One of our Fujitsu RX200 S7 servers hangs on boot with the global error orange light flashing.

The IRMC systemlog shows a "Main 5V" error (0.02V instead of 5V). Does this mean we have to change the mainboard, the power distribution board, or the power supply?

A simple reconnect of all cables did not help.

The server failure reason is a faulty chip Volterra vt261bwf. It is under the SAS controller. This is a shiny surface chip about the size of 3mm x 3mm

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