How to boot an IBM x3550 server from a flash drive?

Question

Iron

I needed a piece of iron, got it from the IBM x3550 M2 stash.
There is no DVD in it, the discs are empty.
With China or HP, everything is clear to me, but here ...
Where should he poke to boot from a flash drive?
Looks-looks for PXE, then swears that there are no partitions on the disks. And like everything.

Answer 1

In BIOS, you need to set boot priority from a USB flash drive.