Frequently Asked Questions - Supermicro SuperWorkstation SYS-551A-T User Manual

6.5 Frequently Asked Questions

Question: What type of memory does my motherboard support?
Answer: For Intel Xeon W-3400 series processors (112L), this motherboard supports up
to 1TB of RDIMM and 4TB of 3DS RDIMM with speeds of up to 4800 MT/s (1DPC) and
4400 MT/s (2DPC) in 16 ECC DDR5 (288-pin) SMD DIMM slots. 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?
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.
Note: The SPI BIOS chip used on this motherboard cannot be removed. Send your
motherboard back to our RMA Department at Supermicro for repair. For BIOS Recovery
instructions, please refer to the AMI BIOS Recovery Instructions posted at
supermicro.com/support/manuals/.
To update your BIOS under UEFI Shell
Note: We do not recommend that you update your BIOS if you are not experiencing a BIOS-
related problem. If you need to update your BIOS, please follow the steps below to properly
update your BIOS under UEFI Shell.
1. Download and save the BIOS update package to your computer.
2. Extract the files from the UEFI folder of the BIOS package to a USB flash drive.
Note: The USB flash drive doesn't have to be bootable; however, it has to be formatted
with the FAT/FAT32 file system.
3. Insert the USB flash drive into a USB port, boot to the Build-In UEFI Shell, and enter the
following commands to start the BIOS update:
Shell> fs0:
fs0:\> cd UEFI
fs0:\UEFI> flash.nsh BIOSname#.###
Chapter 7: Troubleshooting and Support
Section 3.4.
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