the chassis, and test it in isolation to make sure that it works properly. 5. Check and change one component at a time instead of changing several items at the same time. 6. To find out if a component is good, swap this component with a new one to see if the system will work properly. [. . . ] When the dialog box appears, asking you if you want to restore user's defaults, click Yes to restore the user's defaults previously saved in the system, or click No to abandon the user's defaults that were previously saved. Boot Override This feature allows the user to enter a new setting to overwrite the original setting that was saved for the listed device. 4-30 Appendix A: BIOS POST Error Codes Appendix A BIOS Error Beep Codes During the POST (Power-On Self-Test) routines, which are performed at each system boot, errors may occur. Non-fatal errors are those which, in most cases, allow the system to continue to boot. Fatal errors will not allow the system to continue with bootup procedure. [. . . ]