Intel Core vPro i5-4590T
Intel Graphics 4600
https://github.com/corpnewt/GenSMBIOS
Type: iMac18,3
Serial: C02X3MY2J1GJ
Board Serial: C028291014NJ0PGUE
SmUUID: AE5B3EB6-9214-4F72-AECC-6FCA1703595C
Apple ROM: 70F087B95497
layout-id = 3
USB does not work.
I recommend the version macOS 10.14 Mojave
python macrecovery.py -b Mac-7BA5B2DFE22DDD8C -m 00000000000KXPG00 download
python macrecovery.py -b Mac-00BE6ED71E35EB86 -m 00000000000000000 download
python macrecovery.py -b Mac-E43C1C25D4880AD6 -m 00000000000000000 download
python macrecovery.py -b Mac-E43C1C25D4880AD6 -m 00000000000000000 download
com.apple.recovery.boot