Boot Raspberry Pi / OpenPlotter 2 From USB SSD

[jamieFL]

I just ran a speed-test. The results are pretty amazing:

Raspberry Pi Diagnostics - version 0.4
Fri May 15 18:42:11 2020

Test : SD Card Speed Test
Run 1
prepare-file;0;0;101135;197
seq-write;0;0;101763;198
rand-4k-write;0;0;8551;2137
rand-4k-read;14860;3715;0;0
Sequential write speed 101763 KB/sec (target 10000) - PASS
Random write speed 2137 IOPS (target 500) - PASS
Random read speed 3715 IOPS (target 1500) - PASS
Test PASS