Frequently Asked Questions - Supermicro C9Z490-PG User Manual

Super C9Z490-PG/-PGW User's Manual

3.3 Frequently Asked Questions

Question: What type of memory does my motherboard support?
Answer: The motherboard supports non ECC U-DIMM modules. To enhance memory
performance, do not mix memory modules of different speeds and sizes. Please follow all
memory installation instructions given on
Question: How do I update my BIOS under UEFI Shell?
Answer: It is recommended that you do not upgrade your BIOS if you are not experiencing
any problems with your system. Updated BIOS files are located on our website at
www.supermicro.com/ResourceApps/BIOS_IPMI_Intel.html. Please check our BIOS warning
message and the information on how to update your BIOS on our website. Select your
motherboard model and download the BIOS file to your computer. Also, check the current
BIOS revision to make sure that it is newer than your BIOS before downloading. To update
your BIOS under the UEFI shell, please unzip the BIOS file onto a USB device formatted
with the FAT/FAT32 file system. When the UEFI shell prompt appears, type fs# to change
the device directory path. Go to the directory that contains the BIOS package you extracted
earlier. Enter flash.nsh BIOSname#.### at the prompt to start the BIOS update process.
Reboot the system when you see the message that BIOS update has completed. Refer to
Appendix D UEFI BIOS Recovery and/or the readme file for more
Warning: Do not shut down or reset the system while updating the BIOS to prevent possible
system boot failure!
Note: The SPI BIOS chip used on this motherboard cannot be removed. Send your moth-
erboard back to our RMA Department at Supermicro for repair. For BIOS Recovery instruc-
tions, please refer to the AMI BIOS Recovery Instructions posted at
cro.com/support/manuals/.
Section 2.4 in Chapter 2.
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