PROMOX not showing my complete RAM

[Ankit Jain]

I have supermicro server with 2 processes and 512 GB ram, I have installed proxmox and it showing on 157gb RAM although I have 512 RAM.
Check the slots all are fine reinserted RMA but showing on 157 GB of RAM

 

[dakralex]

Welcome to the Proxmox forum, Ankit Jain!

Do you mean in the WebGUI or another interface to look up the amount of available memory (e.g. free)?

The BIOS might dedicate some memory for video acceleration and the Linux kernel needs some memory to manage the rest of the memory (paging), but not the amount of RAM you're missing. Have you done a memtest (and it correctly enumerated the 512 GB of RAM)? Could you post the output of the boot log (dmesg > boot.log) and the DMI table decoder (dmidecode -t memory)?